*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--navy: #0f1b2d;--navy2: #162238;--teal: #00c9a7;--teal-dim: rgba(0,201,167,.12);--gold: #f5c842;--coral: #ff6b6b;--purple: #a78bfa;--slate: #8da0b5;--white: #f0f4f8;--card: #162238;--border: rgba(255,255,255,.08);--radius: 14px;--board-color: #00c9a7}body{font-family:Inter,"Noto Color Emoji",sans-serif;background:var(--navy);color:var(--white);min-height:100vh;line-height:1.6}header{display:flex;align-items:center;padding:8px 20px;border-bottom:1px solid var(--border);background:#0f1b2df7;position:sticky;top:0;z-index:200;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.logo{font-family:Syne,sans-serif;font-size:1.2rem;font-weight:800;letter-spacing:-.02em;background:none;border:none;cursor:pointer;color:var(--white);padding:0;margin-right:20px;flex-shrink:0;display:flex;align-items:center}.logo 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12px;margin-top:5px;font-size:.84rem;color:#ccd6e0;line-height:1.7}.ao-breakdown{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}.ao-item{background:#ffffff0a;border:1px solid var(--border);border-radius:6px;padding:4px 8px;font-size:.74rem}.ao-item span{color:var(--teal);font-weight:700}.games-hub{max-width:860px}.games-hero{text-align:center;padding:28px 0 20px}.games-hero h2{font-family:Syne,sans-serif;font-size:2rem;font-weight:800;margin-bottom:8px}.games-hero p{color:var(--slate);font-size:.88rem;max-width:420px;margin:0 auto}.games-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:28px}.game-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px 18px;cursor:pointer;transition:all .2s;text-align:left;position:relative;overflow:hidden}.game-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,rgba(255,255,255,.03),transparent);pointer-events:none}.game-card:hover{transform:translateY(-3px);border-color:var(--game-color, var(--teal))}.game-card .game-icon{font-size:2.2rem;margin-bottom:12px;display:block;color:var(--game-color, var(--teal))}.game-card h3{font-family:Syne,sans-serif;font-size:1rem;font-weight:700;margin-bottom:4px;color:var(--game-color, var(--teal))}.game-card p{font-size:.78rem;color:var(--slate);line-height:1.5}.game-card .game-meta{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:.72rem}.game-card .diff-badge{padding:2px 8px;border-radius:20px;font-weight:700;background:#ffffff0f;color:var(--slate)}.game-card .play-btn{margin-left:auto;padding:5px 12px;border-radius:20px;font-size:.72rem;font-weight:700;border:none;cursor:pointer;background:var(--game-color, var(--teal));color:var(--navy)}.game-wrap{max-width:680px;margin:0 auto}.game-header{display:flex;align-items:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.game-title{font-family:Syne,sans-serif;font-size:1.4rem;font-weight:800}.game-stats{display:flex;align-items:center;gap:12px;margin-left:auto;flex-wrap:wrap}.stat-box{background:var(--card);border:1px solid var(--border);border-radius:9px;padding:6px 14px;font-size:.78rem;font-weight:600;display:flex;align-items:center;gap:6px}.stat-box .stat-val{font-family:Syne,sans-serif;font-size:1rem;font-weight:800}.stat-teal{color:var(--teal)}.stat-gold{color:var(--gold)}.stat-coral{color:var(--coral)}.stat-purple{color:var(--purple)}.flashcard-scene{perspective:1000px;width:100%;max-width:520px;height:280px;margin:0 auto 20px;cursor:pointer}.flashcard{width:100%;height:100%;position:relative;transform-style:preserve-3d;transition:transform .5s cubic-bezier(.4,0,.2,1)}.flashcard.flipped{transform:rotateY(180deg)}.card-face{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;border-radius:18px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px;text-align:center}.card-front{background:linear-gradient(135deg,#1e3a5f,#162238);border:1px