:root{--glass-bg: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1);--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .37);--text-primary: #f8fafc;--text-secondary: #cbd5e1;--accent-color: #00CEC8;--accent-hover: #81DACA;--board-bg: rgba(0, 0, 0, .6);--board-grid: rgba(255, 255, 255, .05)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Outfit,sans-serif;background:linear-gradient(to bottom,#323232,#3f3f3f 40%,#1c1c1c 150%),linear-gradient(to top,#fff6,#00000040 200%);background-blend-mode:multiply;color:var(--text-primary);min-height:100vh;display:flex;justify-content:center;align-items:flex-start;overflow-y:auto}#app{display:flex;flex-direction:column;align-items:center;width:100%;padding:1rem 1rem 2rem;min-height:100vh}.glass-panel{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-radius:0}.game-wrapper{display:flex;flex-direction:column;padding:0;gap:1.5rem;max-width:900px}.main-content{display:flex;flex-direction:row;gap:2rem;justify-content:center;padding:2rem}.board-container{position:relative;background:var(--board-bg);border:2px solid var(--glass-border);border-radius:12px;overflow:hidden;box-shadow:inset 0 0 20px #00000080;width:max-content;height:max-content}#game-canvas{display:block;touch-action:none;background-image:linear-gradient(var(--board-grid) 1px,transparent 1px),linear-gradient(90deg,var(--board-grid) 1px,transparent 1px);background-size:20px 20px}.overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#0f172ad9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:10;transition:opacity .3s ease}.hidden{opacity:0;pointer-events:none}.overlay h2{font-size:1.8rem;font-weight:800;margin-bottom:1rem;text-shadow:0 4px 12px rgba(0,0,0,.5);background:linear-gradient(to right,#ff7b00,#f05);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.overlay p{font-size:1rem;margin-bottom:2rem;color:var(--text-secondary)}#final-score{color:var(--text-primary);font-weight:600}#resume-btn,#restart-btn{width:auto;padding-left:2rem;padding-right:2rem}#save-score-btn{margin-top:.75rem;width:auto;padding-left:2rem;padding-right:2rem}.save-msg{font-size:.85rem;margin-top:.5rem;color:var(--accent-color)}.save-msg.error{color:#f05}.side-panel{display:flex;flex-direction:column;gap:1.5rem;width:150px}.stats-box{background:#0003;border:1px solid var(--glass-border);border-radius:12px;padding:1rem;text-align:center}.stat-label{font-size:.875rem;color:var(--text-secondary);font-weight:600;letter-spacing:1px;margin-bottom:.25rem}.stat-value{font-size:2rem;font-weight:800;color:var(--text-primary)}.next-canvas-wrapper{display:flex;justify-content:center;align-items:center;margin-top:.5rem}#next-canvas{background:#0000004d;border-radius:8px;display:block;width:100%;max-width:120px;height:auto;aspect-ratio:1}#logout-btn{position:absolute!important;top:10px;right:10px;z-index:99}.glass-button{padding:1rem;border-radius:12px;border:1px solid var(--glass-border);background:var(--glass-bg);color:var(--text-primary);font-family:inherit;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;position:relative;overflow:hidden}.glass-button:hover:not(:disabled){background:#ffffff1a;transform:translateY(-2px);box-shadow:0 5px 15px #0003}.glass-button:active:not(:disabled){transform:translateY(0)}.glass-button:disabled{opacity:.5;cursor:not-allowed}.glass-button.primary{background:linear-gradient(135deg,var(--accent-color),var(--accent-hover));border:none;box-shadow:0 4px 15px #6366f166}.glass-button.primary:hover:not(:disabled){box-shadow:0 6px 20px #6366f199}.glass-button.outline{border:1px solid rgba(255,255,255,.2)}.controls-hint{margin-top:1rem;font-size:.875rem;color:var(--text-secondary);display:flex;flex-direction:column;gap:.5rem}.controls-hint p{display:flex;justify-content:space-between;align-items:center}.controls-hint span{background:#ffffff1a;padding:.2rem .5rem;border-radius:4px;font-family:monospace;font-size:.8rem;border:1px solid rgba(255,255,255,.2)}.mobile-controls{display:none;width:100%;gap:1rem;margin-top:1rem;justify-content:space-between}.control-row{display:flex;gap:.5rem}.control-btn{font-size:1.5rem;padding:.5rem 1rem;min-width:60px}.control-btn.action-btn{font-size:1rem;font-weight:800;text-transform:uppercase}.scoreboard{position:relative;width:100%;max-width:900px;margin-top:1.5rem;padding:1.5rem 2rem}.scoreboard-title{font-size:.875rem;font-weight:800;letter-spacing:2px;color:var(--text-secondary);margin-bottom:1rem;text-align:center;text-transform:uppercase}.scoreboard-table{width:100%;border-collapse:collapse;font-size:.9rem}.scoreboard-table th{font-size:.75rem;font-weight:600;letter-spacing:1px;color:var(--text-secondary);text-align:left;padding:.4rem .75rem;border-bottom:1px solid var(--glass-border);text-transform:uppercase}.scoreboard-table td{padding:.6rem .75rem;border-bottom:1px solid var(--glass-border);color:var(--text-primary)}.scoreboard-table td.rank{font-weight:800;color:var(--accent-color);width:2rem}.scoreboard-table td.score-value{font-weight:700;font-variant-numeric:tabular-nums}.scoreboard-table td.date{color:var(--text-secondary);font-size:.8rem}.score-row.empty td{color:var(--text-secondary);opacity:.4}@media(max-width:768px){body{overflow-y:auto;align-items:flex-start}#app{padding-top:1rem;height:auto;min-height:100vh}.game-wrapper{padding:1rem;gap:1rem;align-items:center;border-radius:0;border:none;width:100vw}.main-content{flex-direction:row;gap:1rem;width:100%;justify-content:center;padding:0}.side-panel{width:110px;gap:.75rem}.title{font-size:1.5rem;letter-spacing:1px}.stats-box{padding:.5rem}.stat-label{font-size:.7rem}.stat-value{font-size:1.25rem}.glass-button{padding:.75rem;font-size:.85rem}.controls-hint{display:none}.mobile-controls{display:flex}.scoreboard{padding:1rem;margin-top:1rem}.scoreboard-table th,.scoreboard-table td{padding:.4rem;font-size:.8rem}}