@import "https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Outfit:wght@300;400;500;600;700;800&display=swap";:root{--font-sans:"Outfit", sans-serif;--font-display:"Orbitron", sans-serif;--bg-color:#060913;--panel-bg:#0d1224bf;--panel-border:#ffffff12;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#475569;--color-x:#00f2fe;--color-x-rgb:0, 242, 254;--color-x-glow:#00f2fe66;--color-o:#ff2a85;--color-o-rgb:255, 42, 133;--color-o-glow:#ff2a8566;--color-active:#05ff9b;--color-active-rgb:5, 255, 155;--color-active-glow:#05ff9b59;--accent-purple:#8b5cf6;--accent-amber:#f59e0b}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-color);color:var(--text-primary);background-image:radial-gradient(circle at 10% 20%,#8b5cf61a 0%,#0000 40%),radial-gradient(circle at 90% 80%,#00f2fe14 0%,#0000 40%),radial-gradient(circle,#080d22 0%,#03050c 100%);background-attachment:fixed;min-height:100vh;overflow-x:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#ffffff05}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#fff3}.glass-panel{background:var(--panel-bg);border:1px solid var(--panel-border);-webkit-backdrop-filter:blur(16px)saturate(140%);border-radius:16px;box-shadow:0 10px 40px -10px #00000080}.glass-panel-interactive{transition:all .3s cubic-bezier(.25,.8,.25,1)}.glass-panel-interactive:hover{border-color:#ffffff26;transform:translateY(-2px);box-shadow:0 15px 45px -10px #000000b3,0 0 15px #ffffff05}h1,h2,h3,.font-display{font-family:var(--font-display);letter-spacing:.05em;font-weight:700}.app-container{flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:1.5rem;display:flex;position:relative}.fade-in{animation:.4s cubic-bezier(.16,1,.3,1) forwards fadeIn}@keyframes 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#8b5cf64d);-webkit-background-clip:text;margin-bottom:.5rem;font-size:2.2rem;font-weight:900}.logo-sub{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.3em;margin-bottom:1.5rem;font-size:.85rem}.menu-buttons{flex-direction:column;gap:1rem;display:flex}.btn{color:var(--text-primary);cursor:pointer;font-size:1rem;font-weight:600;font-family:var(--font-sans);background:#ffffff08;border:1px solid #ffffff14;border-radius:12px;justify-content:center;align-items:center;gap:.75rem;padding:1rem 1.5rem;transition:all .2s;display:flex}.btn:hover{background:#ffffff14;border-color:#fff3}.btn-primary{color:var(--color-x);background:linear-gradient(135deg,#00f2fe26 0%,#8b5cf626 100%);border:1px solid #00f2fe66;box-shadow:0 4px 15px #00f2fe1a}.btn-primary:hover{border-color:var(--color-x);background:linear-gradient(135deg,#00f2fe40 0%,#8b5cf640 100%);transform:translateY(-1px);box-shadow:0 4px 20px #00f2fe40}.btn-secondary{color:var(--color-o);background:linear-gradient(135deg,#ff2a851f 0%,#8b5cf61f 100%);border:1px solid #ff2a8566;box-shadow:0 4px 15px #ff2a851a}.btn-secondary:hover{border-color:var(--color-o);background:linear-gradient(135deg,#ff2a8538 0%,#8b5cf638 100%);transform:translateY(-1px);box-shadow:0 4px 20px #ff2a8540}.btn-icon-only{border-radius:10px;padding:.75rem}.online-form{text-align:left;border-top:1px solid #ffffff0f;flex-direction:column;gap:1.25rem;margin-top:1rem;padding-top:1.5rem;display:flex}.form-group{flex-direction:column;gap:.5rem;display:flex}.form-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem;font-weight:500}.form-input-container{gap:.5rem;display:flex}.input-text{border:1px solid var(--panel-border);color:var(--text-primary);font-size:1rem;font-family:var(--font-sans);background:#00000040;border-radius:10px;outline:none;flex:1;padding:.85rem 1rem;transition:all .2s}.input-text:focus{border-color:#8b5cf680;box-shadow:0 0 10px #8b5cf626}.room-code-display{background:#00000040;border:1px dashed #ffffff26;border-radius:10px;justify-content:space-between;align-items:center;padding:1rem;display:flex}.room-code-text{font-family:var(--font-display);letter-spacing:.1em;color:var(--color-x);font-size:1.5rem;font-weight:700}.game-layout{flex-direction:column;align-items:center;gap:1.5rem;width:100%;max-width:992px;display:flex}.game-header{justify-content:space-between;align-items:center;width:100%;padding:.75rem 1.25rem;display:flex}.game-header-left{align-items:center;gap:1rem;display:flex}.game-main-area{grid-template-columns:1fr;gap:2rem;width:100%;display:grid}@media (width>=900px){.game-main-area{grid-template-columns:1fr 340px}}.board-container-wrapper{flex-direction:column;justify-content:center;align-items:center;width:100%;max-width:620px;margin:0 auto;display:flex}.macro-board{aspect-ratio:1;background:#ffffff05;border:2px solid #ffffff0f;border-radius:20px;grid-template-columns:repeat(3,1fr);gap:12px;width:100%;padding:12px;display:grid;position:relative;box-shadow:0 20px 50px #0009}.micro-board{aspect-ratio:1;background:#00000059;border:1px solid #ffffff0a;border-radius:12px;grid-template-columns:repeat(3,1fr);gap:4px;padding:6px;transition:all .3s;display:grid;position:relative}.micro-board.active{border-color:var(--color-active);box-shadow:0 0 15px var(--color-active-glow), inset 0 0 10px #05ff9b0d;background:#05ff9b05;animation:2s ease-in-out infinite borderPulse}@keyframes borderPulse{0%,to{border-color:#05ff9b80;box-shadow:0 0 8px #05ff9b33}50%{border-color:#05ff9b;box-shadow:0 0 18px #05ff9b80,inset 0 0 8px #05ff9b1a}}.micro-board.inactive{opacity:.65}.cell{cursor:pointer;aspect-ratio:1;background:#ffffff05;border:1px solid #ffffff08;border-radius:6px;justify-content:center;align-items:center;padding:0;transition:all .15s cubic-bezier(.4,0,.2,1);display:flex;position:relative}.cell:focus{outline:none}.micro-board.active .cell:not(:disabled):hover{background:#ffffff12;border-color:#fff3;transform:scale(1.05);box-shadow:0 4px 10px #0000004d}.micro-board.active .cell:not(:disabled):active{transform:scale(.95)}.cell-icon{stroke-width:2.5px;width:60%;height:60%;transition:all .3s cubic-bezier(.175,.885,.32,1.275);animation:.25s cubic-bezier(.175,.885,.32,1.275) forwards popIn}@keyframes popIn{0%{opacity:0;transform:scale(0)}70%{transform:scale(1.15)}to{opacity:1;transform:scale(1)}}.board-win-overlay{z-index:5;-webkit-backdrop-filter:blur(2px);border-radius:12px;justify-content:center;align-items:center;width:100%;height:100%;animation:.35s cubic-bezier(.175,.885,.32,1.275) forwards overlayPop;display:flex;position:absolute;top:0;left:0}@keyframes overlayPop{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}.board-win-overlay.win-x{background:#00f2fe14;border:1px solid #00f2fe4d}.board-win-overlay.win-o{background:#ff2a8514;border:1px solid #ff2a854d}.board-win-overlay.win-t{background:#ffffff08;border:1px solid #ffffff1a}.board-win-icon{width:60%;height:60%;filter:drop-shadow(0 0 12px var(--glow-color))}.board-win-overlay.win-x .board-win-icon{--glow-color:var(--color-x-glow)}.board-win-overlay.win-o .board-win-icon{--glow-color:var(--color-o-glow)}.board-win-text{font-family:var(--font-display);color:var(--text-secondary);opacity:.4;font-size:2.5rem;font-weight:900}.status-panel{flex-direction:column;gap:1rem;width:100%;padding:1.5rem;display:flex}.status-row{justify-content:space-between;align-items:center;display:flex}.player-turn-indicator{align-items:center;gap:1rem;display:flex}.player-badge{background:#ffffff05;border:1px solid #ffffff0a;border-radius:8px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-weight:600;transition:all .3s;display:flex}.player-badge.active.badge-x{border-color:var(--color-x);box-shadow:0 0 10px