:root{--bg: #F4F6F9;--primary: #2FA4A9;--secondary: #4A6FA5;--accent: #ffe66d;--dark: #1A1E2E;--shadow: 0 2px 12px rgba(0,0,0,.09);--radius: 16px;--color-brand-primary: #2FA4A9;--color-brand-nav: #2C3E63;--color-action-primary: #2FA4A9;--color-action-nav: #4A6FA5;--color-action-utility: #4A6FA5;--color-action-success: #1F8A5E;--color-action-danger: #C84B31;--color-action-warning: #D97706;--color-action-neutral: #64748B;--color-bg: #E8EBF0;--color-surface: #FFFFFF;--color-surface-subtle: #EEF1F5;--color-border: #DDE2EA;--color-border-strong: #BFC8D6;--color-text-primary: #1A1E2E;--color-text-secondary: #5A6478;--color-text-muted: #8E97A8;--font-xs: .75rem;--font-sm: .8rem;--font-base: .9rem;--font-md: .95rem;--font-lg: 1.05rem;--font-xl: 1.2rem;--font-2xl: 1.4rem}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Nunito,sans-serif;background:var(--color-bg);color:var(--color-text-primary);font-size:var(--font-base);font-weight:500;min-height:100vh;overflow-x:hidden}.screen{display:none;min-height:100vh}.screen.active{display:flex;flex-direction:column}#home{background:linear-gradient(135deg,#2fa4a9,#2c3e63,#4a6fa5);align-items:center;justify-content:center;text-align:center;padding:40px 20px}.home-logo{font-family:Fredoka One,cursive;font-size:3.5rem;color:#fff;text-shadow:3px 3px 0 rgba(0,0,0,.2);margin-bottom:8px}.home-sub{color:#ffffffd9;font-size:var(--font-lg);margin-bottom:40px}.home-cards{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}.home-card{background:#ffffff26;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,.3);border-radius:24px;padding:28px 24px;width:200px;cursor:pointer;transition:transform .2s,background .2s;color:#fff}.home-card:hover{transform:translateY(-6px);background:#ffffff40}.home-card .icon{font-size:2.5rem;margin-bottom:10px}.home-card h2{font-family:Nunito,sans-serif;font-weight:800;font-size:var(--font-xl);margin-bottom:6px}.home-card p{font-size:var(--font-sm);opacity:.85}.panel{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);max-width:620px;width:100%;margin:20px auto}.panel h2{font-family:Nunito,sans-serif;font-weight:800;font-size:var(--font-2xl);color:var(--color-action-primary);margin-bottom:20px}.back-btn{background:none;border:none;cursor:pointer;font-family:Nunito,sans-serif;font-size:var(--font-base);color:var(--color-text-muted);padding:8px 0;display:inline-flex;align-items:center;gap:6px}.back-btn:hover{color:var(--color-action-primary)}.centered-screen{background:var(--color-bg);align-items:center;justify-content:center}.form-group{margin-bottom:16px}.form-group label{display:block;font-weight:700;margin-bottom:6px;font-size:var(--font-base);color:var(--color-text-primary)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:11px 15px;border:2px solid var(--color-border);border-radius:12px;font-family:Nunito,sans-serif;font-size:var(--font-base);outline:none;transition:border-color .2s;background:#fff;color:var(--color-text-primary)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--color-action-primary)}.btn{background:var(--color-action-primary);color:#fff;border:none;border-radius:12px;padding:11px 24px;font-family:Nunito,sans-serif;font-size:.875rem;font-weight:700;cursor:pointer;transition:transform .15s,box-shadow .15s;box-shadow:0 4px #1d7276;min-height:38px;display:inline-flex;align-items:center;justify-content:center;gap:6px;line-height:1}.btn:hover{transform:translateY(-2px);box-shadow:0 6px #1d7276}.btn:active{transform:translateY(2px);box-shadow:0 2px #1d7276}.btn.secondary{background:var(--color-action-utility);box-shadow:0 4px #2e4f7a}.btn.secondary:hover{box-shadow:0 6px #2e4f7a}.btn.secondary:active{box-shadow:0 2px #2e4f7a}.btn.nav{background:var(--color-action-nav);box-shadow:0 4px #2e4f7a}.btn.nav:hover{box-shadow:0 6px #2e4f7a}.btn.nav:active{box-shadow:0 2px #2e4f7a}.btn.green{background:var(--color-action-success);box-shadow:0 4px #155f41}.btn.green:hover{box-shadow:0 6px #155f41}.btn.green:active{box-shadow:0 2px #155f41}.btn.danger{background:var(--color-action-danger);box-shadow:0 4px #952e1d}.btn.danger:hover{box-shadow:0 6px #952e1d}.btn.danger:active{box-shadow:0 2px #952e1d}.btn.ghost{background:transparent;color:var(--color-text-secondary);border:2px solid var(--color-border-strong);box-shadow:none}.btn.ghost:hover{background:var(--color-surface-subtle);transform:translateY(-1px)}.btn.ghost:active{transform:translateY(1px)}.btn.purple{background:#a855f7;box-shadow:0 4px #7c3aed}.btn.purple:hover{box-shadow:0 6px #7c3aed}.btn.purple.small{box-shadow:0 3px #7c3aed}.btn.orange{background:var(--color-action-primary);box-shadow:0 4px #1d7276}.btn.orange:hover{box-shadow:0 6px #1d7276}.btn.orange.small{box-shadow:0 3px #1d7276}.btn.small{padding:7px 13px;font-size:var(--font-sm);border-radius:8px;box-shadow:0 3px #1d7276;min-height:32px}.btn.secondary.small,.btn.nav.small{box-shadow:0 3px #2e4f7a}.btn.green.small{box-shadow:0 3px #155f41}.btn.danger.small{box-shadow:0 3px #952e1d}button,.tab-btn,.btn{min-height:38px}@media (pointer: