*,*:before,*:after{box-sizing:border-box}:root{--bg-dark: #0f172a;--bg-panel: rgba(15, 23, 42, .56);--primary: #10b981;--primary-rgb: 16, 185, 129;--primary-glow: rgba(16, 185, 129, .5);--secondary: #3b82f6;--secondary-rgb: 59, 130, 246;--accent: #f59e0b;--text-main: #f1f5f9;--text-muted: #94a3b8;--glass-border: rgba(255, 255, 255, .1);--font-main: "Outfit", system-ui, sans-serif;--bg-gradient: linear-gradient(180deg, #0f172a 0%, #12243a 52%, #0b1627 100%);--tech-grid-major: rgba(var(--primary-rgb), .055);--tech-grid-minor: rgba(var(--secondary-rgb), .025);--panel-soft: rgba(255, 255, 255, .03);--panel-soft-hover: rgba(255, 255, 255, .06);--panel-solid: rgba(255, 255, 255, .05);--panel-strong: rgba(16, 185, 129, .08);--panel-top-border: rgba(255, 255, 255, .18);--panel-shadow: rgba(2, 6, 23, .35);--sakura-promo-bg: radial-gradient(circle at 14% 20%, rgba(16, 185, 129, .11), transparent 35%), linear-gradient(135deg, rgba(11, 34, 35, .96), rgba(18, 34, 55, .96));--sakura-promo-border: rgba(16, 185, 129, .25);--sakura-promo-border-hover: rgba(59, 130, 246, .5);--sakura-promo-shadow: 0 16px 36px rgba(2, 6, 23, .3);--sakura-promo-shadow-hover: 0 20px 42px rgba(2, 6, 23, .4);--sakura-promo-accent: #6ee7b7;--sakura-promo-cta-bg: rgba(16, 185, 129, .11);--sakura-promo-cta-border: rgba(16, 185, 129, .3);--board-frame-bg: linear-gradient(180deg, rgba(15, 23, 42, .88) 0%, rgba(6, 78, 59, .72) 100%);--board-frame-border: #0b4d39;--board-frame-highlight: #11684b;--board-grid-bg: #0b4d39;--board-grid-border: #0b4d39;--board-square-light: #1aa06d;--board-square-dark: #0f7d58;--board-cell-sheen: rgba(255, 255, 255, .14);--board-coord-color: #cbd5e1;--cell-last-move-overlay: rgba(251, 191, 36, .15);--cell-last-move-ring: rgba(251, 191, 36, .7);--cell-last-move-glow: rgba(251, 191, 36, .28);--move-indicator-fill: rgba(15, 23, 42, .28);--move-indicator-ring: rgba(255, 255, 255, .92);--move-indicator-glow: rgba(245, 158, 11, .35);--move-cell-hover: rgba(255, 255, 255, .06);--move-cell-outline: rgba(255, 255, 255, .26);--piece-black-grad: radial-gradient(circle at 30% 30%, #4b5563, #000000);--piece-black-border: #333333;--piece-white-grad: radial-gradient(circle at 30% 30%, #ffffff, #cbd5e1);--piece-white-border: #ffffff;--last-move-indicator: #fbbf24}[data-theme=arena]{--bg-dark: #090b0a;--bg-panel: rgba(14, 17, 15, .96);--primary: #b9824d;--primary-rgb: 185, 130, 77;--primary-glow: rgba(185, 130, 77, .2);--secondary: #82966b;--secondary-rgb: 130, 150, 107;--accent: #91a873;--text-main: #eee9df;--text-muted: #96968e;--glass-border: rgba(190, 177, 153, .18);--bg-gradient: radial-gradient(ellipse at 48% -20%, rgba(126, 112, 87, .12), transparent 52%), radial-gradient(circle at 88% 18%, rgba(104, 122, 94, .055), transparent 28%), linear-gradient(180deg, #101311 0%, #090b0a 54%, #060807 100%);--tech-grid-major: transparent;--tech-grid-minor: transparent;--panel-soft: rgba(16, 20, 18, .94);--panel-soft-hover: rgba(25, 29, 26, .97);--panel-solid: rgba(25, 29, 26, .96);--panel-strong: rgba(35, 40, 35, .82);--panel-top-border: rgba(218, 202, 174, .22);--panel-shadow: rgba(0, 0, 0, .62);--arena-shell-bg: linear-gradient(180deg, rgba(19, 23, 21, .98), rgba(10, 13, 12, .99));--arena-inset-bg: rgba(9, 12, 11, .78);--arena-card-bg: linear-gradient(180deg, rgba(21, 25, 23, .99), rgba(11, 14, 13, .99));--arena-review-bg: linear-gradient(180deg, rgba(19, 23, 21, .99), rgba(9, 12, 11, .99));--arena-border: rgba(190, 177, 153, .2);--arena-border-strong: rgba(218, 202, 174, .26);--arena-ui-text: #a6a49a;--arena-button-text: #e9e1d4;--arena-board-line: #21332d;--arena-board-outline: rgba(137, 157, 142, .42);--sakura-promo-bg: radial-gradient(circle at 14% 20%, rgba(185, 130, 77, .11), transparent 36%), linear-gradient(135deg, rgba(20, 23, 20, .98), rgba(14, 17, 15, .98));--sakura-promo-border: rgba(185, 130, 77, .24);--sakura-promo-border-hover: rgba(130, 150, 107, .48);--sakura-promo-shadow: 0 16px 36px rgba(0, 0, 0, .46);--sakura-promo-shadow-hover: 0 20px 44px rgba(0, 0, 0, .58);--sakura-promo-accent: #d2a36f;--sakura-promo-cta-bg: rgba(185, 130, 77, .1);--sakura-promo-cta-border: rgba(185, 130, 77, .3);--board-frame-bg: linear-gradient(145deg, #202622 0%, #111512 66%, #181d1a 100%);--board-frame-border: #2d3531;--board-frame-highlight: #4c5751;--board-grid-bg: #21332d;--board-grid-border: #21332d;--board-square-light: #3b554d;--board-square-dark: #354f47;--board-cell-sheen: rgba(255, 255, 255, .035);--board-coord-color: #c2b9aa;--cell-last-move-overlay: rgba(185, 130, 77, .11);--cell-last-move-ring: rgba(185, 130, 77, .82);--cell-last-move-glow: rgba(185, 130, 77, .2);--move-indicator-fill: rgba(151, 181, 112, .76);--move-indicator-ring: rgba(189, 209, 159, .9);--move-indicator-glow: rgba(130, 150, 107, .2);--move-cell-hover: rgba(130, 150, 107, .12);--move-cell-outline: rgba(185, 130, 77, .32);--piece-black-grad: radial-gradient(circle at 29% 20%, rgba(255, 255, 255, .095), transparent 42%), linear-gradient(145deg, #303237 0%, #1b1d22 52%, #111318 100%);--piece-black-border: #35383d;--piece-white-grad: radial-gradient(circle at 29% 20%, rgba(255, 255, 255, .34), transparent 43%), linear-gradient(145deg, #f2eee4 0%, #e3ddd1 54%, #c9c1b4 100%);--piece-white-border: #d8d0c3;--last-move-indicator: #b9824d}[data-theme=emerald]{--bg-dark: #0f172a;--bg-panel: rgba(15, 23, 42, .56);--primary: #10b981;--primary-rgb: 16, 185, 129;--primary-glow: rgba(16, 185, 129, .5);--secondary: #3b82f6;--secondary-rgb: 59, 130, 246;--accent: #f59e0b;--text-main: #f1f5f9;--text-muted: #94a3b8;--glass-border: rgba(255, 255, 255, .1);--bg-gradient: linear-gradient(180deg, #0f172a 0%, #12243a 52%, #0b1627 100%);--tech-grid-major: rgba(var(--primary-rgb), .055);--tech-grid-minor: rgba(var(--secondary-rgb), .025);--panel-soft: rgba(255, 255, 255, .03);--panel-soft-hover: rgba(255, 255, 255, .06);--panel-solid: rgba(255, 255, 255, .05);--panel-strong: rgba(16, 185, 129, .08);--panel-top-border: rgba(255, 255, 255, .18);--panel-shadow: rgba(2, 6, 23, .35);--sakura-promo-bg: radial-gradient(circle at 14% 20%, rgba(16, 185, 129, .11), transparent 35%), linear-gradient(135deg, rgba(11, 34, 35, .96), rgba(18, 34, 55, .96));--sakura-promo-border: rgba(16, 185, 129, .25);--sakura-promo-border-hover: rgba(59, 130, 246, .5);--sakura-promo-shadow: 0 16px 36px rgba(2, 6, 23, .3);--sakura-promo-shadow-hover: 0 20px 42px rgba(2, 6, 23, .4);--sakura-promo-accent: #6ee7b7;--sakura-promo-cta-bg: rgba(16, 185, 129, .11);--sakura-promo-cta-border: rgba(16, 185, 129, .3);--board-frame-bg: linear-gradient(180deg, rgba(15, 23, 42, .88) 0%, rgba(6, 78, 59, .72) 100%);--board-frame-border: #0b4d39;--board-frame-highlight: #11684b;--board-grid-bg: #0b4d39;--board-grid-border: #0b4d39;--board-square-light: #1aa06d;--board-square-dark: #0f7d58;--board-cell-sheen: rgba(255, 255, 255, .14);--board-coord-color: #cbd5e1;--cell-last-move-overlay: rgba(251, 191, 36, .15);--cell-last-move-ring: rgba(251, 191, 36, .7);--cell-last-move-glow: rgba(251, 191, 36, .28);--move-indicator-fill: rgba(15, 23, 42, .28);--move-indicator-ring: rgba(255, 255, 255, .92);--move-indicator-glow: rgba(245, 158, 11, .35);--move-cell-hover: rgba(255, 255, 255, .06);--move-cell-outline: rgba(255, 255, 255, .26);--piece-black-grad: radial-gradient(circle at 30% 30%, #4b5563, #000000);--piece-black-border: #333333;--piece-white-grad: radial-gradient(circle at 30% 30%, #ffffff, #cbd5e1);--piece-white-border: #ffffff;--last-move-indicator: #fbbf24}[data-theme=cyberpunk]{--bg-dark: #050510;--bg-panel: rgba(20, 0, 40, .64);--primary: #d946ef;--primary-rgb: 217, 70, 239;--primary-glow: rgba(217, 70, 239, .5);--secondary: #06b6d4;--secondary-rgb: 6, 182, 212;--accent: #22d3ee;--text-main: #f5eafe;--text-muted: #a78bfa;--glass-border: rgba(217, 70, 239, .26);--bg-gradient: linear-gradient(180deg, #080412 0%, #12071d 54%, #170425 100%);--tech-grid-major: rgba(var(--primary-rgb), .065);--tech-grid-minor: rgba(var(--secondary-rgb), .035);--panel-soft: rgba(217, 70, 239, .08);--panel-soft-hover: rgba(217, 70, 239, .12);--panel-solid: rgba(255, 255, 255, .06);--panel-strong: rgba(6, 182, 212, .12);--panel-top-border: rgba(255, 255, 255, .12);--panel-shadow: rgba(0, 0, 0, .45);--sakura-promo-bg: radial-gradient(circle at 14% 20%, rgba(217, 70, 239, .15), transparent 36%), linear-gradient(135deg, rgba(31, 8, 49, .96), rgba(8, 27, 42, .96));--sakura-promo-border: rgba(217, 70, 239, .32);--sakura-promo-border-hover: rgba(6, 182, 212, .58);--sakura-promo-shadow: 0 16px 36px rgba(0, 0, 0, .38);--sakura-promo-shadow-hover: 0 20px 44px rgba(217, 70, 239, .19);--sakura-promo-accent: #f0abfc;--sakura-promo-cta-bg: rgba(217, 70, 239, .12);--sakura-promo-cta-border: rgba(6, 182, 212, .38);--board-frame-bg: linear-gradient(180deg, rgba(37, 17, 63, .92) 0%, rgba(10, 3, 22, .9) 100%);--board-frame-border: #2b123a;--board-frame-highlight: #3b1850;--board-grid-bg: #2b123a;--board-grid-border: #2b123a;--board-square-light: #3a245c;--board-square-dark: #2d1b49;--board-cell-sheen: rgba(255, 255, 255, .06);--board-coord-color: #f5d0fe;--cell-last-move-overlay: rgba(6, 182, 212, .18);--cell-last-move-ring: rgba(6, 182, 212, .72);--cell-last-move-glow: rgba(6, 182, 212, .34);--move-indicator-fill: rgba(248, 250, 252, .26);--move-indicator-ring: rgba(245, 208, 254, .95);--move-indicator-glow: rgba(6, 182, 212, .35);--move-cell-hover: rgba(217, 70, 239, .14);--move-cell-outline: rgba(217, 70, 239, .38);--piece-black-grad: radial-gradient(circle at 30% 30%, #f0abfc, #4a044e);--piece-black-border: #d946ef;--piece-white-grad: radial-gradient(circle at 30% 30%, #a5f3fc, #0891b2);--piece-white-border: #cffafe;--last-move-indicator: #06b6d4}[data-theme=midnight]{--bg-dark: #020617;--bg-panel: rgba(15, 23, 42, .6);--primary: #38bdf8;--primary-rgb: 56, 189, 248;--primary-glow: rgba(56, 189, 248, .4);--secondary: #94a3b8;--secondary-rgb: 148, 163, 184;--accent: #38bdf8;--text-main: #f8fafc;--text-muted: #94a3b8;--glass-border: rgba(255, 255, 255, .14);--bg-gradient: linear-gradient(180deg, #1b273a 0%, #0d1727 52%, #020617 100%);--tech-grid-major: rgba(var(--primary-rgb), .05);--tech-grid-minor: rgba(var(--secondary-rgb), .025);--panel-soft: rgba(255, 255, 255, .035);--panel-soft-hover: rgba(56, 189, 248, .08);--panel-solid: rgba(255, 255, 255, .05);--panel-strong: rgba(56, 189, 248, .08);--panel-top-border: rgba(255, 255, 255, .18);--panel-shadow: rgba(2, 6, 23, .4);--sakura-promo-bg: radial-gradient(circle at 14% 20%, rgba(56, 189, 248, .12), transparent 36%), linear-gradient(135deg, rgba(18, 31, 49, .97), rgba(7, 15, 31, .97));--sakura-promo-border: rgba(56, 189, 248, .25);--sakura-promo-border-hover: rgba(148, 163, 184, .5);--sakura-promo-shadow: 0 16px 36px rgba(2, 6, 23, .4);--sakura-promo-shadow-hover: 0 20px 44px rgba(2, 6, 23, .52);--sakura-promo-accent: #7dd3fc;--sakura-promo-cta-bg: rgba(56, 189, 248, .1);--sakura-promo-cta-border: rgba(56, 189, 248, .28);--board-frame-bg: linear-gradient(180deg, rgba(15, 23, 42, .92) 0%, rgba(11, 18, 32, .88) 100%);--board-frame-border: #2a405a;--board-frame-highlight: #36506d;--board-grid-bg: #2a405a;--board-grid-border: #2a405a;--board-square-light: #39516f;--board-square-dark: #2f4560;--board-cell-sheen: rgba(255, 255, 255, .08);--board-coord-color: #cbd5e1;--cell-last-move-overlay: rgba(56, 189, 248, .12);--cell-last-move-ring: rgba(56, 189, 248, .68);--cell-last-move-glow: rgba(56, 189, 248, .22);--move-indicator-fill: rgba(248, 250, 252, .24);--move-indicator-ring: rgba(248, 250, 252, .92);--move-indicator-glow: rgba(56, 189, 248, .32);--move-cell-hover: rgba(56, 189, 248, .12);--move-cell-outline: rgba(148, 163, 184, .34);--piece-black-grad: radial-gradient(circle at 30% 30%, #4b5563, #000000);--piece-black-border: #333333;--piece-white-grad: radial-gradient(circle at 30% 30%, #ffffff, #cbd5e1);--piece-white-border: #ffffff;--last-move-indicator: #38bdf8}[data-theme=ivory]{--bg-dark: #eee9df;--bg-panel: rgba(250, 247, 240, .96);--primary: #98643b;--primary-rgb: 152, 100, 59;--primary-glow: rgba(152, 100, 59, .18);--secondary: #687b59;--secondary-rgb: 104, 123, 89;--accent: #6f865e;--text-main: #242824;--text-muted: #6e716a;--glass-border: rgba(55, 62, 57, .16);--bg-gradient: radial-gradient(ellipse at 46% -18%, rgba(255, 255, 255, .72), transparent 54%), linear-gradient(180deg, #f6f2ea 0%, #eee9df 56%, #e7e0d5 100%);--tech-grid-major: transparent;--tech-grid-minor: transparent;--panel-soft: rgba(250, 247, 240, .9);--panel-soft-hover: rgba(255, 253, 248, .98);--panel-solid: rgba(255, 253, 248, .96);--panel-strong: rgba(84, 94, 84, .075);--panel-top-border: rgba(255, 255, 255, .98);--panel-shadow: rgba(82, 72, 58, .16);--arena-shell-bg: linear-gradient(180deg, rgba(253, 250, 244, .98), rgba(243, 238, 229, .99));--arena-inset-bg: rgba(232, 226, 216, .72);--arena-card-bg: linear-gradient(180deg, rgba(255, 253, 248, .99), rgba(239, 234, 225, .99));--arena-review-bg: linear-gradient(180deg, rgba(255, 253, 248, .99), rgba(238, 233, 224, .99));--arena-border: rgba(55, 62, 57, .17);--arena-border-strong: rgba(104, 92, 73, .24);--arena-ui-text: #6d7069;--arena-button-text: #332d27;--arena-board-line: #60786e;--arena-board-outline: