:root{--brand: #3b5bdb;--brand-light: #dbe4ff;--brand-dark: #1e3a8a;--maths: #3b5bdb;--maths-bg: #eef2ff;--maths-border: #c5d0fc;--reading: #0d9488;--reading-bg: #f0fdfa;--reading-border:#a7f3d0;--amber: #d97706;--amber-bg: #fffbeb;--amber-border: #fcd34d;--success: #059669;--success-bg: #ecfdf5;--danger: #dc2626;--danger-bg: #fef2f2;--warn: #d97706;--warn-bg: #fffbeb;--bg: #f1f5f9;--surface: #ffffff;--surface-2: #f8fafc;--border: #e2e8f0;--border-2: #cbd5e1;--text: #0f172a;--text-2: #334155;--muted: #64748b;--muted-2: #94a3b8;--radius-sm: 10px;--radius: 14px;--radius-lg: 20px;--radius-xl: 26px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow: 0 4px 16px rgba(15,23,42,.08), 0 1px 4px rgba(15,23,42,.04);--shadow-lg: 0 10px 40px rgba(15,23,42,.1), 0 2px 8px 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h2{font-size:1.6rem;font-weight:800;color:var(--success);margin-bottom:6px}.weekly-strip{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;margin-top:10px}.day-dot{display:flex;flex-direction:column;align-items:center;gap:4px}.day-dot-label{font-size:.6rem;font-weight:700;color:var(--muted-2);text-transform:uppercase}.day-dot-circle{width:30px;height:30px;border-radius:50%;background:var(--border);display:flex;align-items:center;justify-content:center;font-size:.7rem}.day-dot-circle.done{background:var(--brand);color:#fff;font-weight:700}.day-dot-circle.today{border:2px solid var(--brand);color:var(--brand);background:var(--brand-light)}.day-dot-circle.partial{background:var(--brand-light);color:var(--brand)}.task-layout{display:grid;grid-template-columns:280px 1fr;gap:18px;align-items:start}.task-sidebar{position:sticky;top:20px}.question-count{font-size:1.9rem;font-weight:800;line-height:1}.question-count span{font-size:.9rem;font-weight:500;color:var(--muted)}.passage-box{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-top:14px;font-size:.93rem;line-height:1.7;color:var(--text-2)}.passage-label{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:9px}.question-card{min-height:340px}.question-prompt{font-size:1.2rem;font-weight:700;line-height:1.4;color:var(--text);margin-bottom:22px}.options-list{display:flex;flex-direction:column;gap:9px}.option-btn{display:flex;align-items:center;gap:11px;padding:13px 15px;border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;background:var(--surface);text-align:left;font-size:.975rem;font-weight:500;color:var(--text-2);transition:border-color .15s,background 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var(--border);background:var(--surface-2)}.review-item.correct{border-color:#6ee7b7;background:var(--success-bg)}.review-item.incorrect{border-color:#fca5a5;background:var(--danger-bg)}.review-q{font-weight:600;margin-bottom:5px}.review-explanation{font-size:.855rem;color:var(--muted);margin-top:5px}.completion-hero{text-align:center;padding:28px 18px}.score-circle{width:110px;height:110px;border-radius:50%;background:linear-gradient(135deg,#4263eb,#818cf8);display:flex;flex-direction:column;align-items:center;justify-content:center;margin:0 auto 22px;box-shadow:0 8px 24px #3b5bdb52}.score-circle .score-num{font-size:1.9rem;font-weight:800;color:#fff;line-height:1}.score-circle .score-denom{font-size:.8rem;color:#ffffffbf;font-weight:600}.completion-hero h2{font-size:1.7rem;font-weight:800;margin-bottom:7px}.completion-insight{color:var(--muted);font-size:.93rem;max-width:400px;margin:0 auto 22px}.points-earned{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;background:var(--amber-bg);border:1px solid var(--amber-border);border-radius:999px;font-weight:700;color:var(--amber);margin-bottom:22px}.attempt-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 15px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface)}.dashboard-section-intro{margin:4px 0 16px}.dashboard-section-intro h2{font-size:1.18rem;font-weight:800;margin:6px 0}.dashboard-section-intro