coarse){button,.tab-btn,.btn{min-height:44px}}#dashboard{background:var(--color-bg);overflow-y:auto}.dash-header{background:linear-gradient(90deg,#2c3e63,#364a78);padding:14px 28px;display:flex;align-items:center;justify-content:space-between;color:#fff}.dash-header h1{font-family:Fredoka One,cursive;font-size:1.75rem}.dash-content{padding:20px 28px 60px;max-width:1100px;margin:0 auto;width:100%}.tab-nav{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}.tab-btn{background:var(--color-surface-subtle);border:1.5px solid var(--color-border);border-radius:10px;padding:8px 17px;font-family:Nunito,sans-serif;font-weight:700;cursor:pointer;transition:all .2s;font-size:var(--font-base);color:var(--color-text-secondary);min-height:38px}.tab-btn:hover{background:var(--color-border);color:var(--color-text-primary)}.tab-btn.active{background:var(--color-action-primary);color:#fff;border-color:var(--color-action-primary)}.student-item{background:#fff;border-radius:12px;padding:13px 16px;display:flex;flex-direction:column;justify-content:space-between;margin-bottom:10px;box-shadow:0 2px 8px #0000000f;border:1.5px solid var(--color-border)}.student-item>div:first-child{display:flex;align-items:center}.active-sort{background:var(--color-action-primary)!important;color:#fff!important;border-color:var(--color-action-primary)!important}.student-avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:Nunito,sans-serif;font-weight:800;font-size:1rem;color:#fff;flex-shrink:0}.student-info{margin-left:10px;flex:1;min-width:0}.student-info h4{font-weight:800;font-size:var(--font-md)}.student-info p{font-size:var(--font-sm);color:var(--color-text-muted)}.student-actions{display:flex;gap:6px;flex-wrap:wrap}.word-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;min-height:50px;padding:10px;background:var(--color-surface-subtle);border-radius:12px;border:2px dashed var(--color-border)}.word-chip{background:var(--accent);border-radius:8px;padding:4px 10px;font-weight:700;font-size:var(--font-sm);display:flex;align-items:center;gap:4px}.word-chip button{background:none;border:none;cursor:pointer;font-size:.9rem;line-height:1;color:#555}.deck-item{background:#fff;border-radius:12px;padding:13px 16px;display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;box-shadow:0 2px 8px #0000000f;border:1.5px solid var(--color-border)}.badge{display:inline-block;background:var(--accent);color:var(--dark);border-radius:6px;padding:2px 8px;font-size:var(--font-xs);font-weight:800}.join-screen{background:linear-gradient(135deg,#2fa4a9,#4a6fa5);align-items:center;justify-content:center}.join-box{background:#fff;border-radius:24px;padding:32px;text-align:center;max-width:420px;width:100%;box-shadow:var(--shadow)}.join-box h1{font-family:Nunito,sans-serif;font-weight:800;font-size:var(--font-2xl);color:var(--color-action-primary);margin-bottom:8px}#game{background:#1a1a2e;flex-direction:column;height:100vh;height:100dvh;overflow:hidden;min-height:unset}.game-header{background:#ffffff0d;padding:10px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.1)}.game-header h2{font-family:Nunito,sans-serif;font-weight:800;color:#fff;font-size:1.2rem}.game-directions{background:#ffffff14;border-bottom:1px solid rgba(255,255,255,.08);padding:7px 18px;display:flex;align-items:center;gap:6px;overflow-x:auto;white-space:nowrap}.dir-step{display:flex;align-items:center;gap:5px;color:#ffffffbf;font-size:.76rem;font-weight:700}.dir-step .num{background:var(--primary);color:#fff;border-radius:50%;width:18px;height:18px;display:flex;align-items:center;justify-content:center;font-size:.68rem;flex-shrink:0}.dir-sep{color:#ffffff40;font-size:.8rem;margin:0 3px}.game-body{display:flex;flex:1;padding:12px;gap:12px;overflow:hidden;min-height:0}.board-area{flex:1;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:0;gap:8px}#board-canvas{border-radius:14px;box-shadow:0 8px 40px #0006;max-width:100%;max-height:100%;cursor:default}#board-canvas.can-drag{cursor:grab}#board-canvas.dragging{cursor:grabbing}.game-sidebar{width:230px;display:flex;flex-direction:column;gap:10px;overflow-y:auto;flex-shrink:0}.side-card{background:#ffffff12;border-radius:13px;padding:11px;border:1px solid rgba(255,255,255,.1)}.side-card h4{font-family:Nunito,sans-serif;font-weight:800;color:#f1f5f9;margin-bottom:8px;font-size:1rem;letter-spacing:.01em}.dice-container{display:flex;justify-content:center}#dice{width:64px;height:64px;background:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:2.2rem;cursor:pointer;box-shadow:0 4px #ccc;-webkit-user-select:none;user-select:none;transition:transform .1s}#dice:hover{transform:scale(1.05)}#dice.rolling{animation:diceRoll .5s ease}@keyframes diceRoll{0%,to{transform:rotate(0)}25%{transform:rotate(-18deg) scale(1.1)}75%{transform:rotate(18deg) scale(.9)}}.spinner-wrap{display:flex;flex-direction:column;align-items:center;gap:5px;position:relative}#spinner-bg{cursor:pointer}#spinner-needle{transform-origin:60px 60px;transition:none}.deck-pile-area{height:108px;display:flex;align-items:center;justify-content:center;gap:20px;padding-bottom:18px;box-sizing:content-box}.card-stack{position:relative;width:70px;height:98px;cursor:pointer;transition:transform .15s}.card-stack:hover{transform:translateY(-3px)}.card-stack.locked{cursor:not-allowed;opacity:.55;pointer-events:none}.card-stack-inner{position:absolute;width:70px;height:98px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:8px;border:2px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;color:#fff;font-family:Fredoka One,cursive;font-size:.68rem;text-align:center;box-shadow:2px 2px #0000004d}.card-stack-inner:nth-child(2){transform:translate(-3px,-3px);z-index:-1}.card-stack-inner:nth-child(3){transform:translate(-6px,-6px);z-index:-2}.card-stack-label{position:absolute;bottom:-17px;font-size:.63rem;color:#ffffffb3;text-align:center;width:100%;font-weight:700}.discard-drop-zone{border:2px dashed rgba(249,115,22,.5);border-radius:9px;transition:background .15s,border-color .15s}.discard-drop-zone.drag-over{background:#f9731640;border-color:#f97316}.floating-card{position:fixed;width:94px;height:128px;background:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-family:Fredoka One,cursive;font-size:1rem;color:var(--dark);box-shadow:0 8px 24px #0000004d;z-index:1000;-webkit-user-select:none;user-select:none;border:3px solid var(--accent);text-align:center;padding:8px;cursor:grab}.floating-card:active{cursor:grabbing}.floating-card.face-down{background:linear-gradient(135deg,#667eea,#764ba2);color:transparent}.floating-card.face-down:after{content:"★";color:#ffffff4d;font-size:1.8rem}.card-flip-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;z-index:2000;display:flex;align-items:center;justify-content:center;flex-direction:column}.card-flip-column{display:flex;flex-direction:column;align-items:center;gap:16px}.card-flip-inner{perspective:1000px;width:185px;height:290px}.card-flip-next-btn{background:#22c55e;color:#fff;border:none;border-radius:50px;padding:12px 32px;font-family:Nunito,sans-serif;font-weight:800;font-size:.95rem;cursor:pointer;letter-spacing:.02em;box-shadow:0 4px 16px #22c55e66;transition:transform .12s,box-shadow .12s}.card-flip-next-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #22c55e8c}.card-flip-next-btn:active{transform:translateY(0)}.card-flip-box{width:100%;height:100%;position:relative;transform-style:preserve-3d;transition:transform .6s;cursor:pointer}.card-flip-box.flipped{transform:rotateY(180deg)}.card-face{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:16px;display:flex;align-items:center;justify-content:center;backface-visibility:hidden}.card-face.front{background:linear-gradient(135deg,#667eea,#764ba2);font-size:3rem}.card-face.back{background:#fff;border:4px solid var(--accent);transform:rotateY(180deg);font-family:Fredoka One,cursive;font-size:1.5rem;text-align:center;padding:16px;flex-direction:column;gap:6px}.card-face.back .card-hint{font-family:Nunito,sans-serif;font-size:.76rem;color:#888;font-weight:600}.score-btns{display:flex;gap:8px;margin-top:4px}.score-btn{border:none;border-radius:8px;padding:8px 12px;font-family:Fredoka One,cursive;font-size:.9rem;cursor:pointer;transition:transform .1s}.score-btn.correct{background:#22c55e;color:#fff}.score-btn.correct:hover{transform:scale(1.05)}.score-btn.incorrect{background:#ef4444;color:#fff}.score-btn.incorrect:hover{transform:scale(1.05)}.trash-zone{border:2px dashed rgba(239,68,68,.5);border-radius:10px;min-height:40px;display:flex;align-items:center;justify-content:center;color:#ef444499;font-size:.72rem;font-weight:700;transition:background .2s;margin-top:8px}.trash-zone.drag-over{background:#ef444426;border-color:#ef4444}.player-row{display:flex;align-items:center;gap:6px;padding:5px 0;border-bottom:1px solid rgba(255,255,255,.07)}.player-piece{width:20px;height:20px;border-radius:50%;border:2px solid rgba(255,255,255,.4);flex-shrink:0}.player-name-text{color:#fff;font-size:.8rem;font-weight:700;flex:1}.player-pos{color:#ffffff80;font-size:.7rem}.task-banner{background:linear-gradient(90deg,var(--accent),#ffa500);border-radius:9px;padding:9px;text-align:center}.task-banner p{font-weight:800;color:#2d2d2d;font-size:.88rem}.task-icon{font-size:1.7rem;line-height:1}.color-swatches{display:grid;grid-template-columns:repeat(6,22px);gap:5px}.color-swatch{width:22px;height:22px;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:transform .15s,border-color .15s}.color-swatch:hover{transform:scale(1.2)}.color-swatch.selected{border-color:#fff;transform:scale(1.15)}.winner-scores{margin-top:12px;width:100%;max-width:320px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:3000;display:flex;align-items:center;justify-content:center;padding:14px}.modal{background:#fff;border-radius:22px;padding:26px 26px 20px;max-width:600px;width:100%;box-shadow:0 20px 60px #0000004d;max-height:min(88vh,88dvh);display:flex;flex-direction:column;overflow:hidden}.modal h2{font-family:Nunito,sans-serif;font-weight:800;font-size:var(--font-xl);color:var(--color-action-primary);margin-bottom:13px;flex-shrink:0}#modal-body{overflow-y:auto;flex:1;padding-bottom:8px}.modal-actions{margin-top:0;padding-top:14px;border-top:1px solid