solid rgba(0,201,167,.3)}.card-back{background:linear-gradient(135deg,#1a3a2a,#162238);border:1px solid rgba(0,201,167,.5);transform:rotateY(180deg)}.card-face .face-label{font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--slate);margin-bottom:12px;font-weight:600}.card-face .face-content{font-size:1.05rem;line-height:1.6;font-weight:500}.card-face .face-sub{font-size:.78rem;color:var(--slate);margin-top:8px}.card-tap-hint{text-align:center;color:var(--slate);font-size:.78rem;margin-bottom:16px}.card-nav{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:4px}.card-progress{font-size:.8rem;color:var(--slate)}.card-result-btns{display:flex;gap:10px;justify-content:center;margin-top:14px}.btn-got-it{background:#00c9a726;color:var(--teal);border:1px solid var(--teal);border-radius:9px;padding:9px 20px;font-size:.84rem;font-weight:600;cursor:pointer;transition:all .15s}.btn-got-it:hover{background:var(--teal);color:var(--navy)}.btn-missed{background:#ff6b6b1f;color:var(--coral);border:1px solid var(--coral);border-radius:9px;padding:9px 20px;font-size:.84rem;font-weight:600;cursor:pointer;transition:all .15s}.btn-missed:hover{background:var(--coral);color:#fff}.speed-display{background:linear-gradient(135deg,#1e2d45,var(--card));border:1px solid var(--border);border-radius:18px;padding:28px;text-align:center;margin-bottom:18px}.speed-question{font-size:1.05rem;line-height:1.7;margin-bottom:16px;min-height:60px}.speed-input{width:100%;background:#ffffff0d;border:2px solid var(--border);border-radius:10px;padding:12px 16px;color:var(--white);font-size:1rem;font-family:Inter,sans-serif;outline:none;transition:border-color .15s;text-align:center}.speed-input:focus{border-color:var(--teal)}.timer-ring{width:80px;height:80px;margin:0 auto 12px;position:relative}.timer-ring svg{transform:rotate(-90deg)}.timer-ring .ring-bg{fill:none;stroke:var(--border);stroke-width:5}.timer-ring .ring-fg{fill:none;stroke:var(--teal);stroke-width:5;stroke-linecap:round;transition:stroke-dashoffset .1s,stroke .3s}.timer-number{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-family:Syne,sans-serif;font-size:1.3rem;font-weight:800}.speed-feedback{font-size:.85rem;min-height:24px;margin-top:8px;font-weight:600;transition:opacity .2s}.correct-flash{color:var(--teal)}.wrong-flash{color:var(--coral)}.grade-ladder{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}.grade-rung{display:flex;align-items:center;gap:10px;padding:8px 14px;border-radius:9px;background:var(--card);border:1px solid var(--border);font-size:.84rem;transition:all .3s}.grade-rung.current{border-color:var(--gold);background:#f5c84214}.grade-rung.passed{border-color:var(--teal);background:#00c9a70f;opacity:.6}.grade-rung .rung-grade{font-family:Syne,sans-serif;font-size:1.1rem;font-weight:800;width:28px}.grade-rung .rung-bar{flex:1;height:6px;background:var(--border);border-radius:3px;overflow:hidden}.grade-rung .rung-fill{height:100%;border-radius:3px;transition:width .5s ease}.grade-rung .rung-req{font-size:.7rem;color:var(--slate)}.gte-question{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:14px}.gte-q-text{font-size:.97rem;line-height:1.7;margin-bottom:14px}.gte-options{display:grid;grid-template-columns:1fr 1fr;gap:9px}.gte-opt{background:#ffffff0a;border:1px solid var(--border);border-radius:10px;padding:11px 14px;cursor:pointer;font-size:.86rem;transition:all .15s;text-align:left;color:var(--white)}.gte-opt:hover{border-color:var(--purple);background:#a78bfa14}.gte-opt.correct{border-color:var(--teal);background:#00c9a71f;color:var(--teal)}.gte-opt.wrong{border-color:var(--coral);background:#ff6b6b1a;color:var(--coral)}.gte-opt:disabled{cursor:default}.lives-display{display:flex;align-items:center;gap:6px;font-size:1.1rem}.lives-display