:root{--bg: #f5f3ff;--card-bg: #ffffff;--primary: #7c3aed;--primary-dark: #5b21b6;--accent: #f59e0b;--danger: #ef4444;--success: #10b981;--text: #1f2937;--muted: #6b7280;--border: #e5e7eb;font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:linear-gradient(180deg,#ede9fe,#f5f3ff);color:var(--text)}.app-shell{height:100dvh;display:flex;flex-direction:column;overflow:hidden}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--primary);color:#fff;flex-wrap:wrap;gap:8px}.top-bar-title{font-weight:700;font-size:1.1rem;cursor:pointer}.top-bar-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.top-bar-num{font-weight:600;background:#fff3;padding:4px 10px;border-radius:999px;font-size:.9rem}.top-bar-num-btn{border:none;color:inherit;font-family:inherit;cursor:pointer}.top-bar-num-btn:hover{background:#ffffff59}.app-main{flex:1;min-height:0;overflow-y:auto;padding:24px;max-width:1400px;margin:0 auto;width:100%;display:flex;flex-direction:column}.app-main.app-main-wide{max-width:none}.screen h1{margin-top:0;flex:0 0 auto}.screen.play-screen{flex:1;min-height:0;display:flex;flex-direction:column}.hint-text{color:var(--muted);font-size:.9rem}.error-text{color:var(--danger);font-weight:600}button{font-family:inherit;cursor:pointer}.btn-primary{background:var(--primary);color:#fff;border:none;padding:10px 18px;border-radius:10px;font-weight:600;font-size:1rem}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{background:#c4b5fd;cursor:not-allowed}.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.6);color:inherit;padding:8px 14px;border-radius:10px;text-decoration:none;font-size:.9rem}.top-bar .btn-ghost{color:#fff}.teacher-content .btn-ghost,.editor .btn-ghost,.screen .btn-ghost{border-color:var(--border);color:var(--text)}.btn-danger{background:var(--danger);color:#fff;border:none;padding:6px 12px;border-radius:8px}.btn-danger-icon{background:transparent;border:none;color:var(--danger);font-size:1.1rem}.btn-large{font-size:1.3rem;padding:16px 32px}.number-login{text-align:center}.number-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(70px,1fr));gap:12px;margin-top:20px}.number-btn{aspect-ratio:1;border-radius:14px;border:none;background:#fff;box-shadow:0 2px 6px #0000001a;font-size:1.4rem;font-weight:700;color:var(--primary-dark)}.number-btn:hover{background:var(--primary);color:#fff;transform:scale(1.05)}.game-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.game-card{background:var(--card-bg);border-radius:16px;padding:18px;box-shadow:0 2px 8px #00000014;cursor:pointer;transition:transform .15s ease}.game-card:hover{transform:translateY(-4px)}.game-card-meta{color:var(--muted);margin:4px 0}.game-card-best{font-weight:600;color:var(--primary-dark)}.play-ready{text-align:center;padding:40px 0}.play-header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex:0 0 auto;padding:2px 2px 6px}.play-header-title{font-weight:700;font-size:1rem;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.score-hud{display:flex;align-items:center;gap:6px;flex:0 0 auto}.score-badge{background:#fff;border-radius:999px;padding:4px 12px;font-weight:700;font-size:.85rem;box-shadow:0 1px 4px #0000001a;color:var(--primary-dark);white-space:nowrap}.score-badge.combo-badge{color:var(--accent)}.score-badge.speed-badge{color:#3b82f6}.floater-layer{position:relative;height:0}.floater{position:absolute;left:50%;top:-10px;transform:translate(-50%);font-weight:800;font-size:1.4rem;animation:floatUp .9s ease forwards;pointer-events:none;white-space:nowrap}.floater-combo{color:var(--accent)}.floater-speed{color:#3b82f6}.floater-gain{color:var(--success)}.floater-wrong{color:var(--danger)}@keyframes floatUp{0%{opacity:0;transform:translate(-50%,10px) scale(.8)}20%{opacity:1;transform:translate(-50%,-10px) scale(1.1)}to{opacity:0;transform:translate(-50%,-60px) scale(1)}}.play-board{flex:1;min-height:0;display:flex;flex-direction:column}.card-grid{flex:1;min-height:260px;display:grid;gap:clamp(6px,1vw,14px);margin-top:16px}.card-grid.scrollable{overflow-y:auto;align-content:start}.card{position:relative;padding:clamp(6px,1.2vmin,14px) clamp(4px,1vmin,10px);border-radius:14px;border:2px solid var(--border);background:#fff;line-height:1.2;font-weight:600;display:flex;align-items:center;justify-content:center;text-align:center;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease,background .15s ease;overflow:hidden}.card-text-box{width:100%;height:100%;display:flex;align-items:center;justify-content:center;overflow:hidden}.card-text{word-break:break-word;white-space:normal}.card.term{background:#eef2ff}.card.answer{background:#fff7ed}.card.selected{border-color:var(--primary);transform:scale(1.05);box-shadow:0 0 0 3px #7c3aed4d}.card.matched{opacity:.25;pointer-events:none}.card.wrong-flash{animation:shake .4s ease;border-color:var(--danger);background:#fee2e2}.card.hinted{animation:pulse 1s ease infinite;border-color:var(--accent)}.hint-badge{position:absolute;top:-8px;right:-8px;background:var(--accent);color:#fff;border-radius:999px;font-size:.7rem;padding:2px 6px}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}@keyframes pulse{0%,to{box-shadow:0 0 #f59e0b80}50%{box-shadow:0 0 0 6px #f59e0b00}}.mode-picker{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;max-width:760px;margin:20px auto 0}.mode-option{display:flex;flex-direction:column;align-items:center;gap:6px;padding:22px 18px;border:2px solid var(--border);border-radius:16px;background:#fff;box-shadow:0 2px 8px #00000014;color:var(--text);transition:transform .15s ease,border-color .15s ease}.mode-option:hover{transform:translateY(-4px);border-color:var(--primary)}.mode-icon{font-size:2.2rem}.mode-label{font-size:1.25rem;font-weight:800;color:var(--primary-dark)}.mode-desc{font-size:.9rem;color:var(--muted);line-height:1.4}.rush-progress{flex:0 0 auto;height:6px;border-radius:999px;background:#7c3aed26;overflow:hidden}.rush-progress-fill{height:100%;background:var(--primary);transition:width .3s ease}.rush-grid{flex:1;min-height:260px;display:grid;grid-template-columns:1fr 1fr;grid-auto-flow:column;gap:clamp(8px,1.5vmin,16px);margin-top:16px}.rush-card{position:relative;padding:clamp(8px,1.5vmin,16px);border-radius:14px;border:2px solid var(--border);background:#fff;color:var(--text);line-height:1.25;font-weight:700;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;animation:rushEnter .25s ease;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.rush-card.left{background:#84cc16;border-color:#65a30d;color:#fff}.rush-card.right{background:#fafafa}.rush-card.empty{background:transparent;border:2px dashed var(--border);animation:none}.rush-card.selected{border-color:var(--primary);transform:scale(1.03);box-shadow:0 0 0 4px #7c3aed59}.rush-card.left.selected{background:#65a30d}.rush-card.right.selected{background:#ede9fe}.rush-card.wrong-flash{animation:shake .4s ease;border-color:var(--danger);background:#fee2e2;color:var(--text)}.rush-card.hinted{animation:pulse 1s ease infinite;border-color:var(--accent)}.rush-card.clearing{animation:rushClear .26s ease forwards;pointer-events:none}@keyframes rushEnter{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}@keyframes rushClear{to{opacity:0;transform:scale(.8)}}.lives-badge{display:inline-flex;gap:2px}.lives-badge .heart.lost{opacity:.45;animation:heartLost .5s ease}@keyframes heartLost{0%{transform:scale(1.6)}to{transform:scale(1)}}.fall-sky{--word-h: clamp(60px, 12vmin, 100px);position:relative;flex:1;min-height:200px;margin-top:12px;border-radius:16px;background:linear-gradient(180deg,#e0f2fe,#f0f9ff 70%,#fef3c7);border-bottom:3px dashed #f59e0b;overflow:hidden}.fall-track{position:absolute;top:0;left:0;right:0;bottom:var(--word-h);animation-name:fallDown;animation-timing-function:linear;animation-fill-mode:forwards;pointer-events:none}.fall-track.caught,.fall-track.wrong{animation-play-state:paused}@keyframes fallDown{0%{transform:translateY(0)}to{transform:translateY(100%)}}.fall-word{position:absolute;top:0;width:min(46%,340px);height:var(--word-h);padding:6px 14px;border-radius:16px;background:#84cc16;border:3px solid #65a30d;color:#fff;font-weight:800;line-height:1.2;text-align:center;display:flex;align-items:center;justify-content:center;transform:translate(-50%);box-shadow:0 6px 14px #00000026;transition:left .35s ease,transform .35s ease,opacity .35s ease}.fall-word.caught{transform:translate(-50%) translateY(40%) scale(.5);opacity:0}.fall-word.wrong,.fall-word.missed{background:#fca5a5;border-color:var(--danger);color:#7f1d1d}.fall-word.wrong{animation:fallShake .4s ease}@keyframes fallShake{0%,to{transform:translate(-50%)}25%{transform:translate(calc(-50% - 