var(--color-border);display:flex;gap:9px;justify-content:flex-end;flex-wrap:wrap;flex-shrink:0;min-height:fit-content}#toast{position:fixed;bottom:26px;left:50%;transform:translate(-50%) translateY(100px);background:var(--color-text-primary);color:#fff;padding:11px 22px;border-radius:50px;font-weight:700;font-size:var(--font-base);z-index:9999;transition:transform .3s;pointer-events:none;white-space:nowrap}#toast.show{transform:translate(-50%) translateY(0)}.share-code{font-family:Nunito,sans-serif;font-weight:800;font-size:2.1rem;letter-spacing:8px;color:var(--color-action-primary);text-align:center;background:#fff9e6;padding:13px;border-radius:12px;border:2px dashed var(--accent)}.flex-row{display:flex;gap:10px;align-items:center}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.text-muted{color:var(--color-text-muted);font-size:var(--font-sm)}.section-title{font-family:Nunito,sans-serif;font-weight:800;font-size:var(--font-2xl);color:var(--color-text-primary);margin-bottom:4px}.section-sub{color:var(--color-text-secondary);margin-bottom:14px;font-size:var(--font-base)}.edit-banner{background:#fef3c7;border:2px solid var(--accent);border-radius:10px;padding:9px 13px;margin-bottom:13px;display:none;align-items:center;justify-content:space-between}.student-checkbox-list{display:grid;grid-template-columns:repeat(3,1fr);gap:3px 8px;max-height:130px;overflow-y:auto;border:2px solid var(--color-border);border-radius:10px;padding:8px;background:#fafafa}.student-checkbox-item{display:flex;align-items:center;gap:6px;padding:3px 5px;border-radius:7px;cursor:pointer;font-size:.84rem}.student-checkbox-item:hover{background:var(--color-surface-subtle)}.student-checkbox-item input[type=checkbox]{width:14px;height:14px;cursor:pointer;flex-shrink:0}.session-row{background:var(--color-surface-subtle);border-radius:10px;padding:10px 14px;margin-bottom:8px;cursor:pointer;border:2px solid transparent;transition:border-color .15s}.session-row:hover{border-color:var(--color-action-primary)}.word-result-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:5px 16px 5px 0;border-bottom:1px solid #f0f0f0}.word-correct{color:#1f8a5e;font-weight:800}.word-incorrect{color:var(--color-action-danger);font-weight:800}.drag-hint{text-align:center;color:#fff6;font-size:.7rem;margin-top:4px}.player-slot-row{display:flex;align-items:center;gap:8px;margin-bottom:8px}.piece-dot{width:20px;height:20px;border-radius:50%;flex-shrink:0;border:2px solid #ccc}.audio-toggle{position:fixed;bottom:18px;right:14px;z-index:4000;display:none;align-items:center;gap:6px;background:#0000008c;border-radius:20px;padding:5px 10px;color:#fff;font-size:.75rem;font-weight:700}.audio-toggle input{cursor:pointer}.audio-toggle.visible{display:flex}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#0003;border-radius:3px}.wsel-chip{background:var(--color-surface-subtle);border:2px solid var(--color-border);border-radius:7px;padding:4px 11px;font-weight:700;font-size:var(--font-sm);cursor:pointer;transition:all .15s;-webkit-user-select:none;user-select:none}.wsel-chip.on{background:var(--color-action-primary);border-color:var(--color-action-primary);color:#fff}.ttt-wrap{width:100%;max-width:680px}.ttt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.ttt-cell{background:#ffffff1a;border:2px solid rgba(255,255,255,.2);border-radius:14px;padding:14px 8px;text-align:center;cursor:pointer;transition:background .15s,transform .1s;min-height:130px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;position:relative}.ttt-cell:hover:not(.taken){background:#ffffff38;transform:scale(1.02)}.ttt-cell.taken{cursor:default;pointer-events:none}.ttt-cell .cword{font-family:Fredoka One,cursive;color:#fff;font-size:1.45rem;text-align:center;line-height:1.2}.ttt-cell .cpiece{width:36px;height:36px;flex-shrink:0;display:flex;align-items:center;justify-content:center}.ttt-status{font-family:Fredoka One,cursive;color:var(--accent);font-size:1.2rem;text-align:center;margin-bottom:10px}.rrc-wrap{width:100%;max-width:860px}.rrc-die-row{display:flex;align-items:center;gap:12px;margin-bottom:10px;justify-content:center}.rrc-die{width:66px;height:66px;background:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:2.4rem;cursor:pointer;box-shadow:0 4px #ccc;-webkit-user-select:none;user-select:none;transition:transform .1s}.rrc-die:hover{transform:scale(1.05)}.rrc-die.rolling{animation:diceRoll .5s ease}.rrc-cols{display:flex;gap:8px}.rrc-col{flex:1;display:flex;flex-direction:column;gap:6px}.rrc-hdr{background:var(--primary);border-radius:8px;padding:8px 4px;text-align:center;font-family:Fredoka One,cursive;color:#fff;font-size:1.2rem}.rrc-cell{background:#ffffff1a;border:2px solid rgba(255,255,255,.15);border-radius:8px;padding:10px 4px;text-align:center;cursor:pointer;font-weight:700;color:#fff;font-size:1.1rem;min-height:68px;display:flex;align-items:center;justify-content:center;position:relative;transition:background .15s}.rrc-cell:hover:not(.taken){background:#ffffff38}.rrc-cell.taken{pointer-events:none}.rrc-cell .rrc-p{width:22px;height:22px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.rrc-status{font-family:Fredoka One,cursive;color:var(--accent);font-size:1rem;text-align:center;margin-bottom:8px}.war-wrap{width:100%;max-width:600px;display:flex;flex-direction:column;align-items:center;gap:16px}.war-scores{display:flex;gap:20px;justify-content:center}.war-score-box{background:#ffffff1a;border-radius:12px;padding:12px 24px;text-align:center}.war-score-name{color:#ffffffb3;font-size:.85rem;font-weight:700}.war-score-pts{font-family:Fredoka One,cursive;color:#fff;font-size:2.2rem}.war-cards-row{display:flex;gap:32px;align-items:center;justify-content:center}.war-card{width:160px;height:224px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-family:Fredoka One,cursive;font-size:1.8rem;text-align:center;padding:16px;border:4px solid var(--accent);box-shadow:0 8px 28px #0006}.war-card.revealed{background:#fff;color:var(--dark)}.war-card.facedown{background:linear-gradient(135deg,#667eea,#764ba2);color:transparent;font-size:3.2rem;position:relative}.war-card.facedown:after{content:"★";position:absolute;color:#ffffff40;font-size:4rem}.war-vs{font-family:Fredoka One,cursive;color:#ffffff80;font-size:2rem}.war-status{font-family:Fredoka One,cursive;color:var(--accent);font-size:1.1rem;text-align:center}.mem-wrap{width:100%;max-width:600px}.mem-status{font-family:Fredoka One,cursive;color:var(--accent);font-size:1rem;text-align:center;margin-bottom:8px}.mem-grid{display:grid;gap:6px}.mem-card{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.85rem;border:2px solid rgba(255,255,255,.2);position:relative;overflow:hidden;transition:transform .35s}.mem-card-inner{position:absolute;top:0;right:0;bottom:0;left:0;transition:transform .4s;transform-style:preserve-3d}.mem-card.flipped .mem-card-inner,.mem-card.matched .mem-card-inner{transform:rotateY(180deg)}.mem-card.matched{opacity:.65;pointer-events:none}.mem-face,.mem-back{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;border-radius:10px;backface-visibility:hidden;padding:5px;text-align:center}.mem-face{font-size:1.8rem}.mem-back{background:#fff;border:3px solid var(--accent);color:var(--dark);font-weight:800;font-size:1.4rem;transform:rotateY(180deg)}#confetti-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:5000;pointer-events:none;display:none}#confetti-overlay.active{display:block}#confetti-overlay .winner-banner{pointer-events:auto;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:linear-gradient(135deg,gold,#ff6b35);border-radius:24px;padding:28px 40px;text-align:center;box-shadow:0 16px 60px #0006;pointer-events:all}#confetti-overlay .winner-banner h1{font-family:Fredoka One,cursive;font-size:2.4rem;color:#fff;text-shadow:2px 2px 0 rgba(0,0,0,.2);margin-bottom:6px}#confetti-overlay .winner-banner p{color:#ffffffe6;font-size:1rem;margin-bottom:16px}.confetti-piece{position:absolute;width:10px;height:10px;border-radius:2px;animation:confettiFall linear forwards}@keyframes confettiFall{0%{transform:translateY(-20px) rotate(0);opacity:1}to{transform:translateY(110vh) rotate(720deg);opacity:0}}.bingo-wrap{width:100%;max-width:660px}.bingo-call-box{background:linear-gradient(135deg,#6d28d9,#4f46e5);border-radius:16px;padding:16px 24px;text-align:center;margin-bottom:12px}.bingo-called-word{font-family:Fredoka One,cursive;font-size:2.8rem;color:#fff;letter-spacing:2px;min-height:3.4rem;display:flex;align-items:center;justify-content:center}.bingo-called-sub{color:#fff9;font-size:.82rem;margin-top:2px}.bingo-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-bottom:10px}.bingo-hdr{background:var(--primary);border-radius:8px;padding:7px 2px;text-align:center;font-family:Fredoka One,cursive;color:#fff;font-size:1.15rem}.bingo-cell{background:#ffffff1a;border:2px solid rgba(255,255,255,.18);border-radius:10px;padding:8px 4px;text-align:center;cursor:pointer;font-weight:800;color:#fff;font-size:1rem;min-height:72px;display:flex;align-items:center;justify-content:center;transition:all .15s;line-height:1.2}.bingo-cell:hover:not(.marked):not(.free){background:#ffffff38}.bingo-cell.marked{background:linear-gradient(135deg,#22c55e,#16a34a);border-color:#86efac;color:#fff}.bingo-cell.free{background:linear-gradient(135deg,#f59e0b,#d97706);border-color:#fde68a;cursor:default;font-size:.82rem}.bingo-cell.called-highlight{box-shadow:0 0 0 3px var(--accent)}.bingo-called-list{display:flex;flex-wrap:wrap;gap:4px;max-height:60px;overflow-y:auto}.bingo-called-chip{background:#ffffff1f;border-radius:5px;padding:2px 7px;font-size:.72rem;color:#ffffffbf;font-weight:700}.bingo-win-banner{background:linear-gradient(135deg,gold,#f59e0b);border-radius:12px;padding:14px 20px;text-align:center;font-family:Fredoka One,cursive;font-size:1.5rem;color:#1a1a2e;margin-bottom:10px}.hs-wrap{width:100%;max-width:560px;display:flex;flex-direction:column;align-items:center;gap:16px}.hs-timer-ring{position:relative;width:110px;height:110px}.hs-timer-ring svg{transform:rotate(-90deg)}.hs-timer-ring .hs-timer-text{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-family:Fredoka