p{font-size:.9rem;color:var(--muted);line-height:1.62;max-width:760px;margin:0}.attempt-subject{font-weight:700;font-size:.86rem}.attempt-topic{color:var(--muted);font-size:.8rem}.attempt-score{font-weight:800;font-size:1rem;color:var(--brand);min-width:44px;text-align:right}.attempt-score.high{color:var(--success)}.attempt-score.low{color:var(--danger)}.topic-row{display:grid;grid-template-columns:1fr auto auto;gap:12px;align-items:center;padding:13px 15px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface)}.mastery-badge{font-size:.73rem;font-weight:700;padding:2px 8px;border-radius:999px}.mastery-strong{background:var(--success-bg);color:var(--success)}.mastery-secure{background:var(--brand-light);color:var(--brand)}.mastery-developing{background:var(--amber-bg);color:var(--amber)}.mastery-needs_support{background:var(--danger-bg);color:var(--danger)}.trend-indicator{display:inline-flex;align-items:center;gap:3px;font-size:.78rem;font-weight:600;padding:2px 7px;border-radius:999px}.trend-up{color:var(--success);background:var(--success-bg)}.trend-down{color:var(--danger);background:var(--danger-bg)}.trend-steady{color:var(--muted);background:var(--surface-2);border:1px solid var(--border)}.summary-box{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.badges-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px}.badge-card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:20px 16px;text-align:center;transition:transform .15s,box-shadow .15s}.badge-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.badge-card.earned{border-color:var(--amber-border);background:var(--amber-bg)}.badge-card.locked{opacity:.4;filter:grayscale(1)}.badge-icon{font-size:2.3rem;line-height:1;margin-bottom:9px}.badge-name{font-weight:700;font-size:.9rem;margin-bottom:3px}.badge-desc{color:var(--muted);font-size:.77rem}.cert-card{background:linear-gradient(135deg,#fffbeb,#fef3c7);border:2px solid var(--amber-border);border-radius:var(--radius-xl);padding:28px 24px;text-align:center}.cert-icon{font-size:2.8rem;margin-bottom:10px}.cert-title{font-size:1.2rem;font-weight:800;color:var(--amber);margin-bottom:5px}.cert-date{font-size:.83rem;color:var(--muted);margin-bottom:12px}.cert-text{font-size:.9rem;color:var(--text-2);line-height:1.6}.mod-queue{display:flex;flex-direction:column;gap:10px}.mod-pack-row{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:16px 18px;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;transition:border-color .15s}.mod-pack-row.approved{border-color:#6ee7b7}.mod-pack-row.rejected{border-color:#fca5a5;opacity:.7}.mod-pack-row.watchlist{border-color:var(--amber-border)}.mod-status{font-size:.73rem;font-weight:700;padding:2px 8px;border-radius:999px}.status-approved{background:var(--success-bg);color:var(--success)}.status-watchlist{background:var(--amber-bg);color:var(--amber)}.status-pending{background:var(--brand-light);color:var(--brand)}.status-rejected{background:var(--danger-bg);color:var(--danger)}.mod-actions{display:flex;gap:7px;flex-wrap:wrap}.mod-score-pill{font-size:1rem;font-weight:800;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.score-high{background:var(--success-bg);color:var(--success)}.score-medium{background:var(--amber-bg);color:var(--amber)}.score-low{background:var(--danger-bg);color:var(--danger)}.flag-option{padding:7px 11px;border:1.5px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;font-size:.8rem;font-weight:600;background:var(--surface);transition:border-color .15s,background .15s}.flag-option.selected{border-color:var(--danger);background:var(--danger-bg);color:var(--danger)}.settings-section{border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--surface);overflow:hidden;margin-bottom:16px}.settings-section-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border);background:var(--surface-2)}.settings-section-header h3{font-size:.94rem;font-weight:700}.settings-body{padding:18px}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid var(--border)}.setting-row:last-child{border-bottom:none}.setting-label{font-size:.875rem;font-weight:600}.setting-desc{font-size:.78rem;color:var(--muted);margin-top:1px}.loading-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:56px 20px;gap:12px;color:var(--muted)}.spinner{width:34px;height:34px;border:3px solid var(--border);border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:44px 20px;color:var(--muted)}.empty-icon{font-size:2.3rem;margin-bottom:12px}.empty-state h3{font-weight:700;margin-bottom:7px;color:var(--text-2)}.teacher-panel{border:1px solid var(--border);box-shadow:var(--shadow-sm)}.teacher-panel-title{font-size:1.08rem;font-weight:800;margin-top:6px}.teacher-panel-copy{margin-top:8px;color:var(--muted);line-height:1.62;max-width:760px}.teacher-mini-panel{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-2);padding:14px}.teacher-area-row{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.teacher-attention-card{width:100%;border:1px solid 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var(--border);border-radius:var(--radius);padding:14px;background:var(--surface-2);display:flex;justify-content:space-between;align-items:flex-start;gap:14px}.teacher-roster-main{flex:1;min-width:0}.teacher-roster-name{font-size:.98rem;font-weight:800;margin-bottom:4px}.teacher-roster-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;min-width:145px}.teacher-detail-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a61;display:flex;align-items:center;justify-content:center;padding:18px;z-index:120}.teacher-detail-card{width:min(920px,100%);max-height:88vh;overflow:auto;background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:20px}.account-security-panel{border:1px solid var(--border);box-shadow:var(--shadow-sm)}.account-security-title{font-size:1.08rem;font-weight:800;margin-top:6px}.account-security-copy{margin-top:8px;color:var(--muted);line-height:1.62;max-width:720px}.account-security-provider-note,.account-security-item{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-2);padding:14px}.account-security-provider-note{margin-top:14px}.account-security-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin-top:14px}.account-security-value{margin-top:8px;font-weight:700;color:var(--text);word-break:break-word}.streak-badge{display:inline-flex;align-items:center;gap:5px;padding:7px 13px;border-radius:999px;background:var(--amber-bg);border:1.5px solid var(--amber-border);font-weight:700;font-size:.9rem;color:var(--amber)}.points-badge{display:inline-flex;align-items:center;gap:5px;padding:7px 13px;border-radius:999px;background:var(--brand-light);border:1.5px solid var(--maths-border);font-weight:700;font-size:.9rem;color:var(--brand)}@media (max-width: 900px){.tonight-grid,.task-layout{grid-template-columns:1fr}.task-sidebar{position:static}.topic-row{grid-template-columns:1fr auto}}@media (max-width: 1100px){.app-header{flex-direction:column;align-items:stretch;gap:10px;padding:12px 14px}.mobile-menu-btn{display:inline-flex;align-items:center;justify-content:center;min-width:88px;padding:8px 14px;border-radius:999px;border:1px solid var(--maths-border);background:var(--surface);color:var(--brand);font-weight:700;font-size:.82rem;box-shadow:var(--shadow-sm);cursor:pointer}.mobile-menu-btn.open{background:var(--brand-light)}.header-nav{display:none}.mobile-nav-panel{width:100%;display:none;flex-direction:column;align-items:stretch;gap:8px;padding:10px;border:1px solid var(--border);border-radius:18px;background:#ffffffeb;box-shadow:var(--shadow-sm)}.mobile-nav-panel.open{display:flex}.nav-link{width:100%;justify-content:flex-start;white-space:normal;padding:10px 12px;font-size:.82rem}.nav-role-badge{align-self:flex-start;margin-top:2px}.page-body{padding:0 12px 44px}.login-card{padding:26px 