i{color:var(--coral)}.lives-display i.lost{color:var(--slate);opacity:.4}.scramble-word{font-family:Syne,sans-serif;font-size:2.8rem;font-weight:800;letter-spacing:.2em;text-align:center;padding:28px;background:linear-gradient(135deg,#1e2d45,var(--card));border-radius:18px;margin-bottom:18px;color:var(--gold)}.scramble-clue{text-align:center;color:var(--slate);font-size:.88rem;margin-bottom:16px}.scramble-input{width:100%;background:#ffffff0d;border:2px solid var(--border);border-radius:10px;padding:12px 16px;color:var(--white);font-size:1.1rem;font-family:Syne,sans-serif;outline:none;text-align:center;text-transform:uppercase;letter-spacing:.15em;transition:border-color .15s}.scramble-input:focus{border-color:var(--gold)}.scramble-result{text-align:center;font-size:1.1rem;font-weight:700;padding:12px;border-radius:10px;margin-top:10px;transition:all .2s}.match-area{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:18px}.match-col{display:flex;flex-direction:column;gap:8px}.match-col h4{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--slate);font-weight:600;margin-bottom:4px}.match-item{background:var(--card);border:2px solid var(--border);border-radius:10px;padding:11px 14px;cursor:pointer;font-size:.84rem;transition:all .15s;-webkit-user-select:none;user-select:none}.match-item:hover{border-color:var(--purple)}.match-item.selected{border-color:var(--purple);background:#a78bfa1a;color:var(--purple)}.match-item.matched{border-color:var(--teal);background:#00c9a714;color:var(--teal);cursor:default;opacity:.7}.match-item.wrong-match{border-color:var(--coral);background:#ff6b6b14;animation:shake .3s ease}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.leaderboard{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:18px}.lb-header{display:grid;grid-template-columns:40px 1fr repeat(3,80px);gap:0;padding:10px 16px;background:#ffffff0a;font-size:.7rem;text-transform:uppercase;letter-spacing:.07em;color:var(--slate);font-weight:600}.lb-row{display:grid;grid-template-columns:40px 1fr repeat(3,80px);gap:0;padding:12px 16px;border-top:1px solid var(--border);align-items:center;transition:background .15s}.lb-row:hover{background:#ffffff05}.lb-rank{font-family:Syne,sans-serif;font-size:1rem;font-weight:800}.lb-rank.gold{color:var(--gold)}.lb-rank.silver{color:#9ca3af}.lb-rank.bronze{color:#b87333}.lb-name{font-weight:600;font-size:.88rem}.lb-score{font-family:Syne,sans-serif;font-weight:700;font-size:.9rem;text-align:center}.lb-game{font-size:.75rem;color:var(--slate);text-align:center}.lb-date{font-size:.72rem;color:var(--slate);text-align:center}.lb-empty{padding:32px;text-align:center;color:var(--slate);font-size:.88rem}.new-score-form{background:var(--card);border:1px solid var(--teal);border-radius:var(--radius);padding:20px;margin-bottom:18px;animation:fadeIn .3s ease}.new-score-form h3{font-family:Syne,sans-serif;font-size:1rem;font-weight:700;margin-bottom:14px;color:var(--teal)}.score-input{width:100%;background:#ffffff0d;border:1px solid var(--border);border-radius:9px;padding:10px 14px;color:var(--white);font-family:Inter,sans-serif;font-size:.9rem;outline:none;margin-bottom:10px}.score-input:focus{border-color:var(--teal)}.video-tabs{display:flex;gap:8px;margin-bottom:20px}.vtab{padding:8px 18px;border-radius:20px;border:1px solid var(--border);background:var(--card);color:var(--slate);font-size:.84rem;font-weight:600;cursor:pointer;transition:all .15s}.vtab:hover{color:var(--white);border-color:var(--teal)}.vtab.active{background:var(--teal-dim);color:var(--teal);border-color:var(--teal)}.channel-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:14px;transition:border-color .2s}.channel-card:hover{border-color:var(--teal)}.channel-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:12px}.channel-avatar{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}.channel-info h3{font-family:Syne,sans-serif;font-size:1rem;font-weight:700;margin-bottom:2px}.channel-info p{font-size:.78rem;color:var(--slate);line-height:1.5}.channel-info .channel-desc,.channel-info .channel-desc p{font-size:.78rem;color:var(--slate);line-height:1.5;margin:0}.scramble-clue p{display:inline;margin:0}.channel-link{margin-left:auto;flex-shrink:0;padding:7px 16px;border-radius:20px;background:#ff00001f;color:#ff6b6b;border:1px solid rgba(255,0,0,.25);font-size:.76rem;font-weight:700;text-decoration:none;white-space:nowrap;transition:all .15s}.channel-link:hover{background:#f003}.topic-chips{display:flex;flex-wrap:wrap;gap:7px}.topic-chip{padding:5px 13px;border-radius:18px;background:#ffffff0a;border:1px solid var(--border);color:#ccd6e0;font-size:.75rem;font-weight:500;text-decoration:none;transition:all .15s;cursor:pointer}.topic-chip:hover{border-color:var(--teal);color:var(--teal);background:var(--teal-dim)}.video-note{background:#f5c8420f;border:1px solid rgba(245,200,66,.15);border-radius:10px;padding:12px 16px;font-size:.78rem;color:#d4b84a;margin-bottom:18px}.mock-progress{display:flex;align-items:center;gap:12px;margin-bottom:20px}.progress-bar{flex:1;height:5px;background:var(--border);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:var(--teal);border-radius:3px;transition:width .4s ease}.progress-text{font-size:.76rem;color:var(--slate);white-space:nowrap}.section-title{font-family:Syne,sans-serif;font-size:1.22rem;font-weight:700;margin-bottom:4px}.section-sub{font-size:.84rem;color:var(--slate);margin-bottom:20px}.loading{display:flex;align-items:center;gap:10px;color:var(--slate);font-size:.86rem;padding:12px 0}.spinner{width:17px;height:17px;border:2px solid var(--border);border-top-color:var(--teal);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.center{text-align:center}.mt{margin-top:16px}.mb{margin-bottom:16px}.result-big{font-family:Syne,sans-serif;font-size:3rem;font-weight:800;margin:12px 0}@media(max-width:768px){.main-nav{display:none}.main-content{padding:16px 14px}.section-grid,.games-grid,.topic-grid,.gte-options,.match-area{grid-template-columns:1fr}.home-hero h1{font-size:1.9rem}.board-grid{grid-template-columns:1fr}}.admin-link{font-size:.72rem;color:#fff3;text-decoration:none;padding:5px 8px;border-radius:4px;transition:color .15s;line-height:1}.admin-link:hover{color:#ffffff80}.admin-shell{min-height:100vh;background:var(--bg);color:#ccd6e0;font-family:Segoe UI,system-ui,sans-serif}.admin-header{background:var(--nav);border-bottom:1px solid var(--border);padding:0 24px;height:54px;display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:10}.admin-logo{font-size:1rem;font-weight:700;color:#fff;letter-spacing:-.01em}.admin-logo span{color:var(--coral)}.admin-main{padding:24px;max-width:1100px;margin:0 auto}.admin-tabs{display:flex;gap:2px;border-bottom:1px solid var(--border);margin-bottom:24px}.admin-tab{padding:8px 16px;background:none;border:none;border-bottom:2px solid transparent;color:var(--slate);cursor:pointer;font-size:.86rem;margin-bottom:-1px;transition:color .15s,border-color .15s}.admin-tab:hover{color:#ccd6e0}.admin-tab.active{color:var(--teal);border-bottom-color:var(--teal)}.admin-table{width:100%;border-collapse:collapse;font-size:.85rem}.admin-table th{text-align:left;padding:8px 12px;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--slate);border-bottom:1px