One,cursive;font-size:2rem;color:#fff}.hs-word-card{background:linear-gradient(135deg,#4f46e5,#7c3aed);border-radius:20px;padding:28px 48px;text-align:center;min-width:320px;box-shadow:0 8px 32px #00000059}.hs-word-card .hs-word{font-family:Fredoka One,cursive;font-size:3.2rem;color:#fff;letter-spacing:2px}.hs-word-card .hs-word-num{color:#fff9;font-size:.9rem;margin-top:4px}.hs-score-row{display:flex;gap:20px;justify-content:center}.hs-score-box{background:#ffffff1a;border-radius:12px;padding:10px 22px;text-align:center}.hs-score-lbl{color:#ffffffa6;font-size:.78rem;font-weight:700}.hs-score-val{font-family:Fredoka One,cursive;color:#fff;font-size:1.8rem}.hs-btns{display:flex;gap:16px;justify-content:center}.hs-btn-correct{background:linear-gradient(135deg,#22c55e,#16a34a);color:#fff;border:none;border-radius:16px;padding:18px 40px;font-size:1.3rem;cursor:pointer;font-weight:900;box-shadow:0 4px 16px #0000004d;font-family:Nunito,sans-serif;transition:filter .1s;letter-spacing:.02em}.hs-btn-wrong{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border:none;border-radius:16px;padding:18px 40px;font-size:1.3rem;cursor:pointer;font-weight:900;box-shadow:0 4px 16px #0000004d;font-family:Nunito,sans-serif;transition:filter .1s;letter-spacing:.02em}.hs-btn-correct:hover,.hs-btn-wrong:hover{filter:brightness(1.1)}.hs-btn-correct:disabled,.hs-btn-wrong:disabled{opacity:.4;cursor:default;filter:none}.hs-start-btn{background:linear-gradient(135deg,var(--accent),#f97316);color:#1a1a2e;border:none;border-radius:16px;padding:22px 64px;font-size:1.5rem;cursor:pointer;font-weight:900;font-family:Nunito,sans-serif;box-shadow:0 4px 20px #0000004d;letter-spacing:.03em;transition:filter .1s}.hs-start-btn:hover{filter:brightness(1.1)}.hs-results{background:#ffffff14;border-radius:14px;padding:16px;width:100%;text-align:center}.hs-wpm{font-family:Fredoka One,cursive;font-size:3rem;color:var(--accent)}.hs-results-sub{color:#ffffffb3;font-size:.9rem;margin-top:4px}.sb-wrap{width:100%;max-width:600px}.sb-sentence-card{background:linear-gradient(135deg,#1e3a5f,#1e40af);border-radius:18px;padding:22px 26px;margin-bottom:12px;box-shadow:0 8px 28px #0000004d}.sb-sentence-text{font-family:Fredoka One,cursive;font-size:1.35rem;color:#fff;line-height:1.45;text-align:center}.sb-question{background:#ffffff1a;border-radius:10px;padding:10px 14px;margin-top:10px;color:#ffffffd9;font-size:.85rem;font-style:italic}.sb-status{font-family:Fredoka One,cursive;color:var(--accent);font-size:1rem;text-align:center;margin-bottom:8px}.sb-score-row{display:flex;gap:12px;justify-content:center;margin-bottom:10px}.sb-score-box{background:#ffffff1a;border-radius:10px;padding:7px 15px;text-align:center}.sb-score-lbl{color:#fff9;font-size:.7rem;font-weight:700}.sb-score-val{font-family:Fredoka One,cursive;color:#fff;font-size:1.35rem}.sb-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.sb-btn-correct{background:linear-gradient(135deg,#22c55e,#16a34a);color:#fff;border:none;border-radius:12px;padding:12px 26px;font-size:1rem;cursor:pointer;font-weight:900;font-family:Fredoka One,cursive}.sb-btn-wrong{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border:none;border-radius:12px;padding:12px 26px;font-size:1rem;cursor:pointer;font-weight:900;font-family:Fredoka One,cursive}.sb-btn-skip{background:#ffffff26;color:#fff;border:none;border-radius:12px;padding:12px 20px;font-size:.9rem;cursor:pointer;font-weight:700}.sent-chip{display:inline-flex;align-items:center;gap:5px;background:#e0e7ff;border:2px solid #818cf8;border-radius:8px;padding:5px 11px;font-weight:700;font-size:.82rem;color:#3730a3;margin:3px}.sent-chip button{background:none;border:none;color:#6366f1;cursor:pointer;font-size:.9rem;line-height:1;padding:0 0 0 3px}.sent-item{background:#fff;border-radius:12px;padding:12px 15px;margin-bottom:9px;box-shadow:0 2px 8px #0000000f;display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.sent-preview{font-size:.82rem;color:#555;margin-top:3px;line-height:1.4}.sent-qpreview{font-size:.75rem;color:#888;font-style:italic;margin-top:2px}.shape-swatches{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px}.shape-swatch{width:30px;height:30px;border-radius:6px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.15rem;background:#ffffff1a;border:2px solid transparent;color:#fff;transition:border-color .15s}.shape-swatch.selected,.shape-swatch:hover{border-color:var(--accent)}.dir-step.dir-active{background:#ffe66d38;border-radius:6px;padding:2px 7px;border:1px solid rgba(255,230,109,.55)}.dir-step.dir-active .num{background:var(--accent);color:#1a1a2e}.dir-step.dir-done{opacity:.28}.mem-card.matched{opacity:1!important;pointer-events:none;cursor:default}.mem-owner-badge{position:absolute;top:4px;right:4px;width:18px;height:18px;border-radius:50%;font-size:.62rem;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;border:1.5px solid rgba(255,255,255,.5)}.mem-matched-word{font-weight:900;font-size:.88rem;text-align:center;padding:6px;line-height:1.25;word-break:break-word}.war-reveal-btn{background:linear-gradient(135deg,#fbbf24,#f97316);color:#1a1a2e;font-weight:900;border:none;border-radius:14px;padding:15px 