rgba(62, 84, 74, .42);--sakura-promo-bg: radial-gradient(circle at 14% 20%, rgba(187, 113, 132, .1), transparent 36%), linear-gradient(135deg, rgba(255, 253, 248, .97), rgba(235, 243, 235, .97));--sakura-promo-border: rgba(152, 100, 59, .22);--sakura-promo-border-hover: rgba(104, 123, 89, .42);--sakura-promo-shadow: 0 14px 32px rgba(94, 85, 67, .14);--sakura-promo-shadow-hover: 0 18px 38px rgba(94, 85, 67, .2);--sakura-promo-accent: #98643b;--sakura-promo-cta-bg: rgba(152, 100, 59, .08);--sakura-promo-cta-border: rgba(152, 100, 59, .24);--board-frame-bg: linear-gradient(145deg, #f7f3eb 0%, #ded7ca 66%, #ebe5da 100%);--board-frame-border: #9b9e94;--board-frame-highlight: #ffffff;--board-grid-bg: #60786e;--board-grid-border: #60786e;--board-square-light: #b3c5bd;--board-square-dark: #a7bbb2;--board-cell-sheen: rgba(255, 255, 255, .14);--board-coord-color: #504d47;--cell-last-move-overlay: rgba(152, 100, 59, .11);--cell-last-move-ring: rgba(152, 100, 59, .76);--cell-last-move-glow: rgba(152, 100, 59, .18);--move-indicator-fill: rgba(87, 110, 69, .72);--move-indicator-ring: rgba(70, 91, 56, .82);--move-indicator-glow: rgba(104, 123, 89, .2);--move-cell-hover: rgba(255, 255, 255, .26);--move-cell-outline: rgba(15, 23, 42, .16);--piece-black-grad: radial-gradient(circle at 29% 20%, rgba(255, 255, 255, .095), transparent 42%), linear-gradient(145deg, #303237 0%, #1b1d22 52%, #111318 100%);--piece-black-border: #35383d;--piece-white-grad: radial-gradient(circle at 29% 20%, rgba(255, 255, 255, .34), transparent 43%), linear-gradient(145deg, #f2eee4 0%, #e3ddd1 54%, #c9c1b4 100%);--piece-white-border: #d8d0c3;--last-move-indicator: #98643b}body{margin:0;font-family:var(--font-main, "Outfit", system-ui, sans-serif);background-color:var(--bg-dark);background-image:var(--bg-gradient);background-size:cover;background-position:center top;background-attachment:fixed;color:var(--text-main);min-height:100vh;-webkit-font-smoothing:antialiased;transition:background-color .25s ease,background-image .25s ease,color .25s ease}#root{display:flex;flex-direction:column;align-items:center;width:100%;min-height:100vh}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-glow{0%{box-shadow:0 0 10px var(--primary-glow)}50%{box-shadow:0 0 20px var(--primary-glow),0 0 40px var(--primary-glow)}to{box-shadow:0 0 10px var(--primary-glow)}}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-5px)}to{transform:translateY(0)}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--glass-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.particles-container{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;overflow:hidden;z-index:1000}.particle{position:absolute;left:var(--x);top:var(--y);width:var(--size);height:var(--size);background:var(--color);animation:particleMove 3s ease-out forwards;animation-delay:var(--delay);opacity:0}.particle-circle{border-radius:50%}.particle-square{border-radius:2px}.particle-triangle{width:0;height:0;background:transparent;border-left:calc(var(--size) / 2) solid transparent;border-right:calc(var(--size) / 2) solid transparent;border-bottom:var(--size) solid var(--color)}.particle-star{background:transparent;clip-path:polygon(50% 0%,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);background:var(--color)}.particle-win{animation:particleWin 3s cubic-bezier(.25,.46,.45,.94) forwards;animation-delay:var(--delay)}@keyframes particleWin{0%{opacity:1;transform:translateY(0) translate(0) rotate(0) scale(0)}10%{opacity:1;transform:translateY(calc(var(--speedY) * .1)) translate(calc(var(--speedX) * .1)) rotate(calc(var(--rotationSpeed) * .1)) scale(1)}50%{opacity:1}to{opacity:0;transform:translateY(var(--speedY)) translate(var(--speedX)) rotate(var(--rotationSpeed)) scale(.3)}}.particle-lose{animation:particleLose 3.5s ease-in forwards;animation-delay:var(--delay)}@keyframes particleLose{0%{opacity:.7;transform:translateY(0) translate(0) rotate(0)}to{opacity:0;transform:translateY(calc(var(--speedY) * 150px)) translate(calc(var(--speedX) * 50px)) rotate(var(--rotationSpeed))}}.particle-tie{animation:particleTie 3s ease-in-out forwards;animation-delay:var(--delay)}@keyframes particleTie{0%{opacity:0;transform:translateY(0) translate(0) rotate(0) scale(0)}20%{opacity:1;transform:translateY(calc(var(--speedY) * -20px)) translate(calc(var(--speedX) * 10px)) rotate(calc(var(--rotationSpeed) * .2)) scale(1)}80%{opacity:.8}to{opacity:0;transform:translateY(calc(var(--speedY) * 50px)) translate(calc(var(--speedX) * 30px)) rotate(var(--rotationSpeed)) scale(.5)}}.particle-win.particle-star{box-shadow:0 0 10px var(--color),0 0 20px var(--color)}.particle-win.particle-circle{box-shadow:0 0 5px var(--color)}.app-container{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:2rem;max-width:1800px;margin:0 auto;gap:1.5rem;width:100%;box-sizing:border-box}header{text-align:center;margin-bottom:.5rem}header h1{font-size:3rem;margin:0;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 20px rgba(var(--primary-rgb),.4));font-weight:800;letter-spacing:-2px}header h2{font-size:1rem;color:var(--text-muted);font-weight:400;margin-top:.5rem;letter-spacing:2px;text-transform:uppercase}.games-hub-link{display:inline-flex;align-items:center;justify-content:center;margin-top:1rem;padding:.65rem 1rem;border-radius:999px;border:1px solid rgba(var(--primary-rgb),.28);background:rgba(var(--primary-rgb),.08);color:var(--text-main);font-size:.9rem;font-weight:600;text-decoration:none;transition:all .25s ease}.games-hub-link:hover{transform:translateY(-2px);border-color:rgba(var(--secondary-rgb),.5);background:rgba(var(--secondary-rgb),.12);box-shadow:0 10px 24px rgba(var(--primary-rgb),.18)}.games-hub-link-footer{margin-top:.85rem}.sakura-promo{width:min(760px,100%);display:grid;grid-template-columns:184px minmax(0,1fr) auto;align-items:center;gap:1rem;padding:.55rem;box-sizing:border-box;overflow:hidden;border:1px solid var(--sakura-promo-border);border-radius:18px;background:var(--sakura-promo-bg);box-shadow:var(--sakura-promo-shadow);color:var(--text-main);text-decoration:none;transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease}.sakura-promo:hover{transform:translateY(-2px);border-color:var(--sakura-promo-border-hover);box-shadow:var(--sakura-promo-shadow-hover)}.sakura-promo-media{aspect-ratio:16 / 9;overflow:hidden;border:1px solid var(--glass-border);border-radius:13px;background:#071713}.sakura-promo-media img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .35s ease}.sakura-promo:hover .sakura-promo-media img{transform:scale(1.035)}.sakura-promo-copy{min-width:0;display:flex;flex-direction:column;gap:.18rem}.sakura-promo-eyebrow{color:var(--sakura-promo-accent);font-size:.66rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase}.sakura-promo-copy strong{color:var(--text-main);font-size:1.18rem;line-height:1.2}.sakura-promo-copy>span:last-child{color:var(--text-muted);font-size:.8rem;line-height:1.35}.sakura-promo-cta{display:inline-flex;align-items:center;gap:.45rem;margin-right:.65rem;padding:.62rem .82rem;border:1px solid var(--sakura-promo-cta-border);border-radius:999px;background:var(--sakura-promo-cta-bg);color:var(--sakura-promo-accent);font-size:.78rem;font-weight:700;white-space:nowrap}.game-hud{width:min(760px,100%);height:226px;flex:0 0 226px;display:grid;grid-template-rows:40px 96px 72px;align-items:center;justify-items:center;gap:9px;contain:layout;overflow:visible}.game-hud .status-bar{margin:0}.game-hud .status-bar{height:40px;min-height:40px}.bot-portrait-row{width:100%;height:96px;min-height:96px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:.75rem;box-sizing:border-box}.bot-portrait-card{min-width:0;display:grid;grid-template-columns:58px 64px minmax(0,1fr);align-items:center;gap:.65rem;padding:.55rem .7rem;border:1px solid var(--glass-border);border-radius:12px;background:var(--panel-soft);box-shadow:0 10px 24px var(--panel-shadow);box-sizing:border-box;overflow:hidden;position:relative;isolation:isolate;transition:border-color .25s ease,background .25s ease,box-shadow .25s ease}.bot-portrait-card>*{position:relative;z-index:1}.bot-portrait-card:before,.bot-portrait-card:after{content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;pointer-events:none}.bot-portrait-card:before{padding:1px;background:linear-gradient(115deg,rgba(var(--primary-rgb),.06),rgba(var(--primary-rgb),.68),rgba(var(--secondary-rgb),.48),rgba(var(--primary-rgb),.06));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude}.bot-portrait-card:after{background:linear-gradient(100deg,transparent 18%,rgba(var(--secondary-rgb),.1) 42%,rgba(var(--primary-rgb),.18) 50%,rgba(var(--secondary-rgb),.1) 58%,transparent 82%);transform:translate(-115%)}.bot-portrait-card.white{grid-template-columns:minmax(0,1fr) 64px 58px;text-align:right}.bot-portrait-card.no-portrait{grid-template-columns:64px minmax(0,1fr)}.bot-portrait-card.white.no-portrait{grid-template-columns:minmax(0,1fr) 64px}.bot-portrait-card.white .bot-portrait-image-button{order:3}.bot-portrait-card.white .bot-portrait-score{order:2}.bot-portrait-card.white .bot-portrait-copy{order:1;align-items:flex-end}.bot-portrait-card.active{border-color:rgba(var(--primary-rgb),.9);background:rgba(var(--primary-rgb),.08);box-shadow:0 12px 28px rgba(var(--primary-rgb),.16),inset 0 0 22px rgba(var(--primary-rgb),.08)}.bot-portrait-card.active:before{opacity:1;animation:active-edge-pulse 2.8s ease-in-out infinite}.bot-portrait-card.active:after{opacity:1;animation:active-edge-scan 4.5s ease-in-out infinite}.bot-portrait-image-button{width:58px;height:58px;display:flex;align-items:center;justify-content:center;padding:0;border:0;border-radius:10px;background:transparent;cursor:zoom-in}.bot-portrait-image-button:focus-visible{outline:2px solid var(--primary);outline-offset:3px}.bot-portrait-image{width:58px;height:58px;border-radius:10px;border:1px solid rgba(var(--primary-rgb),.28);object-fit:cover;object-position:center;background:var(--panel-strong)}.bot-portrait-copy{min-width:0;display:flex;flex-direction:column;gap:.25rem}.bot-portrait-score{min-width:0;display:flex;align-items:center;justify-content:center}.bot-portrait-score strong{color:var(--text-main);font-size:2rem;font-weight:800;line-height:1}.bot-portrait-copy span{color:var(--primary);font-size:.62rem;font-weight:700;letter-spacing:.08em;line-height:1;text-transform:uppercase}.bot-portrait-copy strong{color:var(--text-main);font-size:.88rem;line-height:1.12;overflow-wrap:anywhere}.portrait-lightbox-backdrop{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;padding:1rem;background:#000000b8;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.portrait-lightbox{position:relative;width:min(460px,calc(100vw - 2rem));padding:1rem;border:1px solid rgba(var(--primary-rgb),.42);border-radius:16px;background:var(--panel-soft);box-shadow:0 28px 80px #00000073}.portrait-lightbox-close{position:absolute;top:.75rem;right:.75rem;z-index:1;width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(var(--primary-rgb),.35);border-radius:999px;background:#00000094;color:var(--text-main);font-weight:800;cursor:pointer}.portrait-lightbox-close:focus-visible{outline:2px solid var(--primary);outline-offset:3px}.portrait-lightbox-image{display:block;width:100%;aspect-ratio:1;border-radius:12px;border:1px solid rgba(var(--primary-rgb),.28);object-fit:cover;object-position:center;background:var(--panel-strong)}.portrait-lightbox-caption{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:.8rem}.portrait-lightbox-caption span{color:var(--primary);font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.portrait-lightbox-caption strong{color:var(--text-main);font-size:1rem;line-height:1.15;text-align:right;overflow-wrap:anywhere}@keyframes active-edge-pulse{0%,to{filter:brightness(.92);opacity:.68}50%{filter:brightness(1.22);opacity:1}}@keyframes active-edge-scan{0%,55%{transform:translate(-115%);opacity:0}70%{opacity:.75}to{transform:translate(115%);opacity:0}}@media(prefers-reduced-motion:reduce){.bot-portrait-card.active:before,.bot-portrait-card.active:after{animation:none}}.game-hud-actions{width:100%;height:72px;min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem 1rem;border-radius:12px;border:1px solid var(--glass-border);background:var(--panel-soft);box-shadow:0 10px 24px var(--panel-shadow);box-sizing:border-box}.game-hud-summary{min-width:0;max-width:100%;flex:1 1 auto;display:flex;flex-direction:column;gap:.2rem;overflow:hidden}.game-hud-summary strong{color:var(--text-main);font-size:.95rem}.game-hud-summary span{color:var(--text-muted);font-size:.78rem;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.game-hud-buttons{flex:0 0 auto;display:flex;align-items:center;justify-content:flex-end;gap:.65rem;flex-wrap:nowrap;min-width:max-content}.game-hud-buttons .btn,.game-hud-buttons .btn-secondary{white-space:nowrap}.game-hud-primary{min-width:150px;padding:.75rem 1.1rem;font-size:.78rem}.settings-open-button{min-width:104px;min-height:42px}.settings-backdrop{position:fixed;inset:0;z-index:70;border:0;background:#00000059;cursor:default}.settings-drawer{position:fixed;top:0;right:0;z-index:80;width:min(440px,calc(100vw - 1rem));height:100dvh;display:flex;flex-direction:column;background:var(--panel-soft);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-left:1px solid var(--glass-border);box-shadow:-24px 0 48px var(--panel-shadow);transform:translate(110%);transition:transform .22s ease;pointer-events:none}.settings-drawer.is-open{transform:translate(0);pointer-events:auto}.settings-drawer-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;padding:1.1rem 1.2rem;border-bottom:1px solid var(--glass-border)}.settings-drawer-header strong{display:block;color:var(--text-main);font-size:1.05rem}.settings-drawer-header span{display:block;margin-top:.25rem;color:var(--text-muted);font-size:.78rem;line-height:1.35}.settings-drawer-close{width:38px;height:38px;flex-shrink:0;border-radius:10px;border:1px solid var(--glass-border);background:var(--panel-solid);color:var(--text-main);font-weight:800;cursor:pointer}.settings-drawer-body{flex:1;min-height:0;overflow-y:auto;padding:1.15rem;overscroll-behavior:contain}.settings-drawer-footer{order:3;flex:0 0 auto;padding:.85rem 1.15rem max(.85rem,env(safe-area-inset-bottom));border-top:1px solid var(--glass-border);background:var(--panel-soft);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px)}.settings-section{display:flex;flex-direction:column;gap:.75rem}.settings-section .stats-toggle,.settings-section .stats-panel{max-width:none}.settings-button-group{display:flex;align-items:center;justify-content:flex-end;gap:.65rem;flex-wrap:wrap}.stats-toggle{display:flex;align-items:center;justify-content:space-between;gap:1rem;background:var(--panel-soft);border:1px solid var(--glass-border);padding:.75rem 1.5rem;border-radius:50px;cursor:pointer;transition:all .3s;width:100%;max-width:400px}.stats-toggle:hover{background:var(--panel-soft-hover);border-color:var(--primary)}.stats-summary{color:var(--text-muted);font-size:.9rem}.stats-panel{background:var(--panel-soft);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:1rem;padding:1.5rem;width:100%;max-width:500px;animation:slideDown .3s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.stat-item{text-align:center;padding:1rem;background:var(--panel-strong);border-radius:12px;border:1px solid var(--glass-border)}.stat-item.full-width{grid-column:span 3}.stat-value{font-size:2rem;font-weight:800;color:var(--text-main)}.stat-value.win{color:#22c55e}.stat-value.loss{color:#ef4444}.stat-value.tie{color:#f59e0b}.stat-value.streak{color:#f97316}.stat-value.highlight{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.stat-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-top:.5rem}.btn-reset-stats{margin-top:1rem;width:100%;background:transparent;border:1px solid rgba(239,68,68,.3);color:#ef4444;padding:.5rem;border-radius:8px;cursor:pointer;font-size:.8rem;transition:all .3s}.btn-reset-stats:hover{background:#ef44441a;border-color:#ef4444}.scoreboard{display:flex;align-items:stretch;justify-content:center;gap:.5rem;width:min(350px,100%);max-width:350px;justify-self:center;margin-bottom:.25rem;box-sizing:border-box}.score-card{flex:1;background:var(--bg-panel);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:.25rem .5rem;border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;transition:border-color .3s ease,background .3s ease,box-shadow .3s ease;overflow:hidden;height:60px;min-height:60px;box-sizing:border-box}.score-card:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.05) 0%,transparent 100%);pointer-events:none}.score-card.active{border-color:var(--primary);background:rgba(var(--primary-rgb),.05)}.score-card .player-name{font-size:.6rem;text-transform:uppercase;letter-spacing:.5px;margin-bottom:0;color:var(--text-muted)}.score-card .score{font-size:1.5rem;font-weight:700;line-height:1.1;margin:0}.ai-level-section{flex-direction:column!important;align-items:flex-start!important;gap:.75rem}.ai-level-section .ai-level-dropdown{width:100%}.ai-tuning-section{flex-direction:column!important;align-items:flex-start!important;gap:.6rem}.ai-tuning-control{display:grid;grid-template-columns:minmax(0,1fr) 76px;gap:.75rem;align-items:center;width:100%}.ai-tuning-control input[type=range]{width:100%;accent-color:var(--primary)}.ai-tuning-number{width:100%;box-sizing:border-box;background:var(--panel-strong);border:1px solid var(--glass-border);color:var(--text-main);padding:.55rem .65rem;border-radius:8px;font-size:.88rem;font-variant-numeric:tabular-nums;outline:none}.ai-tuning-number:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(var(--primary-rgb),.15)}.ai-level-selector{display:flex;gap:.5rem;flex-wrap:wrap;width:100%}.ai-level-btn{flex:1;min-width:70px;display:flex;flex-direction:column;align-items:center;gap:.25rem;padding:.75rem .5rem;background:var(--panel-strong);border:2px solid transparent;border-radius:12px;cursor:pointer;transition:all .3s;position:relative;overflow:hidden}.ai-level-btn:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,var(--level-color, transparent) 0%,transparent 100%);opacity:0;transition:opacity .3s}.ai-level-btn:hover:before{opacity:.1}.ai-level-btn.selected{border-color:var(--level-color);box-shadow:0 0 20px color-mix(in srgb,var(--level-color) 30%,transparent)}.ai-level-btn.selected:before{opacity:.15}.level-emoji{font-size:1.5rem;position:relative;z-index:1}.level-name{font-size:.65rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);position:relative;z-index:1}.ai-level-btn.selected .level-name{color:var(--text-main)}.ai-info{display:flex;align-items:center;gap:1rem;background:var(--panel-soft);border:1px solid var(--glass-border);padding:1rem 1.5rem;border-radius:1rem;width:100%;max-width:400px}.ai-info-emoji{font-size:2rem}.ai-info-text{display:flex;flex-direction:column;gap:.25rem}.ai-info-desc{font-size:.75rem;color:var(--text-muted);display:block}.board-outer-frame{position:relative;background:var(--board-frame-bg);border:1px solid var(--board-frame-border);border-top:1px solid var(--board-frame-highlight);border-left:1px solid var(--board-frame-highlight);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-radius:16px;padding:20px 56px 44px 20px;box-shadow:0 20px 50px var(--panel-shadow),inset 0 0 0 1px #ffffff0d;display:flex;flex-direction:column;box-sizing:border-box;aspect-ratio:auto;width:100%;max-width:760px;margin:.5rem 0}.board-outer-frame.has-footer{padding-bottom:24px}.coords-top{display:flex;padding-left:48px;padding-right:12px;height:24px;align-items:center;margin-bottom:0}.board-middle-container{display:flex;flex:1;overflow:hidden;position:relative}.board-footer{margin-top:1rem}.board-review-panel{display:flex;flex-direction:column;gap:.9rem;padding:.9rem 1rem;border-radius:14px;background:var(--panel-strong);border:1px solid var(--glass-border)}.board-review-top{display:flex;align-items:center;justify-content:space-between;gap:1rem}.board-review-meta{display:flex;flex-direction:column;gap:.2rem;min-width:0}.board-review-meta strong{color:var(--text-main);font-size:.95rem}.board-review-meta span{color:var(--text-muted);font-size:.82rem;line-height:1.25}.board-review-actions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.55rem;flex-shrink:0}.board-review-btn{min-width:62px;padding:.5rem .7rem;font-weight:600;font-size:.82rem;letter-spacing:.02em;text-transform:none;color:#fff;background:var(--primary);border:none;border-radius:10px;cursor:pointer;box-shadow:0 3px 10px rgba(var(--primary-rgb),.22);transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease}.board-review-btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(var(--primary-rgb),.3)}.board-review-btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}.board-review-btn:disabled:hover{background:var(--primary);color:#fff;transform:none;box-shadow:none}.board-review-analysis{display:flex;flex-direction:column;gap:.7rem}.board-review-analysis-header{display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap}.board-review-analysis-title{display:flex;flex-direction:column;gap:.18rem}.board-review-analysis-title strong{font-size:.88rem;color:var(--text-main)}.board-review-analysis-title span{font-size:.76rem;color:var(--text-muted)}.board-review-analysis-scores{display:flex;align-items:center;gap:.55rem;flex-wrap:wrap}.analysis-score{display:inline-flex;align-items:center;justify-content:center;min-width:88px;padding:.32rem .65rem;border-radius:999px;font-size:.75rem;font-weight:700;letter-spacing:.02em;border:1px solid var(--glass-border)}.analysis-score-black{background:#0f172ac7;color:#f8fafc}.analysis-score-white{background:#f8fafceb;color:#111827}.edax-hints-panel{width:100%;max-width:560px;display:flex;flex-direction:column;gap:.5rem;padding:.7rem .85rem;border-radius:.9rem;background:var(--panel-soft);border:1px solid var(--glass-border);box-shadow:0 12px 28px var(--panel-shadow)}.edax-hints-panel-desktop{position:relative;z-index:5;will-change:transform}.edax-hints-header{display:flex;align-items:center;justify-content:space-between;gap:.75rem}.edax-hints-header-draggable{cursor:grab;-webkit-user-select:none;user-select:none}.edax-hints-header-draggable:active{cursor:grabbing}.edax-hints-title{display:flex;flex-direction:column;gap:.1rem}.edax-hints-title strong{color:var(--text-main);font-size:.82rem;line-height:1.15}.edax-hints-title span{color:var(--text-muted);font-size:.68rem;line-height:1.25}.edax-hints-trigger{min-width:110px;flex-shrink:0;padding:.48rem .72rem;font-size:.72rem}.edax-hints-status{min-height:0;color:var(--text-muted);font-size:.71rem;line-height:1.3}.edax-hints-status.error{color:#fecaca}.edax-hints-inline-list{display:flex;flex-wrap:wrap;gap:.38rem;align-items:center}.edax-hint-inline{display:flex;align-items:baseline;gap:.24rem;padding:.28rem .45rem;border-radius:999px;background:var(--panel-strong);border:1px solid rgba(var(--primary-rgb),.18)}.edax-hint-inline strong{color:var(--text-main);font-size:.69rem;font-weight:700}.edax-hint-inline span{color:var(--text-main);font-size:.72rem;font-weight:600;letter-spacing:.01em}.edax-hint-inline em{color:var(--primary);font-size:.69rem;font-weight:600;font-style:normal}.edax-hint-inline.placeholder{border-style:dashed;border-color:var(--glass-border);background:var(--panel-soft)}.edax-hint-inline.placeholder strong,.edax-hint-inline.placeholder span,.edax-hint-inline.placeholder em{color:var(--text-muted)}.board-review-graph{position:relative;border-radius:12px;padding:.35rem;background:var(--panel-soft);border:1px solid var(--glass-border)}[data-theme=ivory] .board-review-graph{background:linear-gradient(180deg,#3f342d,#2d241f);border-color:#6a5647}[data-theme=ivory] .board-review-graph-axis{stroke:#fff8f06b}[data-theme=ivory] .board-review-graph-guide{stroke:#fff8f033}[data-theme=ivory] .board-review-graph-label{fill:#fffaf5e0}.board-review-graph-svg{display:block;width:100%;height:auto}.board-review-graph-axis{stroke:#ffffff42;stroke-width:1.4;stroke-dasharray:4 4}.board-review-graph-guide{stroke:#ffffff1f;stroke-width:1;stroke-dasharray:3 6}.board-review-graph-line{fill:none;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}.board-review-graph-line.black{stroke:rgba(var(--primary-rgb),.95)}.board-review-graph-line.white{stroke:#ffffffeb}.board-review-graph-marker{stroke:rgba(var(--primary-rgb),.92);stroke-width:2}.board-review-graph-point{stroke-width:2}.board-review-graph-point.black{fill:#111827;stroke:#ffffffe0}.board-review-graph-point.white{fill:#fffffff5;stroke:#111827}.board-review-graph-hitbox{fill:transparent;cursor:pointer}.board-review-graph-dot{fill:rgba(var(--primary-rgb),.46);transition:fill .2s ease,r .2s ease;pointer-events:none}.board-review-graph-dot.active{fill:rgba(var(--primary-rgb),.95)}.board-review-graph-label{fill:var(--text-muted);font-size:12px;font-weight:600}.coords-left{width:32px;display:flex;flex-direction:column;justify-content:space-around;align-items:center;margin-right:4px;padding-top:12px;padding-bottom:12px}.coord-label{flex:1;display:flex;align-items:center;justify-content:center;color:var(--board-coord-color);font-weight:700;font-size:14px;font-family:var(--font-main, "Outfit", system-ui, sans-serif)}.board-grid{flex:1;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);gap:0;background-color:var(--board-grid-bg);border:12px solid var(--board-grid-border);border-radius:0;box-shadow:0 10px 25px var(--panel-shadow);position:relative;aspect-ratio:1;width:100%}.cell{border-radius:0;position:relative;cursor:default;overflow:hidden;transition:transform .16s ease,box-shadow .16s ease;display:flex;align-items:center;justify-content:center;box-shadow:inset 1px 0 0 var(--board-grid-border),inset 0 1px 0 var(--board-grid-border)}.cell:nth-child(8n){box-shadow:inset 1px 0 0 var(--board-grid-border),inset 0 1px 0 var(--board-grid-border),inset -1px 0 0 var(--board-grid-border)}.cell:nth-child(n+57){box-shadow:inset 1px 0 0 var(--board-grid-border),inset 0 1px 0 var(--board-grid-border),inset 0 -1px 0 var(--board-grid-border)}.cell:nth-child(8n):nth-child(n+57){box-shadow:inset 1px 0 0 var(--board-grid-border),inset 0 1px 0 var(--board-grid-border),inset -1px 0 0 var(--board-grid-border),inset 0 -1px 0 