solid var(--border);font-weight:600}.admin-table td{padding:9px 12px;border-bottom:1px solid rgba(255,255,255,.04);vertical-align:middle}.admin-table tr:hover td{background:#ffffff05}.admin-actions{display:flex;gap:6px}.btn-edit{padding:4px 10px;background:#0096c71f;border:1px solid rgba(0,150,199,.25);border-radius:6px;color:#4ab8d8;font-size:.76rem;cursor:pointer;transition:background .15s}.btn-edit:hover{background:#0096c733}.btn-delete{padding:4px 10px;background:#ff6b6b14;border:1px solid rgba(255,107,107,.2);border-radius:6px;color:var(--coral);font-size:.76rem;cursor:pointer;transition:background .15s}.btn-delete:hover{background:#ff6b6b29}.btn-add{padding:8px 16px;background:var(--teal);border:none;border-radius:8px;color:#fff;font-size:.84rem;cursor:pointer;font-weight:600;transition:opacity .15s}.btn-add:hover{opacity:.88}.btn-add:disabled{opacity:.5;cursor:default}.admin-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b8;z-index:200;display:flex;align-items:center;justify-content:center;padding:16px}.admin-modal{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;width:min(620px,100%);max-height:90vh;overflow-y:auto}.admin-modal h3{margin:0 0 18px;font-size:1rem;color:#fff}.admin-field{margin-bottom:14px}.admin-field label,.admin-field .admin-label{display:block;font-size:.76rem;color:var(--slate);margin-bottom:4px;font-weight:500}.icon-picker{position:relative}.icon-picker-toggle{display:flex;align-items:center;gap:8px;width:100%;box-sizing:border-box;background:#ffffff0d;border:1px solid var(--border);border-radius:8px;padding:8px 12px;color:#ccd6e0;font-size:.84rem;cursor:pointer}.icon-picker-current{min-width:18px;text-align:center;color:var(--teal)}.icon-picker-label{flex:1;text-align:left;color:var(--slate)}.icon-picker-grid{position:absolute;z-index:30;top:calc(100% + 4px);left:0;right:0;display:grid;grid-template-columns:repeat(9,1fr);gap:2px;background:var(--card, #16223a);border:1px solid var(--border);border-radius:10px;padding:8px;max-height:200px;overflow-y:auto;box-shadow:0 10px 30px #00000073}.icon-picker-grid button{background:none;border:none;border-radius:6px;color:#ccd6e0;font-size:.95rem;padding:7px 0;cursor:pointer}.icon-picker-grid button:hover{background:#ffffff14}.icon-picker-grid button.active{background:#00c9a72e;color:var(--teal)}.rgba-picker{display:flex;align-items:center;gap:10px}.rgba-picker input[type=color]{width:36px;height:28px;padding:0;border:1px solid var(--border);border-radius:6px;background:none;cursor:pointer}.rgba-picker input[type=range]{flex:1;accent-color:var(--teal)}.rgba-swatch{width:24px;height:24px;border-radius:6px;border:1px solid var(--border);flex-shrink:0}.rgba-value{font-family:Courier New,monospace;font-size:.74rem;color:var(--slate);white-space:nowrap}.admin-table .drag-handle{width:26px;color:var(--slate);cursor:grab;text-align:center}.admin-table tr[draggable=true]:active .drag-handle{cursor:grabbing}.admin-table tr.drag-over td{border-top:2px solid var(--teal)}.admin-field input,.admin-field select,.admin-field textarea{width:100%;box-sizing:border-box;background:#ffffff0d;border:1px solid var(--border);border-radius:8px;padding:8px 12px;color:#ccd6e0;font-size:.84rem;outline:none;transition:border-color .15s}.admin-field input:focus,.admin-field select:focus,.admin-field textarea:focus{border-color:var(--teal)}.admin-field textarea{min-height:80px;resize:vertical;font-family:Courier New,monospace}.admin-field select option{background:#1a2332}.admin-login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.admin-login-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:32px;width:min(380px,95vw)}