36px;font-size:1.2rem;cursor:pointer;font-family:Fredoka One,cursive;box-shadow:0 6px 24px #fbbf2466,0 2px 8px #0003;animation:war-pulse 1.2s ease-in-out infinite;letter-spacing:.02em}.war-reveal-btn:hover{filter:brightness(1.1);transform:translateY(-1px)}@keyframes war-pulse{0%,to{box-shadow:0 6px 24px #fbbf2466,0 2px 8px #0003}50%{box-shadow:0 6px 32px #fbbf24bf,0 2px 8px #00000040}}.war-reading-banner{background:#ffe66d1a;border:1px solid rgba(255,230,109,.3);border-radius:8px;padding:10px;color:#ffe66de6;font-size:.88rem;margin:4px 0;text-align:center}.sb-word-chips{display:flex;flex-wrap:wrap;gap:7px;justify-content:center;padding:10px 0}.sb-wchip{font-family:Fredoka One,cursive;font-size:1.1rem;padding:8px 14px;border-radius:10px;cursor:pointer;border:2px solid transparent;background:#ffffff26;color:#fff;-webkit-user-select:none;user-select:none;transition:background .15s,border-color .15s}.sb-wchip.wc-correct{background:#22c55e4d;border-color:#22c55e;color:#bbf7d0}.sb-wchip.wc-wrong{background:#ef44444d;border-color:#ef4444;color:#fecaca}.sb-next-btn{background:linear-gradient(135deg,#0d9488,#14b8a6);color:#fff;border:none;border-radius:12px;padding:12px 28px;font-size:1rem;cursor:pointer;font-weight:800;font-family:Nunito,sans-serif;box-shadow:0 4px 14px #00000040}.scr-wrap{width:100%;max-width:640px;display:flex;flex-direction:column;gap:10px}.scr-sentence-label{font-family:Fredoka One,cursive;color:var(--accent);font-size:.95rem;text-align:center}.scr-drop-zone{display:flex;flex-wrap:wrap;gap:7px;min-height:56px;background:#ffffff12;border:2px dashed rgba(255,255,255,.25);border-radius:14px;padding:10px 12px;justify-content:center;align-items:center}.scr-slot{min-width:64px;min-height:38px;background:#ffffff1a;border-radius:9px;border:2px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-family:Fredoka One,cursive;color:#fff;font-size:1rem;padding:4px 10px;cursor:pointer;transition:background .15s,border-color .15s}.scr-slot.drag-over{background:#ffe66d33;border-color:var(--accent)}.scr-slot.correct{background:#22c55e40;border-color:#22c55e}.scr-slot.wrong{background:#ef444433;border-color:#ef4444}.scr-slot.occupied{background:#6366f14d;border-color:#818cf8;cursor:grab}.scr-slot.occupied.correct{background:#22c55e4d!important;border-color:#22c55e!important}.scr-slot.occupied.wrong{background:#ef444440!important;border-color:#ef4444!important}.scr-bank{display:flex;flex-wrap:wrap;gap:7px;justify-content:center;min-height:42px}.scr-tile{font-family:Fredoka One,cursive;font-size:1rem;padding:8px 14px;border-radius:10px;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;cursor:grab;border:2px solid transparent;-webkit-user-select:none;user-select:none;box-shadow:0 3px 10px #00000040;transition:opacity .15s,box-shadow .15s}.scr-tile:hover{box-shadow:0 5px 16px #00000059}.scr-tile.dragging{opacity:.45}.scr-tile.selected{border-color:var(--accent);box-shadow:0 0 0 3px #facc1566}.scr-check-btn{background:linear-gradient(135deg,#0d9488,#14b8a6);color:#fff;border:none;border-radius:12px;padding:12px 28px;font-size:1rem;cursor:pointer;font-weight:800;font-family:Nunito,sans-serif;box-shadow:0 4px 14px #00000040}.scr-check-btn:disabled{opacity:.45;cursor:default}.scr-reset-btn{background:#ffffff1f;color:#fff;border:none;border-radius:12px;padding:11px 22px;font-size:.9rem;cursor:pointer;font-weight:700}.scr-scaffold-toggle{display:flex;align-items:center;gap:7px;color:#ffffffb3;font-size:.82rem;cursor:pointer}.scr-result-banner{font-family:Fredoka One,cursive;font-size:1.1rem;text-align:center;padding:10px;border-radius:10px}.scr-result-banner.correct{background:#22c55e33;color:#bbf7d0;border:1px solid #22c55e}.scr-result-banner.wrong{background:#ef444426;color:#fecaca;border:1px solid #ef4444}.export-row{display:flex;gap:7px;margin-bottom:12px}.prog-chart-wrap{background:var(--color-surface-subtle);border-radius:10px;padding:10px;margin-bottom:10px;border:1px solid var(--color-border)}.lesson-card{background:#fff;border-radius:14px;padding:14px 18px;margin-bottom:8px;box-shadow:0 2px 8px #0000000f;border:1.5px solid var(--color-border);display:flex;flex-direction:column;gap:10px;transition:border-color .15s,box-shadow .15s}.lesson-card:hover{border-color:var(--color-action-primary);box-shadow:0 4px 14px #0000001a}.lesson-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.lesson-card-info{display:flex;align-items:center;gap:8px;flex-wrap:wrap;flex:1}.lesson-card-title{font-size:var(--font-md);font-weight:800;color:var(--color-text-primary)}.lesson-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.lesson-card-meta{font-size:var(--font-sm);color:var(--color-text-secondary);flex:1;min-width:0}.lesson-card-actions{display:flex;align-items:center;gap:6px;flex-shrink:0;flex-wrap:wrap}.auth-screen{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2,#ff6b35);display:flex;align-items:center;justify-content:center;flex-direction:column;padding:40px 20px;text-align:center}.auth-logo{font-family:Fredoka One,cursive;font-size:3.5rem;color:#fff;text-shadow:3px 