var(--board-grid-border)}.cell.square-light{background:var(--board-square-light)}.cell.square-dark{background:var(--board-square-dark)}.cell:before,.cell:after{content:"";position:absolute}.cell:before{inset:0;border-radius:inherit;z-index:1}.cell.last-move:before{background:var(--cell-last-move-overlay);box-shadow:inset 0 0 0 2px var(--cell-last-move-ring),inset 0 0 18px var(--cell-last-move-glow)}.cell.valid-move:after{top:50%;left:50%;transform:translate(-50%,-50%);width:18%;height:18%;background:var(--move-indicator-fill);border:none;border-radius:50%;box-shadow:none;opacity:1;z-index:2}.cell.valid-move.has-move-rating:after{display:none}.cell.valid-move{cursor:pointer}.move-rating-badge{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3;min-width:2.25rem;padding:.18rem .38rem;border-radius:999px;background:#0f172ad6;border:1px solid rgba(255,255,255,.18);color:#f8fafc;font-size:.72rem;line-height:1;font-weight:800;font-variant-numeric:tabular-nums;text-align:center;box-shadow:0 6px 18px #00000047;pointer-events:none}.move-rating-badge.best{background:#f59e0beb;border-color:#fff4d6b8;color:#1f2937}.piece.new-piece{animation:popIn .3s cubic-bezier(.34,1.56,.64,1)}@keyframes popIn{0%{transform:scale(0) rotateY(180deg)}50%{transform:scale(1.1) rotateY(90deg)}to{transform:scale(1) rotateY(0)}}.piece.flipping{animation:flip3D .5s cubic-bezier(.4,0,.2,1)}@keyframes flip3D{0%{transform:rotateY(0) scale(1)}25%{transform:rotateY(90deg) scale(1.1);box-shadow:0 8px 15px #00000080,inset 0 -4px 4px #00000080,inset 0 2px 4px #fff6}50%{transform:rotateY(180deg) scale(1.1)}75%{transform:rotateY(270deg) scale(1.05)}to{transform:rotateY(360deg) scale(1)}}.piece-container{width:100%;height:100%;perspective:600px;display:flex;align-items:center;justify-content:center;padding:0;margin:0;position:relative;z-index:2}.piece{width:82%;height:82%;position:relative;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1);border:none;background:none;box-shadow:none}.piece-face{position:absolute;width:100%;height:100%;border-radius:50%;backface-visibility:hidden;box-shadow:0 4px 6px #0000004d,inset 0 -2px 4px #0006,inset 0 2px 4px #ffffff4d}.piece-face.front{background:var(--piece-black-grad);transform:rotateY(0)}.piece-face.back{background:var(--piece-white-grad);transform:rotateY(180deg)}.piece.black{transform:rotateY(0)}.piece.white{transform:rotateY(180deg)}.last-move-indicator{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:20%;height:20%;background:var(--last-move-indicator);border-radius:50%;box-shadow:0 0 10px #fbbf24cc;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:translate(-50%,-50%) scale(1)}50%{opacity:.6;transform:translate(-50%,-50%) scale(.8)}}.controls{background:var(--panel-soft);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-top:1px solid var(--panel-top-border);padding:1.5rem;border-radius:1rem;display:flex;flex-direction:column;gap:1.2rem;width:100%;max-width:560px;box-shadow:0 10px 30px var(--panel-shadow)}.controls-desktop-panel{position:relative;z-index:5;will-change:transform;width:100%;max-width:560px;overflow:hidden;cursor:grab}.controls-desktop-panel:active{cursor:grabbing}.desktop-ui-frame{display:flex;flex-direction:column;gap:1rem;order:1}.desktop-ui-frame-stats{display:flex;flex-direction:column;gap:.85rem}.desktop-ui-frame .status-bar,.desktop-ui-frame .scoreboard,.desktop-ui-frame .stats-toggle,.desktop-ui-frame .stats-panel,.desktop-ui-frame .desktop-game-actions{width:100%;max-width:none;margin:0}.desktop-ui-frame .status-bar{justify-content:center}.controls-desktop-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;order:0;margin:-1.5rem -1.5rem 0;padding:1rem 1.5rem .75rem;background:var(--panel-soft);border-bottom:1px solid var(--glass-border)}.controls-desktop-head-draggable{cursor:grab;-webkit-user-select:none;user-select:none}.controls-desktop-head-draggable .controls-desktop-meta,.controls-desktop-head-draggable .controls-desktop-meta *{cursor:grab}.controls-desktop-head-draggable:active,.controls-desktop-head-draggable:active .controls-desktop-meta,.controls-desktop-head-draggable:active .controls-desktop-meta *{cursor:grabbing}.controls-desktop-meta{display:flex;flex-direction:column;gap:.2rem;min-width:0}.controls-desktop-meta strong{color:var(--text-main);font-size:.98rem}.controls-desktop-meta span{color:var(--text-muted);font-size:.78rem;line-height:1.3;word-break:break-word}.controls-desktop-toggle{flex-shrink:0;min-width:92px;padding:.55rem .85rem;border-radius:10px;border:1px solid var(--glass-border);background:var(--panel-solid);color:var(--text-main);font-size:.82rem;font-weight:600;cursor:pointer;transition:transform .2s ease,border-color .2s ease,background .2s ease}.controls-desktop-toggle:hover{transform:translateY(-1px);border-color:var(--primary);background:var(--panel-soft-hover)}.controls-body{display:flex;flex-direction:column;gap:1.2rem;order:2}.controls-mobile-sheet{left:.75rem;right:.75rem;bottom:.75rem;z-index:60;width:auto;max-width:none;max-height:calc(100vh - 1.5rem);margin:0;overflow-y:auto;overscroll-behavior:contain;border-radius:1.15rem;box-shadow:0 24px 48px var(--panel-shadow)}.controls-mobile-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;padding-bottom:.25rem;border-bottom:1px solid var(--glass-border)}.controls-mobile-header strong{display:block;color:var(--text-main);font-size:1rem}.controls-mobile-header span{display:block;margin-top:.2rem;color:var(--text-muted);font-size:.8rem}.controls-mobile-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--glass-border);background:var(--panel-solid);color:var(--text-main);font-size:1.5rem;line-height:1;cursor:pointer;flex-shrink:0}.control-row{display:flex;justify-content:space-between;align-items:center}.control-stack{display:flex;flex-direction:column;gap:.45rem}.ai-vs-ai-start-button{width:100%}.ai-vs-ai-bot-card{gap:.7rem;padding:.8rem}.ai-vs-ai-bot-heading{display:flex;flex-direction:column;gap:.25rem}.ai-vs-ai-bot-heading strong{color:var(--text-main)}.ai-vs-ai-bot-heading span{color:var(--text-muted);font-size:.82rem;line-height:1.35}.ai-vs-ai-bot-card .ai-level-section{gap:.45rem}.ai-vs-ai-advanced-settings{padding-top:.65rem;border-top:1px solid var(--glass-border)}.ai-vs-ai-advanced-settings summary{display:flex;align-items:center;justify-content:space-between;gap:.75rem;color:var(--text-main);font-size:.84rem;font-weight:700;cursor:pointer;list-style:none;-webkit-user-select:none;user-select:none}.ai-vs-ai-advanced-settings summary::-webkit-details-marker{display:none}.ai-vs-ai-advanced-settings summary:after{content:"+";width:1.5rem;height:1.5rem;display:grid;place-items:center;flex:0 0 auto;border:1px solid var(--glass-border);border-radius:999px;color:var(--text-muted);font-size:1rem;line-height:1}.ai-vs-ai-advanced-settings[open] summary:after{content:"−"}.ai-vs-ai-advanced-content{display:flex;flex-direction:column;gap:.8rem;padding-top:.75rem}.ai-vs-ai-bot-card .checkbox-label{align-self:flex-start}.online-panel{display:flex;flex-direction:column;gap:1rem}.text-input{width:100%;box-sizing:border-box;background:var(--panel-strong);border:1px solid var(--glass-border);color:var(--text-main);padding:.75rem .9rem;border-radius:10px;outline:none;transition:border-color .2s ease,box-shadow .2s ease}.text-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(var(--primary-rgb),.15)}.inline-input-group{display:flex;gap:.75rem;align-items:center}.inline-input-group .text-input{flex:1}.code-input{text-transform:uppercase;letter-spacing:.2rem;font-weight:700}.online-room-card{background:var(--panel-strong);border:1px solid var(--glass-border);border-radius:14px;padding:1rem;display:flex;flex-direction:column;gap:.8rem}.online-room-line{display:flex;justify-content:space-between;gap:1rem;align-items:center;color:var(--text-muted)}.online-room-line strong{color:var(--text-main);text-align:right;word-break:break-word}.online-room-timer{font-variant-numeric:tabular-nums}.online-room-timer-danger{color:#fca5a5}.inline-message{padding:.8rem 1rem;border-radius:12px;background:rgba(var(--primary-rgb),.08);border:1px solid rgba(var(--primary-rgb),.18);color:var(--text-main)}.inline-message.error{background:#ef444414;border-color:#ef444440;color:#fecaca}.btn{background:var(--primary);border:none;color:#fff;padding:1rem 2rem;border-radius:50px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s;box-shadow:0 4px 15px rgba(var(--primary-rgb),.3);text-transform:uppercase;letter-spacing:1px;display:flex;align-items:center;justify-content:center;gap:.5rem}.btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(var(--primary-rgb),.5)}.btn:active{transform:translateY(1px)}.btn-secondary{background:transparent;border:1px solid var(--glass-border);box-shadow:none;color:var(--text-muted);padding:.5rem 1rem;border-radius:8px;cursor:pointer;transition:all .3s}.btn-secondary:hover{background:var(--panel-solid);transform:translateY(-2px);border-color:var(--text-main);color:var(--text-main)}.btn-secondary.selected{color:var(--text-main);background:rgba(var(--primary-rgb),.12);border-color:var(--primary);box-shadow:0 0 10px rgba(var(--primary-rgb),.2)}.sound-toggle{min-width:80px}.desktop-game-actions{width:100%;max-width:560px;display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap}.desktop-mode-toggle{display:flex;align-items:center;gap:.9rem;flex-wrap:wrap;justify-content:center}.desktop-mode-toggle-label{color:var(--text-muted);font-size:.84rem;font-weight:600}.desktop-mode-toggle-buttons{display:flex;align-items:center;gap:.65rem;flex-wrap:wrap}.desktop-mode-toggle-buttons .btn-secondary{min-width:108px}.desktop-new-game-btn{min-width:180px}.desktop-online-secondary-btn{min-width:120px;min-height:44px}.desktop-player-toggle{display:flex;align-items:center;gap:.9rem;flex-wrap:wrap;justify-content:center}.desktop-player-toggle-label{color:var(--text-muted);font-size:.84rem;font-weight:600}.desktop-player-toggle-buttons{display:flex;align-items:center;gap:.65rem}.desktop-player-toggle-buttons .btn-secondary{min-width:96px}.button-row{display:flex;gap:.75rem;width:100%}.button-row-online{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.button-row .btn{flex:1;padding:.72rem .9rem;font-size:.9rem;letter-spacing:.02em;text-transform:none}.button-row-online .btn{min-width:0}.online-room-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}.online-room-actions .btn-secondary{width:100%;min-width:0;white-space:normal;line-height:1.2;padding:.7rem .75rem}.btn-export{background:var(--secondary);box-shadow:0 4px 15px rgba(var(--secondary-rgb),.3)}.btn-export:hover{box-shadow:0 8px 25px rgba(var(--secondary-rgb),.5)}.btn-export:disabled{background:linear-gradient(135deg,#475569,#334155);box-shadow:none;cursor:not-allowed;opacity:.6}.btn-export:disabled:hover{transform:none}select{background:var(--panel-strong);border:1px solid var(--glass-border);color:var(--text-main);padding:.5rem 1rem;border-radius:8px;outline:none;cursor:pointer}select option{background:var(--bg-dark);color:var(--text-main)}.status-bar{background:rgba(var(--primary-rgb),.1);color:var(--primary);padding:.5rem 1.5rem;border-radius:50px;font-weight:600;border:1px solid rgba(var(--primary-rgb),.2);display:flex;align-items:center;justify-content:center;gap:.5rem;animation:fadeIn .5s ease;margin:.5rem 0;min-height:38px;min-width:min(340px,100%);box-sizing:border-box}.status-bar-text{display:inline-flex;align-items:center;justify-content:center;min-width:12rem;text-align:center;white-space:nowrap}.status-bar-error{background:#ef44441a;color:#fca5a5;border-color:#ef444440}.mobile-toolbar{display:flex;align-items:center;flex-wrap:wrap;justify-content:center;gap:.75rem;width:100%;max-width:600px}.mobile-toolbar-primary{flex:1 1 180px;min-width:0}.mobile-toolbar-secondary{min-width:96px;flex:0 1 auto}.mobile-menu-toggle{display:inline-flex;align-items:center;justify-content:center;gap:.7rem;min-width:122px;padding:.72rem .95rem;border-radius:14px;border:1px solid var(--glass-border);background:var(--panel-solid);color:var(--text-main);font-size:.92rem;font-weight:600;cursor:pointer;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:transform .2s ease,border-color .2s ease,background .2s ease}.mobile-menu-toggle:hover{transform:translateY(-1px);border-color:var(--primary);background:var(--panel-soft-hover)}.mobile-menu-icon{display:inline-flex;flex-direction:column;gap:3px}.mobile-menu-icon span{display:block;width:18px;height:2px;border-radius:999px;background:currentColor}.mobile-menu-backdrop{position:fixed;inset:0;z-index:59;border:0;padding:0;background:#0206179e;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.spinner{width:16px;height:16px;border:2px solid var(--primary);border-top-color:transparent;border-radius:50%;animation:spin 1s linear infinite}.status-spinner-slot{width:16px;height:16px;flex:0 0 16px;display:inline-flex;align-items:center;justify-content:center;opacity:0}.status-spinner-slot.is-visible{opacity:1}@keyframes spin{to{transform:rotate(360deg)}}.board-outer-frame .resize-handle{position:absolute;right:-15px;bottom:-15px;width:30px;height:30px;background:var(--bg-panel);border:1px solid