8px))}75%{transform:translate(calc(-50% + 8px))}}.fall-baskets{flex:0 0 auto;height:clamp(110px,28vh,220px);display:grid;gap:clamp(8px,1.5vmin,16px);margin-top:10px}.fall-basket{position:relative;padding:22px 12px 12px;border:3px solid #b45309;border-top-width:6px;border-radius:10px 10px 28px 28px;background:repeating-linear-gradient(135deg,#fde68a 0,#fde68a 10px,#fcd34d 10px,#fcd34d 20px);color:#451a03;font-weight:700;line-height:1.25;text-align:center;display:flex;align-items:center;justify-content:center;overflow:hidden;animation:rushEnter .25s ease;transition:transform .12s ease,box-shadow .12s ease}.fall-basket:hover{transform:translateY(-3px)}.fall-basket:active{transform:scale(.97)}.fall-basket-num{position:absolute;top:3px;left:8px;font-size:.75rem;font-weight:800;color:#92400e;opacity:.7}.fall-basket.correct{border-color:var(--success);background:#bbf7d0;box-shadow:0 0 0 4px #10b98159}.fall-basket.wrong{animation:shake .4s ease;border-color:var(--danger);background:#fee2e2}.fall-basket.reveal{border-color:var(--success);background:#bbf7d0;animation:revealPulse .6s ease infinite}@keyframes revealPulse{0%,to{box-shadow:0 0 #10b98199}50%{box-shadow:0 0 0 8px #10b98100}}.result-gameover{font-size:1.1rem;font-weight:700;color:var(--danger)}.result-screen{text-align:center;padding:20px 0}.result-combo{font-size:1.2rem;color:var(--accent);font-weight:700}.leaderboard{max-width:320px;margin:20px auto;text-align:left;background:#fff;border-radius:14px;padding:16px 20px;box-shadow:0 2px 8px #00000014}.leaderboard ol{padding-left:20px}.leaderboard li.me{font-weight:800;color:var(--primary-dark)}.result-actions{display:flex;gap:12px;justify-content:center;margin-top:20px}.teacher-gate{text-align:center;max-width:320px;margin:60px auto}.pin-form{display:flex;gap:8px;justify-content:center;margin:20px 0}.pin-form input{padding:10px;border-radius:8px;border:1px solid var(--border);font-size:1.2rem;width:120px;text-align:center}.teacher-shell{display:flex;gap:24px;flex:1;min-height:0}.teacher-nav{display:flex;flex-direction:column;gap:6px;min-width:150px}.teacher-nav a{padding:10px 14px;border-radius:10px;text-decoration:none;color:var(--text);font-weight:600}.teacher-nav a.active{background:var(--primary);color:#fff}.teacher-content{flex:1;min-width:0;min-height:0;display:flex;flex-direction:column}.teacher-table,.history-table,.preview-table{width:100%;border-collapse:collapse;margin:12px 0;background:#fff;border-radius:10px;overflow:hidden}.teacher-table th,.teacher-table td,.history-table th,.history-table td,.preview-table th,.preview-table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left}.teacher-table tr.best-row,.history-table tr.best-row{background:#fef3c7}.teacher-table tr.mission-row{background:#fff7ed}.btn-mission-icon{background:transparent;border:none;font-size:1.1rem;cursor:pointer;color:var(--accent)}.btn-mission-icon.active{filter:drop-shadow(0 0 2px var(--accent))}.mission-toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:#fff7ed;border:1px solid var(--accent);border-radius:12px;padding:10px 16px;margin-bottom:16px}.mission-toolbar-label{font-weight:700}.mission-field{display:inline-flex;align-items:center;gap:6px}.mission-toolbar input[type=date]{width:auto}.mission-toolbar input{width:80px;padding:6px 8px;border-radius:8px;border:1px solid var(--border)}.mission-card{border:2px solid var(--accent);background:#fffbeb;position:relative}.mission-badge{display:inline-block;background:var(--accent);color:#fff;font-size:.75rem;font-weight:600;padding:2px 8px;border-radius:999px;margin-bottom:6px}.mission-card-head{display:flex;align-items:center;justify-content:space-between;gap:6px;flex-wrap:wrap;margin-bottom:6px}.mission-card-head .mission-badge{margin-bottom:0}.mission-goal{font-size:.8rem;font-weight:700;color:#b45309}.mission-success-badge{background:var(--success);color:#fff;font-size:.8rem;font-weight:800;padding:2px 10px;border-radius:999px;animation:pulse 1.6s ease infinite}.mission-card.mission-done{border-color:var(--success);background:#ecfdf5}.mission-success-banner{display:inline-block;background:var(--success);color:#fff;font-size:1.2rem;font-weight:800;padding:8px 20px;border-radius:999px;margin:0 0 4px}.mission-status h3{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.mission-state,.mission-count{font-size:.8rem;font-weight:700;padding:2px 