3px 0 rgba(0,0,0,.2);margin-bottom:8px}.auth-sub{color:#ffffffd9;font-size:1.1rem;margin-bottom:40px}.auth-card{background:#ffffff26;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,.3);border-radius:24px;padding:36px 32px;width:100%;max-width:380px;color:#fff}.auth-card h2{font-family:Fredoka One,cursive;font-size:1.6rem;margin-bottom:8px}.auth-card p{font-size:.9rem;opacity:.85;margin-bottom:24px;line-height:1.5}.google-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:13px 20px;background:#fff;color:#374151;border:none;border-radius:12px;font-family:Nunito,sans-serif;font-size:1rem;font-weight:700;cursor:pointer;transition:transform .15s,box-shadow .15s;box-shadow:0 4px #00000026}.google-btn:hover{transform:translateY(-2px);box-shadow:0 6px #00000026}.google-btn:active{transform:translateY(2px);box-shadow:0 2px #00000026}.google-icon{width:20px;height:20px}.auth-loading{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2,#ff6b35);flex-direction:column;gap:16px;color:#fff;font-family:Fredoka One,cursive;font-size:1.4rem}.auth-spinner{width:40px;height:40px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.auth-error{background:#ef444433;border:1px solid rgba(239,68,68,.5);border-radius:10px;padding:10px 14px;font-size:.85rem;margin-top:14px;color:#fff}.auth-pre-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:28px}.auth-pre-btn{background:#ffffff26;border:1.5px solid rgba(255,255,255,.4);color:#fff;border-radius:10px;padding:8px 18px;font-family:Nunito,sans-serif;font-weight:700;font-size:.88rem;cursor:pointer;transition:background .2s}.auth-pre-btn:hover{background:#ffffff40}.auth-email-links{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px;margin-top:14px}.auth-card input::placeholder{color:#ffffff80}.hamburger-btn{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:40px;height:40px;background:transparent;border:1.5px solid var(--color-border-strong);border-radius:10px;cursor:pointer;padding:8px;flex-shrink:0;box-shadow:none;min-height:40px}.hamburger-btn span{display:block;width:18px;height:2px;background:var(--color-text-primary);border-radius:2px;transition:transform .2s,opacity .2s}.hamburger-btn.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger-btn.is-open span:nth-child(2){opacity:0}.hamburger-btn.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}#mobile-nav-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:8000}#mobile-nav-overlay.active{display:block}#mobile-nav-drawer{position:fixed;top:0;left:0;bottom:0;width:270px;background:#fff;z-index:8001;transform:translate(-100%);transition:transform .25s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;box-shadow:4px 0 24px #0000002e}#mobile-nav-drawer.active{transform:translate(0)}.mobile-nav-header{background:linear-gradient(90deg,#2c3e63,#364a78);color:#fff;padding:16px 18px;display:flex;align-items:center;justify-content:space-between;font-family:Nunito,sans-serif;font-weight:800;font-size:1rem;flex-shrink:0}.mobile-nav-close{background:#ffffff26;border:none;color:#fff;border-radius:8px;width:32px;height:32px;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center}.mobile-nav-links{display:flex;flex-direction:column;padding:12px 10px;gap:4px;overflow-y:auto;flex:1}.mobile-nav-links button{background:transparent;border:none;border-radius:10px;padding:13px 16px;font-family:Nunito,sans-serif;font-weight:700;font-size:var(--font-base);color:var(--color-text-primary);text-align:left;cursor:pointer;transition:background .15s;min-height:44px;box-shadow:none}.mobile-nav-links button:hover,.mobile-nav-links button:active{background:var(--color-surface-subtle)}@media (max-width: 860px){.hamburger-btn{display:flex}#dash-tab-nav .tab-btn{display:none}.dash-content{padding:16px}}#lessons-upcoming-list h4,#lessons-all-list h4{font-family:Nunito,sans-serif!important;font-weight:800!important;font-size:1rem!important;color:#1e3a8a!important}#ld-title{font-family:Nunito,sans-serif!important;font-weight:800!important;font-size:1.15rem!important}#ld-subtitle{color:#ffffffeb!important;font-size:.85rem!important;font-weight:600!important}#turn-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:4000;display:flex;align-items:center;justify-content:center;pointer-events:none;background:#0000}#turn-overlay.active{animation:turn-overlay-fade 1.6s ease forwards}@keyframes turn-overlay-fade{0%{background:#0000}15%{background:#00000085}70%{background:#00000085}to{background:#0000}}#turn-overlay-card{text-align:center;padding:28px 44px;border-radius:22px;background:#0f0f1ed9;border:3px solid rgba(255,255,255,.15);box-shadow:0 20px 60px #00000080;opacity:0;transform:scale(.88)}#turn-overlay.active #turn-overlay-card{animation:turn-card-pop 1.6s ease forwards}@keyframes turn-card-pop{0%{opacity:0;transform:scale(.88)}18%{opacity:1;transform:scale(1.04)}28%{transform:scale(1)}72%{opacity:1}to{opacity:0;transform:scale(.92)}}#turn-overlay-name{font-family:Nunito,sans-serif;font-weight:800;font-size:2rem;margin-bottom:4px}#turn-overlay-sub{color:#fff9;font-size:.9rem;font-weight:600}