var(--glass-border);border-radius:50%;display:flex;justify-content:center;align-items:center;cursor:nwse-resize;color:var(--text-muted);transition:all .2s ease;z-index:10}.board-outer-frame .resize-handle:hover{background:var(--primary);color:#fff;transform:scale(1.08)}.chat-panel{background:var(--panel-soft);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:1rem;padding:1rem;box-sizing:border-box;display:flex;flex-direction:column;gap:1rem;min-height:0}.chat-panel-static{width:100%;max-width:600px}.chat-panel-floating{position:fixed;z-index:50;width:min(380px,calc(100vw - 2rem));height:360px;max-width:calc(100vw - 2rem);max-height:calc(100vh - 2rem);box-shadow:0 18px 40px #00000059}.chat-panel-body{display:flex;flex-direction:column;gap:1rem;flex:1;min-height:0}.chat-panel-header{display:flex;justify-content:space-between;align-items:baseline;gap:1rem}.chat-panel-header-draggable{cursor:grab;-webkit-user-select:none;user-select:none}.chat-panel-header-draggable:active{cursor:grabbing}.chat-panel-header h3{margin:0;font-size:1rem}.chat-panel-header span{color:var(--text-muted);font-size:.85rem}.chat-messages{overflow-y:auto;display:flex;flex-direction:column;gap:.75rem;padding-right:.25rem;min-height:0;flex:1}.chat-panel-static .chat-messages{min-height:180px;max-height:280px}.chat-panel-floating .chat-messages{min-height:140px;max-height:none}.chat-message{align-self:flex-start;max-width:85%;background:var(--panel-strong);border:1px solid var(--glass-border);border-radius:14px;padding:.75rem .9rem}.chat-message.own{align-self:flex-end;background:rgba(var(--primary-rgb),.16);border-color:rgba(var(--primary-rgb),.22)}.chat-message-meta{display:flex;justify-content:space-between;gap:1rem;align-items:center;margin-bottom:.35rem;color:var(--text-muted);font-size:.75rem}.chat-message-meta strong{color:var(--text-main);font-size:.8rem}.chat-message-text{color:var(--text-main);white-space:pre-wrap;word-break:break-word;line-height:1.4}.chat-empty-state{min-height:180px;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--text-muted);border:1px dashed rgba(255,255,255,.12);border-radius:14px;padding:1rem}.chat-form{display:flex;gap:.75rem;align-items:center}.chat-form .text-input{flex:1}.chat-form .btn-secondary{min-width:88px}.chat-resize-handle{position:absolute;right:.45rem;bottom:.45rem;width:18px;height:18px;border-right:2px solid rgba(255,255,255,.35);border-bottom:2px solid rgba(255,255,255,.35);cursor:nwse-resize;opacity:.85;transition:opacity .2s ease,border-color .2s ease}.chat-resize-handle:hover{opacity:1;border-color:var(--primary)}@media(max-width:600px){.app-container{padding:1rem;gap:1rem}.sakura-promo{grid-template-columns:112px minmax(0,1fr);gap:.75rem;padding:.5rem;border-radius:15px}.sakura-promo-media{align-self:stretch;aspect-ratio:auto;min-height:92px}.sakura-promo-copy strong{font-size:1rem}.sakura-promo-copy>span:last-child{font-size:.72rem}.sakura-promo-cta{display:none}header h1{font-size:2rem}.scoreboard{gap:1rem;height:104px;min-height:104px}.score-card{height:104px;min-height:104px;padding:.65rem}.score-card .score{font-size:2rem}.game-hud-actions{align-items:stretch;flex-direction:column;height:136px;min-height:136px}.game-hud{height:288px;flex-basis:288px;grid-template-rows:40px 94px 136px}.bot-portrait-row{height:94px;min-height:94px;gap:.5rem}.bot-portrait-card{grid-template-columns:48px 40px minmax(0,1fr);gap:.45rem;padding:.45rem .5rem}.bot-portrait-card.white{grid-template-columns:minmax(0,1fr) 40px 48px}.bot-portrait-card.no-portrait{grid-template-columns:40px minmax(0,1fr)}.bot-portrait-card.white.no-portrait{grid-template-columns:minmax(0,1fr) 40px}.bot-portrait-image-button,.bot-portrait-image{width:48px;height:48px;border-radius:8px}.bot-portrait-copy span{font-size:.55rem}.bot-portrait-copy strong{font-size:.7rem}.bot-portrait-score strong{font-size:1.65rem}.portrait-lightbox{width:min(360px,calc(100vw - 1.5rem));padding:.75rem}.game-hud-buttons{justify-content:stretch}.game-hud-buttons .btn,.game-hud-buttons .btn-secondary{flex:1}.status-bar-text{min-width:0;white-space:normal}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat-item.full-width{grid-column:span 2}.controls{padding:1rem}.mobile-toolbar{gap:.6rem}.mobile-menu-toggle{min-width:104px;padding:.68rem .8rem;font-size:.88rem}.control-row{flex-direction:column;align-items:stretch;gap:.75rem}.inline-input-group{flex-direction:column;align-items:stretch}.online-room-line{flex-direction:column;align-items:flex-start}.online-room-line strong{text-align:left}.button-row-online,.online-room-actions{grid-template-columns:1fr}.board-review-panel,.board-review-top{flex-direction:column;align-items:stretch}.board-review-actions{width:100%}.board-review-analysis-header,.edax-hints-header{flex-direction:column;align-items:stretch}.edax-hints-trigger{width:100%}.edax-hints-inline-list{gap:.32rem}.edax-hint-inline{width:100%;justify-content:flex-start;border-radius:10px}.chat-form{flex-direction:column;align-items:stretch}.chat-message{max-width:100%}}@media(max-width:900px){.chat-panel-floating{position:static;width:100%;height:auto;max-width:600px;max-height:none;box-shadow:none}}.toggle-wrapper{display:flex;align-items:center}.checkbox-label{display:flex;align-items:center;gap:.5rem;color:var(--text-muted);cursor:pointer;font-size:.9rem;-webkit-user-select:none;user-select:none;transition:color .3s}.checkbox-label:hover{color:var(--text-main)}.checkbox-label.disabled{cursor:not-allowed;opacity:.7}.checkbox-label.disabled:hover{color:var(--text-muted)}.checkbox-label input[type=checkbox]{appearance:none;-webkit-appearance:none;width:20px;height:20px;border:2px solid var(--glass-border);border-radius:4px;background:var(--panel-solid);cursor:pointer;position:relative;transition:all .2s}.checkbox-label input[type=checkbox]:disabled{cursor:not-allowed;opacity:.6}.checkbox-label input[type=checkbox]:checked{background:var(--primary);border-color:var(--primary)}.checkbox-label input[type=checkbox]:checked:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:12px;font-weight:700}.app-container{max-width:1800px;gap:.85rem;padding:.85rem clamp(.75rem,1.5vw,1.5rem) 1.5rem}.arena-topbar{position:relative;z-index:20;width:100%;max-width:1720px;min-height:64px;display:grid;grid-template-columns:minmax(300px,435px) minmax(420px,1fr) minmax(300px,435px);align-items:center;gap:1rem;margin:0;padding:.55rem .7rem;border:1px solid var(--glass-border);border-top-color:var(--panel-top-border);border-radius:14px;background:var(--panel-soft);box-shadow:0 12px 32px var(--panel-shadow);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);text-align:left}.arena-brand{min-width:0;padding:0 .45rem}.arena-topbar .arena-brand h1{font-size:clamp(1.25rem,1.8vw,1.65rem);letter-spacing:.04em;line-height:1;filter:none;background:none;color:var(--text-main);-webkit-text-fill-color:currentColor;white-space:nowrap}.arena-topbar .arena-brand h1 span{color:var(--primary)}.arena-topbar .arena-brand h2{margin:.28rem 0 0;color:var(--text-muted);font-size:.58rem;font-weight:700;letter-spacing:.18em}.arena-mode-nav{min-width:0;display:grid;grid-template-columns:repeat(4,minmax(92px,1fr));align-items:center;overflow:hidden;border:1px solid var(--glass-border);border-radius:10px;background:#0000001f}.arena-mode-nav button,.arena-global-actions button{min-height:40px;border:0;background:transparent;color:var(--text-muted);cursor:pointer;font:inherit;font-size:.7rem;font-weight:700;letter-spacing:.06em;white-space:nowrap;transition:color .2s ease,background .2s ease,box-shadow .2s ease,opacity .2s ease}.arena-mode-nav button{position:relative;padding:.5rem .7rem;text-transform:uppercase}.arena-mode-nav button+button{border-left:1px solid var(--glass-border)}.arena-mode-nav button:after{content:"";position:absolute;right:22%;bottom:0;left:22%;height:2px;border-radius:999px;background:var(--primary);box-shadow:0 0 14px var(--primary-glow);opacity:0;transform:scaleX(.4);transition:opacity .2s ease,transform .2s ease}.arena-mode-nav button:hover,.arena-mode-nav button.active{background:rgba(var(--primary-rgb),.08);color:var(--text-main)}.arena-mode-nav button.active:after{opacity:1;transform:scaleX(1)}.arena-global-actions{display:flex;align-items:center;justify-content:flex-end;gap:.25rem}.arena-global-actions button{min-height:38px;padding:.45rem .58rem;border:1px solid transparent;border-radius:9px;letter-spacing:0}.arena-global-actions button:hover,.arena-global-actions button.active{border-color:var(--glass-border);background:var(--panel-solid);color:var(--text-main)}.arena-global-actions button:disabled{cursor:not-allowed;opacity:.38}.arena-theme-action{display:inline-flex;align-items:center;gap:.4rem}.arena-theme-dot{width:12px;height:12px;flex:0 0 auto;border:2px solid rgba(255,255,255,.7);border-radius:50%;box-shadow:0 0 10px var(--primary-glow)}.arena-topbar button:focus-visible,.command-panel-tabs button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.arena-command-center{width:100%;max-width:1720px;display:grid;grid-template-columns:minmax(310px,1fr) minmax(520px,1.72fr) minmax(310px,1fr);align-items:stretch;gap:.85rem}.arena-competitor-rail,.arena-intelligence-panel{min-width:0;overflow:hidden;border:1px solid var(--glass-border);border-top-color:var(--panel-top-border);border-radius:14px;background:var(--panel-soft);box-shadow:0 18px 42px var(--panel-shadow);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px)}.arena-competitor-rail{display:flex;flex-direction:column;gap:.75rem;padding:.75rem}.arena-rail-heading,.arena-live-strip,.command-panel-section-heading,.engine-leaderboard-heading{display:flex;align-items:center;justify-content:space-between;gap:.75rem}.arena-rail-heading>div,.command-panel-section-heading>div,.engine-leaderboard-heading>div{min-width:0;display:flex;flex-direction:column;gap:.15rem}.arena-rail-heading span,.command-panel-section-heading>div>span,.engine-leaderboard-heading>div>span{color:var(--primary);font-size:.58rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.arena-rail-heading strong,.command-panel-section-heading strong{color:var(--text-main);font-size:.9rem}.arena-live-badge,.command-count-badge,.engine-leaderboard-season{flex:0 0 auto;padding:.28rem .5rem;border:1px solid rgba(var(--primary-rgb),.3);border-radius:999px;background:rgba(var(--primary-rgb),.1);color:var(--primary);font-size:.58rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.arena-competitor-rail .bot-portrait-row{height:auto;min-height:0;display:flex;flex-direction:column;gap:.65rem}.arena-competitor-rail .bot-portrait-card,.arena-competitor-rail .bot-portrait-card.white{min-height:104px;grid-template-columns:58px minmax(0,1fr) 50px;gap:.65rem;padding:.65rem;text-align:left;background:#0000001f}.arena-competitor-rail .bot-portrait-card.no-portrait,.arena-competitor-rail .bot-portrait-card.white.no-portrait{grid-template-columns:minmax(0,1fr) 50px}.arena-competitor-rail .bot-portrait-image-button,.arena-competitor-rail .bot-portrait-card.white .bot-portrait-image-button{order:1}.arena-competitor-rail .bot-portrait-copy,.arena-competitor-rail .bot-portrait-card.white .bot-portrait-copy{order:2;align-items:flex-start;text-align:left}.arena-competitor-rail .bot-portrait-score,.arena-competitor-rail .bot-portrait-card.white .bot-portrait-score{order:3}.arena-competitor-rail .bot-portrait-copy strong{font-size:.88rem}.bot-portrait-copy small{display:-webkit-box;overflow:hidden;color:var(--text-muted);font-size:.66rem;font-weight:500;line-height:1.25;-webkit-box-orient:vertical;-webkit-line-clamp:2}.bot-portrait-copy em{color:var(--primary);font-size:.6rem;font-style:normal;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.arena-competitor-rail .bot-portrait-score strong{font-size:1.85rem}.engine-leaderboard{overflow:hidden;border:1px solid var(--glass-border);border-radius:12px;background:#0000001f}.engine-leaderboard-heading{padding:.75rem;border-bottom:1px solid var(--glass-border)}.engine-leaderboard-heading h3{margin:0;color:var(--text-main);font-size:.9rem;letter-spacing:.02em}.engine-leaderboard table{width:100%;border-collapse:collapse;table-layout:fixed}.engine-leaderboard th{padding:.48rem .65rem;color:var(--text-muted);font-size:.55rem;font-weight:800;letter-spacing:.12em;text-align:left;text-transform:uppercase}.engine-leaderboard th:first-child{width:72px}.engine-leaderboard td{padding:.55rem .65rem;border-top:1px solid var(--glass-border);color:var(--text-main)}.engine-leaderboard tr.active td{background:rgba(var(--primary-rgb),.06)}.engine-rank{display:inline-flex;align-items:center;gap:.28rem;font-size:1rem;font-weight:800}.engine-rank-1{color:#fbbf24}.engine-rank-2{color:#cbd5e1}.engine-rank-3{color:#d28a58}.engine-entry{min-width:0;display:flex;align-items:center;gap:.55rem}.engine-entry img{width:34px;height:34px;flex:0 0 auto;border:1px solid rgba(var(--primary-rgb),.28);border-radius:8px;object-fit:cover}.engine-entry strong{overflow:hidden;font-size:.76rem;letter-spacing:.08em;text-overflow:ellipsis;text-transform:uppercase;white-space:nowrap}.arena-board-stage{min-width:0;display:flex;flex-direction:column;align-items:center;gap:.6rem}.arena-live-strip{width:min(760px,100%);min-height:42px;padding:.35rem .55rem;border:1px solid var(--glass-border);border-radius:10px;background:var(--panel-soft);box-shadow:0 10px 24px var(--panel-shadow)}.arena-live-strip .status-bar{width:auto;max-width:none;min-height:30px;height:30px;flex:1 1 auto;justify-content:flex-start;margin:0;padding:0 .3rem;border:0;background:transparent;box-shadow:none}.arena-live-strip .status-bar-text{min-width:0;overflow:hidden;font-size:.75rem;text-overflow:ellipsis;white-space:nowrap}.arena-move-counter{flex:0 0 auto;color:var(--text-muted);font-size:.64rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.arena-board-stage .board-outer-frame{max-width:760px;margin:0}.arena-intelligence-panel{min-height:0;height:auto;max-height:none;display:flex;flex-direction:column}.command-panel-tabs{flex:0 0 auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid var(--glass-border)}.command-panel-tabs button{position:relative;min-height:48px;border:0;background:transparent;color:var(--text-muted);cursor:pointer;font:inherit;font-size:.66rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.command-panel-tabs button+button{border-left:1px solid var(--glass-border)}.command-panel-tabs button.active{background:linear-gradient(180deg,rgba(var(--primary-rgb),.15),rgba(var(--primary-rgb),.03));color:var(--primary);box-shadow:inset 0 -2px 0 var(--primary)}.command-panel-body{flex:1 1 auto;min-height:0;overflow:auto;overscroll-behavior:contain}.command-tab-content{min-height:100%;display:flex;flex-direction:column;gap:.8rem;padding:.9rem}.command-status-dot{display:inline-flex;align-items:center;gap:.35rem;color:var(--text-muted);font-size:.58rem;font-weight:700}.command-status-dot:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 9px rgba(var(--primary-rgb),.45)}.command-status-dot.working:before{animation:pulse-glow 1.5s ease-in-out infinite;background:var(--primary)}.arena-intelligence-panel .edax-hints-panel{max-width:none;padding:0;border:0;background:transparent;box-shadow:none}.coach-move-list,.engine-status-grid{display:flex;flex-direction:column;gap:.55rem}.coach-move-row{display:grid;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:.7rem;min-height:54px;padding:.55rem .65rem;border:1px solid var(--glass-border);border-radius:10px;background:#00000021}.coach-move-row.best{border-color:rgba(var(--secondary-rgb),.52);background:rgba(var(--secondary-rgb),.08)}.coach-move-rank{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(var(--primary-rgb),.32);border-radius:8px;color:var(--primary);font-size:.75rem;font-weight:800}.coach-move-row strong{color:var(--text-main);font-size:1rem}.coach-move-row>span:last-child{color:var(--accent);font-size:.78rem;font-weight:800}.engine-status-grid article{display:flex;flex-direction:column;gap:.2rem;padding:.7rem;border:1px solid var(--glass-border);border-radius:10px;background:#00000021}.engine-status-grid article.active{border-color:rgba(var(--primary-rgb),.56);box-shadow:inset 3px 0 0 var(--primary)}.engine-status-grid article span{color:var(--primary);font-size:.58rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.engine-status-grid article strong{color:var(--text-main);font-size:.82rem}.engine-status-grid article small{color:var(--text-muted);font-size:.68rem;line-height:1.35}.command-empty-state{min-height:150px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.35rem;padding:1rem;border:1px dashed var(--glass-border);border-radius:12px;color:var(--text-muted);text-align:center}.command-empty-state strong{color:var(--text-main);font-size:.8rem}.command-empty-state span{max-width:260px;font-size:.68rem;line-height:1.45}.command-move-history{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem;margin:0;padding:0;list-style:none}.command-move-history li{min-width:0;display:grid;grid-template-columns:26px minmax(0,1fr);gap:.12rem .5rem;padding:.48rem .55rem;border:1px solid var(--glass-border);border-radius:9px;background:#0000001f}.command-move-history li>span{grid-row:span 2;align-self:center;color:var(--text-muted);font-size:.62rem;font-weight:700}.command-move-history li strong{color:var(--text-main);font-size:.78rem}.command-move-history li small{color:var(--text-muted);font-size:.56rem}.chat-command-panel .chat-messages{min-height:0;flex:1 1 auto;overflow-y:auto}.chat-command-panel .chat-form{flex:0 0 auto}.arena-intelligence-panel .game-hud-actions{width:100%;height:auto;min-height:0;flex:0 0 auto;flex-direction:column;align-items:stretch;gap:.7rem;padding:.8rem;border:0;border-top:1px solid var(--glass-border);border-radius:0;background:#0000001a;box-shadow:none}.arena-intelligence-panel .game-hud-summary span{white-space:normal}.arena-intelligence-panel .game-hud-buttons{width:100%;display:grid;grid-template-columns:minmax(0,1fr);min-width:0}.arena-intelligence-panel .game-hud-buttons .btn,.arena-intelligence-panel .game-hud-buttons .btn-secondary{width:100%;min-width:0}[data-theme=arena] .arena-topbar,[data-theme=arena] .arena-competitor-rail,[data-theme=arena] .arena-intelligence-panel{border-color:var(--arena-border);border-top-color:var(--arena-border-strong);border-radius:4px;background:var(--arena-shell-bg);box-shadow:0 20px 48px #00000085,inset 0 0 0 1px #ffffff05;backdrop-filter:none;-webkit-backdrop-filter:none}[data-theme=arena] .arena-topbar{min-height:58px;padding:.38rem .6rem}[data-theme=arena] .arena-brand{padding-inline:.7rem}[data-theme=arena] .arena-topbar .arena-brand h1{font-size:clamp(1.18rem,1.65vw,1.55rem);font-weight:800;letter-spacing:.12em}[data-theme=arena] .arena-topbar .arena-brand h1 span{text-shadow:0 0 18px rgba(var(--primary-rgb),.22)}[data-theme=arena] .arena-mode-nav{border-color:var(--arena-border);border-radius:3px;background:var(--arena-inset-bg)}[data-theme=arena] .arena-mode-nav button,[data-theme=arena] .arena-global-actions button{color:var(--arena-ui-text);font-size:.66rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}[data-theme=arena] .arena-mode-nav button{min-height:42px}[data-theme=arena] .arena-mode-nav button:hover,[data-theme=arena] .arena-mode-nav button.active{background:linear-gradient(180deg,rgba(var(--primary-rgb),.12),rgba(var(--primary-rgb),.035));color:var(--arena-button-text)}[data-theme=arena] .arena-mode-nav button.active{box-shadow:inset 0 0 24px rgba(var(--primary-rgb),.09),0 0 24px rgba(var(--primary-rgb),.06)}[data-theme=arena] .arena-mode-nav button:after{right:10%;left:10%;height:1px}[data-theme=arena] .arena-global-actions{gap:.12rem}[data-theme=arena] .arena-global-actions button{display:inline-flex;align-items:center;justify-content:center;gap:.38rem;min-height:36px;padding-inline:.56rem;border-radius:2px}[data-theme=arena] .arena-global-actions button i{color:#c5bdaf;font-size:.76rem}[data-theme=arena] .arena-global-actions button:hover,[data-theme=arena] .arena-global-actions button.active{border-color:rgba(var(--primary-rgb),.28);background:rgba(var(--primary-rgb),.055);color:var(--text-main)}[data-theme=arena] .arena-theme-dot{width:18px;height:18px;border:1px solid rgba(255,255,255,.72);background-image:linear-gradient(135deg,var(--primary) 0 46%,var(--secondary) 48% 100%)!important}[data-theme=arena] .arena-competitor-rail{gap:.8rem;padding:.88rem}[data-theme=arena] .arena-rail-heading span,[data-theme=arena] .command-panel-section-heading>div>span,[data-theme=arena] .engine-leaderboard-heading>div>span{font-size:.6rem;letter-spacing:.17em}[data-theme=arena] .arena-rail-heading strong,[data-theme=arena] .command-panel-section-heading strong{letter-spacing:.035em}[data-theme=arena] .arena-live-badge,[data-theme=arena] .command-count-badge,[data-theme=arena] .engine-leaderboard-season{border-radius:2px;background:rgba(var(--primary-rgb),.055)}[data-theme=arena] .arena-competitor-rail .bot-portrait-card{--competitor-accent: 130, 150, 107;min-height:112px;padding:.72rem;border-color:rgba(var(--competitor-accent),.72);border-radius:2px;background:linear-gradient(100deg,rgba(var(--competitor-accent),.07),transparent 43%),var(--arena-card-bg);box-shadow:inset 0 0 24px rgba(var(--competitor-accent),.035),0 14px 28px #0000004d;clip-path:polygon(0 0,calc(100% - 9px) 0,100% 9px,100% 100%,9px 100%,0 calc(100% - 9px))}[data-theme=arena] .arena-competitor-rail .bot-portrait-card.white{--competitor-accent: 181, 177, 166;border-color:rgba(var(--competitor-accent),.3);background:linear-gradient(100deg,rgba(var(--competitor-accent),.045),transparent 43%),var(--arena-card-bg);box-shadow:inset 0 0 24px rgba(var(--competitor-accent),.025),0 14px 28px #0000004d}[data-theme=arena] .arena-competitor-rail .bot-portrait-card.active{border-color:rgba(var(--competitor-accent),.98);background:linear-gradient(100deg,rgba(var(--competitor-accent),.12),transparent 48%),var(--arena-card-bg);box-shadow:inset 0 0 30px rgba(var(--competitor-accent),.07),0 0 22px rgba(var(--competitor-accent),.08)}[data-theme=arena] .arena-competitor-rail .bot-portrait-card.white.active{border-color:rgba(var(--competitor-accent),.64);background:linear-gradient(100deg,rgba(var(--competitor-accent),.08),transparent 48%),var(--arena-card-bg);box-shadow:0 0 18px rgba(var(--competitor-accent),.045),inset 0 0 24px rgba(var(--competitor-accent),.035)}[data-theme=arena] .arena-competitor-rail .bot-portrait-card:before{background:linear-gradient(115deg,rgba(var(--competitor-accent),.04),rgba(var(--competitor-accent),.88),#ffffff57,rgba(var(--competitor-accent),.04))}[data-theme=arena] .arena-competitor-rail .bot-portrait-image-button,[data-theme=arena] .arena-competitor-rail .bot-portrait-image{border-radius:2px}[data-theme=arena] .arena-competitor-rail .bot-portrait-image{border-color:rgba(var(--competitor-accent),.78);box-shadow:0 0 14px rgba(var(--competitor-accent),.11)}[data-theme=arena] .arena-competitor-rail .bot-portrait-copy>span,[data-theme=arena] .arena-competitor-rail .bot-portrait-copy em{color:rgb(var(--competitor-accent))}[data-theme=arena] .arena-competitor-rail .bot-portrait-copy>span{letter-spacing:.16em}[data-theme=arena] .arena-competitor-rail .bot-portrait-copy strong{color:rgb(var(--competitor-accent));font-size:1rem;letter-spacing:.07em;text-transform:uppercase}[data-theme=arena] .arena-competitor-rail .bot-portrait-card.white .bot-portrait-copy>span,[data-theme=arena] .arena-competitor-rail .bot-portrait-card.white .bot-portrait-copy em{color:#aaa89f}[data-theme=arena] .arena-competitor-rail .bot-portrait-card.white .bot-portrait-copy strong,[data-theme=arena] .arena-competitor-rail .bot-portrait-card.white .bot-portrait-score strong{color:#ded9cf}[data-theme=arena] .arena-competitor-rail .bot-portrait-card.white .bot-portrait-copy small{color:#8f9089}[data-theme=arena] .arena-competitor-rail .bot-portrait-score strong{font-size:2.15rem;font-variant-numeric:tabular-nums}[data-theme=arena] .arena-competitor-rail .bot-portrait-copy em{display:flex;align-items:center;gap:.55rem}[data-theme=arena] .arena-competitor-rail .bot-portrait-copy em:after{content:"";width:52px;height:1px;background:rgb(var(--competitor-accent));box-shadow:18px 0 0 -.25px rgb(var(--competitor-accent));opacity:.75}[data-theme=arena] .engine-leaderboard{border-color:var(--arena-border);border-radius:2px;background:var(--arena-inset-bg)}[data-theme=arena] .engine-leaderboard-heading{padding-block:.85rem;background:linear-gradient(90deg,rgba(var(--primary-rgb),.04),transparent)}[data-theme=arena] .engine-leaderboard-heading h3{font-size:.95rem;letter-spacing:.06em}[data-theme=arena] .engine-leaderboard th{background:#ffffff05}[data-theme=arena] .engine-leaderboard td,[data-theme=arena] .engine-leaderboard th,[data-theme=arena] .engine-leaderboard-heading{border-color:var(--arena-border)}[data-theme=arena] .engine-leaderboard tr.active td{background:rgba(var(--primary-rgb),.045)}[data-theme=arena] .engine-entry img{border-radius:2px}[data-theme=arena] .arena-live-strip{min-height:38px;padding:.25rem .55rem;border-color:var(--arena-border);border-radius:3px;background:var(--arena-shell-bg);box-shadow:0 10px 26px #0000005c}.arena-live-label{flex:0 0 auto;display:inline-flex;align-items:center;gap:.42rem;padding-right:.8rem;border-right:1px solid var(--glass-border);color:var(--primary);font-size:.6rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;white-space:nowrap}.arena-live-label i{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary)}[data-theme=arena] .arena-live-strip .status-bar-text{color:#c2baad;font-weight:700;letter-spacing:.06em;text-transform:uppercase}[data-theme=arena] .arena-move-counter{color:#aaa69d}[data-theme=arena] .board-outer-frame{padding:10px 40px 32px 10px;border-color:var(--board-frame-border);border-top-color:var(--board-frame-highlight);border-left-color:#5e6962b8;border-radius:3px;background:var(--board-frame-bg);box-shadow:0 26px 58px #00000094,inset 0 0 0 1px #ffffff06,inset 0 0 34px