var(--color-x-glow);background:#00f2fe14}.player-badge.active.badge-o{border-color:var(--color-o);box-shadow:0 0 10px var(--color-o-glow);background:#ff2a8514}.chat-container{flex-direction:column;width:100%;height:320px;display:flex}.chat-header{border-bottom:1px solid #ffffff0f;align-items:center;gap:.5rem;padding:.85rem 1rem;font-size:.9rem;font-weight:600;display:flex}.chat-messages{flex-direction:column;flex:1;gap:.75rem;padding:1rem;display:flex;overflow-y:auto}.chat-message-bubble{word-break:break-word;border-radius:10px;max-width:85%;padding:.6rem .85rem;font-size:.9rem;line-height:1.4}.chat-message-bubble.me{color:var(--text-primary);background:#00f2fe1a;border:1px solid #00f2fe33;align-self:flex-end}.chat-message-bubble.them{color:var(--text-primary);background:#ff2a850f;border:1px solid #ff2a8526;align-self:flex-start}.chat-message-bubble.system{color:var(--text-secondary);text-align:center;background:#ffffff05;border:1px solid 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.2s;display:flex;position:absolute;top:1rem;right:1rem}.modal-close-btn:hover{color:var(--text-primary);background:#ffffff0d}.rules-section{flex-direction:column;gap:1.25rem;margin-top:1.5rem;line-height:1.6;display:flex}.rules-step{align-items:flex-start;gap:1rem;display:flex}.rules-num{font-family:var(--font-display);color:#a78bfa;background:#8b5cf626;border:1px solid #8b5cf666;border-radius:50%;justify-content:center;align-items:center;min-width:32px;height:32px;font-size:1.1rem;font-weight:700;display:flex}.rules-text{color:var(--text-secondary);font-size:.95rem}.rules-text strong{color:var(--text-primary)}.rule-diagram{background:#0003;border:1px solid #ffffff0d;border-radius:10px;justify-content:center;align-items:center;gap:1rem;margin:.5rem 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(width>=900px){.side-tools-container{max-width:100%;height:100%}}.move-log-panel{flex-direction:column;width:100%;height:240px;padding:1rem;display:flex}.history-item{color:var(--text-secondary);border-bottom:1px solid #ffffff05;gap:.5rem;padding-bottom:.25rem;font-size:.8rem;display:flex}.history-item:last-child{border-bottom:none;padding-bottom:0}.history-badge{font-family:var(--font-display);border-radius:4px;padding:0 .35rem;font-weight:700}.history-badge.x{color:var(--color-x);background:#00f2fe1a}.history-badge.o{color:var(--color-o);background:#ff2a851a}.mini-board-grid{background:#ffffff0d;border-radius:6px;grid-template-columns:repeat(3,1fr);gap:3px;width:75px;height:75px;padding:4px;display:grid}.mini-grid-cell{background:#ffffff05;border:1px solid #ffffff0d;border-radius:3px}.mini-grid-cell.highlight{border-color:var(--color-active);box-shadow:0 0 5px var(--color-active-glow);background:#05ff9b4d}.mini-grid-cell.highlight-p{border-color:var(--color-x);background:#00f2fe59}.arrow-indicator{color:var(--text-secondary);font-size:1.5rem}.tooltip-copied{color:#03050c;z-index:10;pointer-events:none;background:#05ff9bf2;border-radius:4px;padding:.25rem .5rem;font-size:.75rem;font-weight:700;animation:1.5s forwards tooltipFade;position:absolute;top:-30px;left:50%;transform:translate(-50%)}@keyframes tooltipFade{0%{opacity:0;transform:translate(-50%,5px)}10%,80%{opacity:1;transform:translate(-50%)}to{opacity:0;transform:translate(-50%,-10px)}}.sound-toggle{opacity:.5;z-index:10;transition:opacity .2s;position:absolute;bottom:1.5rem;right:1.5rem}.sound-toggle:hover{opacity:1}.btn-success{color:var(--color-active);background:linear-gradient(135deg,#05ff9b1f 0%,#8b5cf61f 100%);border:1px solid #05ff9b66;box-shadow:0 4px 15px #05ff9b1a}.btn-success:hover{border-color:var(--color-active);background:linear-gradient(135deg,#05ff9b38 0%,#8b5cf638 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