10px;border-radius:999px}.mission-state-active{background:#dcfce7;color:#166534}.mission-state-upcoming{background:#e0f2fe;color:#075985}.mission-state-ended{background:#f3f4f6;color:var(--muted)}.mission-count{background:#fff7ed;color:#b45309}.mission-status{margin-bottom:20px}.mission-status-list{list-style:none;margin:8px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px}.mission-status-list li{display:flex;align-items:baseline;gap:6px;padding:8px 12px;border-radius:10px;background:var(--card-bg);border:1px solid var(--border)}.mission-status-list li.done{background:#fff7ed;border-color:var(--accent)}.mission-status-number{font-weight:600}.mission-status-name{color:var(--muted);font-size:.9rem}.mission-status-result{margin-left:auto;font-weight:600}.mission-status-list li.done .mission-status-result{color:var(--accent)}.mission-status-list li.not-done .mission-status-result{color:var(--muted);font-weight:400}.table-actions{display:flex;gap:6px;flex-wrap:nowrap;justify-content:flex-end}.table-scroll{overflow-x:auto}.btn-sm{padding:6px 12px;font-size:.88rem;white-space:nowrap}.teacher-table th{white-space:nowrap}.table-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}.sort-toggle{display:flex;gap:8px}.editor .field{display:block;margin-bottom:16px}.editor .field span,.settings .field span{display:block;font-weight:600;margin-bottom:6px}.editor input[type=text],.editor input:not([type]),.editor textarea,.settings select{width:100%;padding:8px 10px;border-radius:8px;border:1px solid var(--border);font-size:1rem}.editor textarea{font-family:Consolas,monospace}.preview-table input{width:100%;border:1px solid transparent;padding:4px 6px;border-radius:6px;background:transparent}.preview-table input:focus{border-color:var(--primary);background:#fff}.error-box{background:#fee2e2;color:#991b1b;padding:10px 14px;border-radius:8px;margin:10px 0}.editor-actions{display:flex;gap:12px;margin-top:16px}.bar-chart{display:flex;flex-direction:column;gap:8px;margin:12px 0 24px}.bar-row{display:grid;grid-template-columns:140px 1fr 60px;align-items:center;gap:8px}.bar-label{font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bar-track{background:var(--border);border-radius:999px;height:14px;overflow:hidden}.bar-fill{background:linear-gradient(90deg,var(--primary),var(--accent));height:100%;border-radius:999px}.bar-value{font-weight:700;text-align:right}.tip-box{background:#eff6ff;color:#1e40af;border-radius:10px;padding:10px 14px;font-size:.9rem}.student-count-field{max-width:320px}.student-count-input{display:flex;align-items:center;gap:8px}.student-count-input input{width:90px;padding:8px;border-radius:8px;border:1px solid var(--border)}.name-list-textarea{width:100%;font-family:Consolas,monospace;font-size:1rem;line-height:1.6;padding:12px;border-radius:10px;border:1px solid var(--border);margin-top:12px}.pin-change-form{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px}.pin-change-form .field{margin-bottom:0}.pin-change-form input{width:140px;padding:8px 10px;border-radius:8px;border:1px solid var(--border)}.teacher-test-play{display:flex;flex-direction:column;flex:1;min-height:0}.test-mode-banner{background:#fef3c7;color:#92400e;font-weight:700;padding:8px 14px;border-radius:10px;margin-bottom:10px;text-align:center;flex:0 0 auto}.teacher-test-play .play-board{flex:1;min-height:0}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#1118278c;display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}.modal-box{background:#fff;color:var(--text);border-radius:16px;padding:24px;max-width:360px;width:100%;text-align:center;box-shadow:0 10px 30px #0003}.modal-box h2{margin-top:0}.modal-box .btn-ghost{color:var(--text);border-color:var(--border)}@media (max-width: 640px){.teacher-shell{flex-direction:column}.teacher-nav{flex-direction:row;flex-wrap:wrap}.namemap-backup{grid-template-columns:1fr}.pin-change-form input{width:100%}}.mission-toolbar select{padding:6px 8px;border-radius:8px;border:1px solid var(--border);background:#fff;font-family:inherit}.mission-goal-text{margin:0 0 6px;font-size:.85rem;font-weight:700;color:#b45309}.mode-option.mission-mode{position:relative;border-color:var(--accent);background:#fffbeb}.mode-mission-badge{position:absolute;top:-10px;right:12px}