rgba(var(--primary-rgb),.025);backdrop-filter:none;-webkit-backdrop-filter:none}[data-theme=arena] .board-outer-frame.has-footer{padding-bottom:20px}[data-theme=arena] .coords-top{height:22px;padding-right:5px;padding-left:35px}[data-theme=arena] .coords-left{width:28px;margin-right:2px;padding-block:5px}[data-theme=arena] .coord-label{color:var(--board-coord-color);font-size:12px;font-weight:700;letter-spacing:.08em}[data-theme=arena] .board-grid{border-width:5px;border-color:var(--arena-board-line);background-color:var(--arena-board-line);box-shadow:0 0 0 1px var(--arena-board-outline),0 18px 38px #0000008c,inset 0 0 18px #00000047}[data-theme=arena] .cell{border:0;box-shadow:inset 1px 0 #1b2b26e0,inset 0 1px #1b2b26e0,inset -1px 0 #879b901a,inset 0 -1px #879b901a}[data-theme=arena] .cell.square-light{background:radial-gradient(circle at 28% 22%,rgba(255,255,255,.035),transparent 46%),linear-gradient(145deg,#ffffff04,#0000000e),var(--board-square-light)}[data-theme=arena] .cell.square-dark{background:radial-gradient(circle at 28% 22%,rgba(255,255,255,.025),transparent 46%),linear-gradient(145deg,#ffffff03,#0001),var(--board-square-dark)}[data-theme=arena] .cell.valid-move:after{width:15%;height:15%;background:var(--move-indicator-fill);box-shadow:0 0 8px var(--move-indicator-glow)}[data-theme=arena] .cell.last-move:before,[data-theme=ivory] .cell.last-move:before{background:transparent;box-shadow:none}[data-theme=arena] .piece{width:82%;height:82%}[data-theme=arena] .piece-face{border:1px solid transparent;box-shadow:0 7px 8px #00000070,0 2px 3px #00000047,inset 0 -2px 3px #00000029,inset 0 1px 1px #ffffff26}[data-theme=arena] .piece-face:before,[data-theme=arena] .piece-face:after{content:"";position:absolute;pointer-events:none;border-radius:50%}[data-theme=arena] .piece-face:before{inset:2%;background:radial-gradient(circle at 31% 17%,rgba(255,255,255,.08),transparent 46%)}[data-theme=arena] .piece-face:after{inset:3%;border:0;box-shadow:inset 0 -2px 4px #0000001f}[data-theme=arena] .piece-face.front{border-color:var(--piece-black-border);background:var(--piece-black-grad)}[data-theme=arena] .piece-face.back{border-color:var(--piece-white-border);background:var(--piece-white-grad)}[data-theme=arena] .last-move-indicator{width:calc(100% + 7px);height:calc(100% + 7px);border:2px solid var(--last-move-indicator);background:transparent;box-shadow:0 0 0 1px #14110cb3,0 0 9px rgba(var(--primary-rgb),.2);animation:none}[data-theme=arena] .board-outer-frame .resize-handle{right:-13px;bottom:-13px;width:26px;height:26px;border-color:#7672678a;border-radius:50%;background:#151917}[data-theme=arena] .command-panel-tabs button{min-height:46px}[data-theme=arena] .command-panel-tabs button.active{background:linear-gradient(180deg,rgba(var(--primary-rgb),.18),rgba(var(--primary-rgb),.035));color:#eadbc8;box-shadow:inset 0 -2px 0 var(--primary),inset 0 0 22px rgba(var(--primary-rgb),.08)}[data-theme=arena] .coach-move-row,[data-theme=arena] .engine-status-grid article,[data-theme=arena] .command-move-history li,[data-theme=arena] .command-empty-state{border-radius:2px;background:var(--arena-inset-bg)}[data-theme=arena] .coach-move-row.best{border-color:rgba(var(--secondary-rgb),.66);background:rgba(var(--secondary-rgb),.065)}[data-theme=arena] .coach-move-rank{border-radius:1px}[data-theme=arena] .arena-intelligence-panel .game-hud-actions{background:var(--arena-inset-bg)}[data-theme=arena] .arena-intelligence-panel .game-hud-buttons .btn,[data-theme=arena] .arena-intelligence-panel .game-hud-buttons .btn-secondary{min-height:46px;border-radius:2px;text-transform:uppercase}[data-theme=arena] .arena-intelligence-panel .game-hud-buttons .game-hud-primary{border:1px solid rgba(var(--primary-rgb),.88);background:linear-gradient(180deg,rgba(var(--primary-rgb),.13),rgba(var(--primary-rgb),.035));color:#f1dfca;box-shadow:0 0 18px rgba(var(--primary-rgb),.1),inset 0 0 18px rgba(var(--primary-rgb),.05)}[data-theme=arena] .sakura-promo{border-radius:4px;background:radial-gradient(circle at 18% 20%,rgba(var(--secondary-rgb),.07),transparent 34%),var(--sakura-promo-bg)}[data-theme=arena] .sakura-promo-media,[data-theme=arena] .sakura-promo-cta{border-radius:2px}[data-theme=arena] .settings-drawer{border-left-color:var(--arena-border-strong);background:var(--arena-shell-bg)}[data-theme=arena] .arena-mode-nav button,[data-theme=arena] .arena-global-actions button,[data-theme=arena] .command-panel-tabs button,[data-theme=arena] .arena-live-label,[data-theme=arena] .arena-move-counter,[data-theme=arena] .engine-leaderboard-heading h3,[data-theme=arena] .arena-competitor-rail .bot-portrait-copy strong,[data-theme=arena] .arena-intelligence-panel .game-hud-buttons button{font-family:var(--font-main, "Outfit", system-ui, sans-serif)}[data-theme=arena] .board-footer{margin-top:.75rem}[data-theme=arena] .board-review-panel{border-color:var(--arena-border);border-radius:2px;background:var(--arena-review-bg)}[data-theme=arena] .board-review-btn{border:1px solid rgba(var(--primary-rgb),.7);border-radius:2px;background:rgba(var(--primary-rgb),.07);color:#eadbc8;box-shadow:inset 0 0 12px rgba(var(--primary-rgb),.035)}[data-theme=arena] .board-review-btn:hover{background:rgba(var(--primary-rgb),.13);box-shadow:0 0 14px rgba(var(--primary-rgb),.1),inset 0 0 14px rgba(var(--primary-rgb),.05)}[data-theme=arena] .board-review-btn:disabled,[data-theme=arena] .board-review-btn:disabled:hover{border-color:rgba(var(--primary-rgb),.2);background:rgba(var(--primary-rgb),.035);color:#eadbc870}[data-theme=arena] .analysis-score,[data-theme=arena] .board-review-graph,[data-theme=arena] .edax-hints-panel,[data-theme=arena] .edax-hint-inline{border-radius:2px}[data-theme=arena] .board-review-graph{border-color:var(--arena-border);background:var(--arena-inset-bg)}[data-theme=ivory] .arena-theme-dot{width:18px;height:18px;border:1px solid rgba(71,61,50,.34);background-image:linear-gradient(135deg,var(--primary) 0 46%,var(--secondary) 48% 100%)!important}[data-theme=ivory] .arena-competitor-rail .bot-portrait-card.black{border-color:#373e3933;background:linear-gradient(145deg,#faf7f0,#e9e4da);box-shadow:0 12px 26px #463f361f}[data-theme=ivory] .arena-competitor-rail .bot-portrait-card.black .bot-portrait-copy>span{color:#626b60}[data-theme=ivory] .arena-competitor-rail .bot-portrait-card.black .bot-portrait-copy strong,[data-theme=ivory] .arena-competitor-rail .bot-portrait-card.black .bot-portrait-score strong{color:#292d29}[data-theme=ivory] .arena-competitor-rail .bot-portrait-card.black .bot-portrait-copy small{color:#74766f}[data-theme=ivory] .arena-competitor-rail .bot-portrait-card.white{border-color:#373e3933;background:linear-gradient(145deg,#faf7f0,#e9e4da)}[data-theme=ivory] .arena-competitor-rail .bot-portrait-card.white .bot-portrait-copy>span{color:#77746c}[data-theme=ivory] .arena-competitor-rail .bot-portrait-card.white .bot-portrait-copy strong,[data-theme=ivory] .arena-competitor-rail .bot-portrait-card.white .bot-portrait-score strong{color:#292d29}[data-theme=ivory] .arena-competitor-rail .bot-portrait-card.white .bot-portrait-copy small{color:#74766f}[data-theme=ivory] .engine-rank-2{color:#666b66}[data-theme=ivory] .piece{width:82%;height:82%}[data-theme=ivory] .piece-face{border:1px solid transparent;box-shadow:0 7px 8px #312d2757,0 2px 3px #312d272e,inset 0 -2px 3px #00000029,inset 0 1px 1px #ffffff26}[data-theme=ivory] .piece-face:before,[data-theme=ivory] .piece-face:after{content:"";position:absolute;pointer-events:none;border-radius:50%}[data-theme=ivory] .piece-face:before{inset:2%;background:radial-gradient(circle at 31% 17%,rgba(255,255,255,.08),transparent 46%)}[data-theme=ivory] .piece-face:after{inset:3%;border:0;box-shadow:inset 0 -2px 4px #0000001f}[data-theme=ivory] .piece-face.front{border-color:var(--piece-black-border);background:var(--piece-black-grad)}[data-theme=ivory] .piece-face.back{border-color:var(--piece-white-border);background:var(--piece-white-grad)}[data-theme=ivory] .last-move-indicator{width:calc(100% + 7px);height:calc(100% + 7px);border:2px solid var(--last-move-indicator);background:transparent;box-shadow:0 0 0 1px #fffcf6c7,0 0 8px rgba(var(--primary-rgb),.18);animation:none}[data-theme=ivory] .arena-topbar,[data-theme=ivory] .arena-competitor-rail,[data-theme=ivory] .arena-intelligence-panel{border-color:var(--arena-border);border-top-color:var(--arena-border-strong);border-radius:4px;background:var(--arena-shell-bg);box-shadow:0 18px 42px var(--panel-shadow),inset 0 0 0 1px #ffffff2e;backdrop-filter:none;-webkit-backdrop-filter:none}[data-theme=ivory] .arena-topbar{min-height:58px;padding:.38rem .6rem}[data-theme=ivory] .arena-brand{padding-inline:.7rem}[data-theme=ivory] .arena-topbar .arena-brand h1{font-size:clamp(1.18rem,1.65vw,1.55rem);font-weight:800;letter-spacing:.12em}[data-theme=ivory] .arena-mode-nav{border-color:var(--arena-border);border-radius:3px;background:var(--arena-inset-bg)}[data-theme=ivory] .arena-mode-nav button,[data-theme=ivory] .arena-global-actions button{color:var(--arena-ui-text);font-size:.66rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}[data-theme=ivory] .arena-mode-nav button{min-height:42px}[data-theme=ivory] .arena-mode-nav button:hover,[data-theme=ivory] .arena-mode-nav button.active{background:rgba(var(--primary-rgb),.07);color:var(--text-main)}[data-theme=ivory] .arena-mode-nav button:after{right:10%;left:10%;height:1px}[data-theme=ivory] .arena-global-actions{gap:.12rem}[data-theme=ivory] .arena-global-actions button{display:inline-flex;align-items:center;justify-content:center;gap:.38rem;min-height:36px;padding-inline:.56rem;border-radius:2px}[data-theme=ivory] .arena-global-actions button:hover,[data-theme=ivory] .arena-global-actions button.active{border-color:rgba(var(--primary-rgb),.22);background:rgba(var(--primary-rgb),.045);color:var(--text-main)}[data-theme=ivory] .arena-competitor-rail{gap:.8rem;padding:.88rem}[data-theme=ivory] .arena-live-badge,[data-theme=ivory] .command-count-badge,[data-theme=ivory] .engine-leaderboard-season{border-radius:2px;background:rgba(var(--primary-rgb),.055)}[data-theme=ivory] .arena-competitor-rail .bot-portrait-card,[data-theme=ivory] .arena-competitor-rail .bot-portrait-card.white{min-height:112px;padding:.72rem;border-radius:2px;background:var(--arena-card-bg);box-shadow:0 12px 26px #463f361f;clip-path:polygon(0 0,calc(100% - 9px) 0,100% 9px,100% 100%,9px 100%,0 calc(100% - 9px))}[data-theme=ivory] .arena-competitor-rail .bot-portrait-card.black{border-color:#373e3938}[data-theme=ivory] .arena-competitor-rail .bot-portrait-card.white{border-color:#6f685c33}[data-theme=ivory] .arena-competitor-rail .bot-portrait-card.active{border-color:rgba(var(--primary-rgb),.38);background:var(--arena-card-bg);box-shadow:inset 2px 0 rgba(var(--primary-rgb),.28)}[data-theme=ivory] .arena-competitor-rail .bot-portrait-image-button,[data-theme=ivory] .arena-competitor-rail .bot-portrait-image,[data-theme=ivory] .engine-entry img{border-radius:2px}[data-theme=ivory] .engine-leaderboard{border-color:var(--arena-border);border-radius:2px;background:var(--arena-inset-bg)}[data-theme=ivory] .engine-leaderboard-heading,[data-theme=ivory] .engine-leaderboard td,[data-theme=ivory] .engine-leaderboard th{border-color:var(--arena-border)}[data-theme=ivory] .engine-leaderboard-heading{padding-block:.85rem;background:rgba(var(--primary-rgb),.025)}[data-theme=ivory] .engine-leaderboard tr.active td{background:rgba(var(--primary-rgb),.035)}[data-theme=ivory] .arena-live-strip{min-height:38px;padding:.25rem .55rem;border-color:var(--arena-border);border-radius:3px;background:var(--arena-shell-bg);box-shadow:0 10px 24px var(--panel-shadow)}[data-theme=ivory] .board-outer-frame{padding:10px 40px 32px 10px;border-color:var(--board-frame-border);border-top-color:var(--board-frame-highlight);border-left-color:var(--board-frame-highlight);border-radius:3px;background:var(--board-frame-bg);box-shadow:0 22px 50px #52483a2e,inset 0 0 0 1px #ffffff42;backdrop-filter:none;-webkit-backdrop-filter:none}[data-theme=ivory] .board-outer-frame.has-footer{padding-bottom:20px}[data-theme=ivory] .coords-top{height:22px;padding-right:5px;padding-left:35px}[data-theme=ivory] .coords-left{width:28px;margin-right:2px;padding-block:5px}[data-theme=ivory] .coord-label{color:var(--board-coord-color);font-size:12px;font-weight:700;letter-spacing:.08em}[data-theme=ivory] .board-grid{border-width:5px;border-color:var(--arena-board-line);background-color:var(--arena-board-line);box-shadow:0 0 0 1px var(--arena-board-outline),0 16px 34px #403b3333}[data-theme=ivory] .cell{box-shadow:inset 1px 0 #374b4466,inset 0 1px #374b4466,inset -1px 0 #ffffff24,inset 0 -1px #ffffff24}[data-theme=ivory] .cell.valid-move:after{width:15%;height:15%;background:var(--move-indicator-fill);box-shadow:0 0 8px var(--move-indicator-glow)}[data-theme=ivory] .command-panel-tabs button{min-height:46px}[data-theme=ivory] .command-panel-tabs button.active{background:rgba(var(--primary-rgb),.07);color:var(--text-main);box-shadow:inset 0 -2px 0 var(--primary)}[data-theme=ivory] .coach-move-row,[data-theme=ivory] .engine-status-grid article,[data-theme=ivory] .command-move-history li,[data-theme=ivory] .command-empty-state{border-radius:2px;background:var(--arena-inset-bg)}[data-theme=ivory] .arena-intelligence-panel .game-hud-actions{background:var(--arena-inset-bg)}[data-theme=ivory] .arena-intelligence-panel .game-hud-buttons .btn,[data-theme=ivory] .arena-intelligence-panel .game-hud-buttons .btn-secondary{min-height:46px;border-radius:2px;box-shadow:none;text-transform:uppercase}[data-theme=ivory] .arena-intelligence-panel .game-hud-buttons .game-hud-primary{border:1px solid rgba(var(--primary-rgb),.42);background:rgba(var(--primary-rgb),.07);color:#60472f}[data-theme=ivory] .sakura-promo,[data-theme=ivory] .sakura-promo-media,[data-theme=ivory] .sakura-promo-cta,[data-theme=ivory] .board-review-panel,[data-theme=ivory] .board-review-graph,[data-theme=ivory] .board-review-btn{border-radius:3px}[data-theme=ivory] .engine-rank-2{color:#5e625e}.settings-backdrop{background:#050706a8;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}.settings-drawer{width:min(460px,calc(100vw - .75rem));border-left-color:var(--arena-border-strong, var(--glass-border));background:var(--arena-shell-bg, var(--panel-soft));box-shadow:-22px 0 54px #00000061;backdrop-filter:none;-webkit-backdrop-filter:none}.settings-drawer,.settings-drawer button,.settings-drawer input,.settings-drawer select,.settings-drawer summary{font-family:var(--font-main, "Outfit", system-ui, sans-serif)}.settings-drawer-header{align-items:center;min-height:78px;padding:.85rem .95rem;border-bottom-color:var(--arena-border, var(--glass-border));background:var(--arena-inset-bg, var(--panel-soft))}.settings-drawer-heading{min-width:0;display:grid;grid-template-columns:auto minmax(0,1fr);align-items:baseline;gap:.18rem .65rem}.settings-drawer-header .settings-drawer-eyebrow{grid-column:1 / -1;margin:0;color:var(--primary);font-size:.58rem;font-weight:700;letter-spacing:.15em;line-height:1.2;text-transform:uppercase}.settings-drawer-header strong{color:var(--text-main);font-size:1rem;letter-spacing:.02em}.settings-drawer-header .settings-drawer-heading>span:last-child:not(.settings-drawer-eyebrow){min-width:0;margin:0;overflow:hidden;color:var(--text-muted);font-size:.68rem;line-height:1.2;text-overflow:ellipsis;white-space:nowrap}.settings-drawer-close{width:34px;height:34px;display:grid;place-items:center;padding:0;border-color:var(--arena-border, var(--glass-border));border-radius:3px;background:var(--arena-inset-bg, var(--panel-solid));color:var(--text-muted);font-size:1.2rem;font-weight:400;line-height:1}.settings-drawer-close:hover{border-color:rgba(var(--primary-rgb),.42);color:var(--text-main)}.settings-drawer-body{gap:.65rem;padding:.75rem;scrollbar-color:var(--glass-border) transparent;scrollbar-width:thin}.settings-drawer-body::-webkit-scrollbar{width:6px}.settings-drawer-body::-webkit-scrollbar-thumb{border-radius:999px;background:var(--glass-border)}.settings-drawer-body>.control-row,.settings-drawer-body>.analyze-settings,.settings-drawer-body>.settings-section{padding:.78rem;border:1px solid var(--arena-border, var(--glass-border));border-radius:4px;background:var(--arena-inset-bg, var(--panel-soft))}.settings-drawer-body>.control-row>label,.settings-drawer-body>.analyze-settings>.control-row>label,.settings-drawer-body .ai-vs-ai-bot-card label,.settings-drawer-body .online-panel label{color:var(--text-muted);font-size:.62rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase}.settings-mode-row,.settings-theme-row{flex-direction:column;align-items:stretch;gap:.65rem}.settings-mode-row .settings-button-group{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem}.settings-drawer .btn-secondary{min-height:36px;border-color:var(--arena-border, var(--glass-border));border-radius:3px;background:transparent;color:var(--text-muted);font-size:.72rem;font-weight:600;letter-spacing:.025em;transition:border-color .18s ease,background .18s ease,color .18s ease}.settings-drawer .btn-secondary:hover{transform:none;border-color:var(--arena-border-strong, var(--glass-border));background:rgba(var(--primary-rgb),.035);color:var(--text-main)}.settings-drawer .btn-secondary.selected{border-color:rgba(var(--primary-rgb),.5);background:rgba(var(--primary-rgb),.075);color:var(--text-main);box-shadow:inset 2px 0 rgba(var(--primary-rgb),.62)}.settings-section{gap:0}.settings-section .stats-toggle{min-height:42px;padding:.55rem .65rem;border:0;border-radius:2px;background:transparent;color:var(--text-main)}.settings-section .stats-toggle:hover{border-color:transparent;background:rgba(var(--primary-rgb),.035)}.settings-section .stats-toggle>span:first-child{color:var(--text-muted);font-size:.62rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase}.settings-section .stats-summary{color:var(--text-main);font-size:.72rem;font-variant-numeric:tabular-nums}.settings-section .stats-panel{margin-top:.55rem;padding:.7rem;border-color:var(--arena-border, var(--glass-border));border-radius:3px;background:var(--panel-solid);box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}.settings-drawer-body>.control-stack{gap:.65rem}.settings-drawer .ai-vs-ai-bot-card,.settings-drawer .online-room-card{padding:.78rem;border-color:var(--arena-border, var(--glass-border));border-radius:4px;background:var(--arena-inset-bg, var(--panel-soft));box-shadow:none}.settings-drawer .ai-vs-ai-bot-card.side-black{box-shadow:inset 2px 0 rgba(var(--secondary-rgb),.45)}.settings-drawer .ai-vs-ai-bot-card.side-white{box-shadow:inset 2px 0 #beb8ac6b}.settings-drawer .ai-vs-ai-bot-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:.5rem;padding-bottom:.65rem;border-bottom:1px solid var(--arena-border, var(--glass-border))}.settings-drawer .ai-vs-ai-bot-heading strong{font-size:.82rem;letter-spacing:.03em}.settings-drawer .ai-vs-ai-bot-heading span{font-size:.67rem;text-align:right}.settings-drawer .ai-vs-ai-advanced-settings{padding-top:.6rem;border-top-color:var(--arena-border, var(--glass-border))}.settings-drawer .ai-vs-ai-advanced-settings summary{color:var(--text-muted);font-size:.72rem;font-weight:600}.settings-drawer .ai-vs-ai-advanced-settings summary:after{width:1.35rem;height:1.35rem;border-color:var(--arena-border, var(--glass-border));border-radius:2px;font-size:.82rem}.settings-drawer select,.settings-drawer .text-input,.settings-drawer .ai-tuning-number{min-height:38px;padding:.5rem .65rem;border-color:var(--arena-border, var(--glass-border));border-radius:3px;background:var(--panel-solid);color:var(--text-main);font-size:.76rem;box-shadow:none}.settings-drawer select:focus,.settings-drawer .text-input:focus,.settings-drawer .ai-tuning-number:focus{border-color:rgba(var(--primary-rgb),.5);box-shadow:0 0 0 2px rgba(var(--primary-rgb),.08)}.settings-drawer .ai-info{max-width:none;gap:.65rem;padding:.65rem;border-color:var(--arena-border, var(--glass-border));border-radius:3px;background:var(--panel-solid)}.settings-drawer .ai-info-emoji{font-size:1.25rem}.settings-drawer .ai-info-text strong{color:var(--text-main);font-size:.78rem}.settings-drawer .ai-info-desc{font-size:.67rem;line-height:1.35}.settings-drawer-body>.control-row .toggle-wrapper{flex-wrap:wrap;justify-content:flex-end;gap:.7rem}.settings-drawer .checkbox-label{color:var(--text-muted);font-size:.74rem}.settings-drawer .checkbox-label input[type=checkbox]{width:17px;height:17px;border-width:1px;border-color:var(--arena-border-strong, var(--glass-border));border-radius:2px}.settings-drawer .checkbox-label input[type=checkbox]:checked{border-color:rgba(var(--primary-rgb),.62);background:rgba(var(--primary-rgb),.42);box-shadow:inset 0 0 0 3px var(--panel-solid)}.settings-sound-row{flex-direction:row;align-items:center;min-height:54px}.settings-sound-row .sound-toggle{min-width:76px}.settings-file-actions{gap:.45rem}.settings-drawer .settings-file-actions .btn{min-height:40px;padding:.58rem .75rem;border:1px solid var(--arena-border, var(--glass-border));border-radius:3px;background:var(--arena-inset-bg, var(--panel-soft));color:var(--text-muted);font-size:.72rem;font-weight:600;letter-spacing:.04em;box-shadow:none;text-transform:uppercase}.settings-drawer .settings-file-actions .btn:hover{transform:none;border-color:rgba(var(--primary-rgb),.4);color:var(--text-main);box-shadow:none}.settings-drawer .settings-file-actions .btn:disabled{opacity:.34}.settings-theme-row .theme-selector-wrapper{width:100%}.settings-drawer-footer{padding:.7rem .75rem max(.7rem,env(safe-area-inset-bottom));border-top-color:var(--arena-border, var(--glass-border));background:var(--arena-inset-bg, var(--panel-soft));backdrop-filter:none;-webkit-backdrop-filter:none}.settings-drawer-footer .btn{min-height:44px;border:1px solid rgba(var(--primary-rgb),.5);border-radius:3px;background:rgba(var(--primary-rgb),.085);color:var(--text-main);font-size:.76rem;font-weight:700;letter-spacing:.06em;box-shadow:none}.settings-drawer-footer .btn:hover{transform:none;background:rgba(var(--primary-rgb),.12);box-shadow:none}.engine-rank-1{color:#b18a56}.engine-rank-2{color:#989b96}.engine-rank-3{color:#9d7255}@media(max-width:1400px){.arena-topbar{grid-template-columns:minmax(255px,1fr) minmax(380px,2fr) minmax(255px,1fr)}.arena-global-actions{grid-column:1 / -1;justify-content:center;border-top:1px solid var(--glass-border);padding-top:.4rem}}@media(max-width:1240px){.arena-command-center{max-width:1020px;grid-template-columns:repeat(2,minmax(0,1fr))}.arena-board-stage{grid-column:1 / -1;order:1}.arena-competitor-rail{order:2}.arena-intelligence-panel{grid-column:auto;order:3;min-height:420px;height:auto;max-height:none}.command-panel-body{max-height:460px}}@media(max-width:820px){.arena-topbar{grid-template-columns:1fr;gap:.55rem}.arena-brand{text-align:center}.arena-mode-nav{grid-template-columns:repeat(4,minmax(108px,1fr));overflow-x:auto}.arena-global-actions{grid-column:auto;flex-wrap:wrap}.arena-command-center{max-width:760px;grid-template-columns:minmax(0,1fr)}.arena-board-stage{order:1}.arena-competitor-rail{order:2}.arena-intelligence-panel{grid-column:auto;order:3}.arena-competitor-rail .bot-portrait-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.app-container{padding:.5rem;gap:.65rem}.arena-topbar,.arena-competitor-rail,.arena-intelligence-panel{border-radius:4px}.arena-mode-nav{grid-template-columns:repeat(4,minmax(82px,1fr));justify-content:start;scrollbar-width:none}.arena-mode-nav::-webkit-scrollbar{display:none}.arena-global-actions button{flex:1 1 auto}.arena-theme-action{display:none!important}.arena-competitor-rail .bot-portrait-row{grid-template-columns:1fr}.arena-competitor-rail .bot-portrait-card,.arena-competitor-rail .bot-portrait-card.white{min-height:94px}.arena-live-strip{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:.42rem}.arena-live-label{padding-right:.48rem}.arena-live-strip .status-bar{width:100%;min-width:0;overflow:hidden;padding-inline:0}.arena-live-strip .status-bar-text{min-width:0;justify-content:flex-start}.arena-move-counter{padding-top:0}[data-theme=arena] .board-outer-frame,[data-theme=ivory] .board-outer-frame{padding:8px 32px 26px 6px}[data-theme=arena] .coords-top,[data-theme=ivory] .coords-top{padding-left:31px}[data-theme=arena] .coords-left,[data-theme=ivory] .coords-left{width:26px}[data-theme=arena] .board-outer-frame .resize-handle,[data-theme=ivory] .board-outer-frame .resize-handle{display:none}.command-move-history,.arena-intelligence-panel .game-hud-buttons{grid-template-columns:1fr}}.theme-selector-wrapper{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem;width:100%}.theme-btn{width:100%;min-width:0;height:58px;padding:0 .62rem;border-radius:3px;border:1px solid var(--glass-border);background:var(--panel-solid);display:flex;align-items:center;justify-content:flex-start;gap:.55rem;cursor:pointer;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;position:relative;overflow:hidden}.theme-btn:hover{border-color:color-mix(in srgb,var(--theme-primary) 55%,var(--glass-border));background:var(--panel-soft-hover);box-shadow:none}.theme-btn:focus{outline:none}.theme-btn:focus-visible{outline:2px solid color-mix(in srgb,var(--theme-primary) 48%,transparent);outline-offset:1px}.theme-btn.active{border-color:color-mix(in srgb,var(--theme-primary) 65%,var(--glass-border));box-shadow:inset 2px 0 0 var(--theme-primary),inset 0 0 16px color-mix(in srgb,var(--theme-primary) 7%,transparent)}.theme-preview-board{flex:0 0 auto;width:28px;height:28px;border-radius:2px;overflow:hidden;display:grid;grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(2,1fr);border:1px solid color-mix(in srgb,var(--theme-primary) 65%,#777);box-shadow:inset 0 0 0 1px #ffffff14,0 2px 5px #00000024;position:relative}.theme-btn-name{color:var(--text-main);min-width:0;overflow:hidden;font-family:var(--font-main, "Outfit", system-ui, sans-serif);font-size:.74rem;font-weight:600;line-height:1.1;text-align:left;text-overflow:ellipsis;white-space:nowrap}.theme-preview-square{display:block}.theme-preview-square-light{background:var(--theme-board-light)}.theme-preview-square-dark{background:var(--theme-board-dark)}.theme-preview-move{position:absolute;top:50%;left:50%;width:8px;height:8px;transform:translate(-50%,-50%);border-radius:50%;background:var(--theme-secondary);border:1px solid var(--theme-primary);box-shadow:0 0 0 2px #ffffff1f}.controls{gap:20px}