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.btn{width:100%}}.muted{color:var(--muted)}.text-sm{font-size:.875rem}.text-xs{font-size:.77rem}.font-bold{font-weight:700}.mb-4{margin-bottom:16px}.mt-4{margin-top:16px}.mb-6{margin-bottom:24px}.mt-6{margin-top:24px}.nav-link-button{border:0;background:transparent;font:inherit;cursor:pointer}.login-access-grid{display:grid;gap:10px;margin:14px 0 16px}.login-access-card{display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:start;padding:14px;border:1px solid var(--border);background:var(--surface-2);border-radius:var(--radius-lg)}.login-access-icon{width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:#fff;box-shadow:var(--shadow-sm);font-size:1.2rem}.login-access-title{font-weight:700;color:var(--text);margin-bottom:3px}.login-access-text{font-size:.84rem;color:var(--muted);line-height:1.45}.login-shell{min-height:100vh;display:flex;align-items:stretch;background:linear-gradient(135deg,#eef4ff,#f0fdfa)}.login-hero-panel{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 40px;background:linear-gradient(160deg,#eef4ff,#dbe4ff,#f0fdfa);border-right:1px solid var(--border)}.login-card{width:100%;max-width:460px;padding:48px 44px;background:var(--surface);display:flex;flex-direction:column;justify-content:center;overflow-y:auto}.login-trust-strip{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;font-size:.82rem;font-weight:600;color:var(--muted)}@media (max-width: 860px){.login-hero-panel{display:none}.login-shell{justify-content:center;align-items:flex-start;background:var(--bg)}.login-card{max-width:100%;padding:32px 24px;min-height:100vh}}.img-library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.retry-banner{grid-column:1 / -1;background:var(--amber-bg);border:1px solid var(--amber-border);border-radius:12px;padding:10px 16px;display:flex;align-items:center;gap:10px;margin-bottom:2px}.plan-card{border-radius:var(--radius-lg);padding:24px;border:1px solid var(--border);background:var(--surface)}.plan-card.current{border:2px solid var(--brand)}.rewards-arcade-shell{min-height:100vh;padding:max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));background:radial-gradient(circle at top left,rgba(59,91,219,.16),transparent 34%),radial-gradient(circle at bottom right,rgba(13,148,136,.14),transparent 32%),linear-gradient(180deg,#f5f8ff,#effbf7)}.rewards-arcade-top{width:min(1440px,100%);margin:0 auto 14px;padding:16px 18px;border-radius:24px;background:#ffffffe6;border:1px solid rgba(226,232,240,.9);box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}.rewards-arcade-brand{display:flex;align-items:center;gap:14px}.rewards-arcade-brand img,.rewards-timeup-icon{width:52px;height:52px;padding:8px;border-radius:16px;background:linear-gradient(135deg,#eef2ff,#f0fdfa);border:1px solid var(--border)}.rewards-arcade-brand h1{font-size:clamp(1.4rem,3vw,2rem);margin-bottom:4px}.rewards-arcade-brand p{color:var(--muted);max-width:680px}.rewards-arcade-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.rewards-timer-card{min-width:150px;padding:10px 14px;border-radius:18px;background:var(--amber-bg);border:1px solid var(--amber-border);color:var(--amber);display:flex;flex-direction:column;gap:2px}.rewards-timer-card span{font-size:.76rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700}.rewards-timer-card strong{font-size:1.4rem}.rewards-arcade-home,.reward-game-shell{width:min(1440px,100%);margin:0 auto}.rewards-arcade-intro{margin-bottom:14px;display:grid;grid-template-columns:1.4fr .8fr;gap:14px;align-items:start}.rewards-arcade-intro h2{margin-bottom:6px}.rewards-arcade-note{padding:14px;border-radius:18px;background:var(--surface-2);border:1px solid var(--border)}.rewards-arcade-note span{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--brand-light);color:var(--brand);font-size:.74rem;font-weight:700;margin-bottom:8px}.rewards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.reward-game-card{display:flex;flex-direction:column;gap:10px;min-height:240px;padding:18px;border-radius:24px;background:#fffffff0;border:1px solid rgba(226,232,240,.95);box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s,border-color .18s}.reward-game-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.reward-game-card.blue:hover{border-color:var(--maths-border)}.reward-game-card.amber:hover{border-color:var(--amber-border)}.reward-game-card.teal:hover{border-color:var(--reading-border)}.reward-game-card.pink:hover{border-color:#f9a8d4}.reward-game-card.violet:hover{border-color:#c4b5fd}.reward-card-thumb{width:62px;height:62px;display:grid;place-items:center;border-radius:18px;background:linear-gradient(135deg,#eef2ff,#f0fdfa);border:1px solid var(--border)}.reward-card-thumb img{width:42px;height:42px}.reward-game-card h3{font-size:1.12rem}.reward-game-card p{color:var(--muted);font-size:.9rem;line-height:1.55;flex:1}.reward-card-play{display:inline-flex;align-items:center;width:fit-content;padding:7px 12px;border-radius:999px;background:var(--text);color:#fff;font-size:.82rem;font-weight:700}.reward-game-meta{margin-bottom:12px}.reward-game-stage{min-height:calc(100vh - 220px);padding:14px;border-radius:28px;background:#ffffffb8;border:1px solid rgba(226,232,240,.9);box-shadow:var(--shadow-lg)}.arcade-iframe-wrap,.arcade-game-canvas{width:100%;min-height:min(70vh,820px);height:calc(100vh - 280px);border-radius:22px;overflow:hidden;background:linear-gradient(180deg,#fff,#f8fafc);border:1px solid var(--border)}.arcade-iframe{width:100%;height:100%;border:0;display:block}.arcade-canvas-shell,.balloon-game-shell,.maze-main-panel,.memory-game{display:flex;flex-direction:column;gap:12px}.arcade-canvas-topline{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap}.arcade-pill-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.arcade-pill{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:6px 12px;border-radius:999px;background:#ffffffdb;border:1px solid var(--border);color:var(--text);font-size:.83rem;font-weight:800}.arcade-pill.amber{background:var(--amber-bg);border-color:var(--amber-border);color:var(--amber)}.arcade-pill.teal{background:var(--reading-bg);border-color:var(--reading-border);color:var(--reading)}.arcade-pill.pink{background:#fdf2f8;border-color:#f9a8d4;color:#be185d}.arcade-pill.violet{background:#f5f3ff;border-color:#c4b5fd;color:#6d28d9}.arcade-status-text,.arcade-canvas-footnote{color:var(--muted);font-size:.9rem;line-height:1.55}.arcade-inline-panel{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:14px 16px;border-radius:18px;background:#ffffffe6;border:1px solid var(--border);box-shadow:var(--shadow-sm)}.arcade-inline-panel strong{display:block;margin-bottom:4px;font-size:.95rem}.arcade-inline-panel p{color:var(--muted);font-size:.88rem;line-height:1.5}.arcade-inline-panel.success{background:var(--success-bg);border-color:#86efac}.arcade-inline-panel.warn{background:var(--amber-bg);border-color:var(--amber-border)}.arcade-inline-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.arcade-small-btn{min-height:38px;padding:8px 14px;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--text);font-weight:800;cursor:pointer}.arcade-small-btn.primary{background:linear-gradient(135deg,#4263eb,#0d9488);border-color:transparent;color:#fff}.arcade-canvas-footnote{text-align:center}.maze-game{display:grid;grid-template-columns:1fr 260px;gap:14px;align-items:start}.maze-game.portrait{grid-template-columns:1fr}.maze-board-wrap{overflow:auto;padding-bottom:4px;padding-right:4px}.maze-board{display:grid;justify-content:start;background:linear-gradient(180deg,#fefefe,#f8fbff);border-radius:24px;border:1px solid var(--border);overflow:hidden;box-shadow:inset 0 0 0 1px #ffffff8c}.maze-cell{position:relative;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#f8fbff,#eff6ff);border-style:solid;border-color:#93c5fd;padding:0;cursor:pointer}.maze-cell img{width:42%;height:42%;opacity:.92}.maze-cell.goal{background:linear-gradient(180deg,#ecfdf5,#d1fae5)}.maze-cell.trail{background:linear-gradient(180deg,#eff6ff,#dbeafe)}.maze-cell.goal span{font-size:1.1rem;line-height:1}.maze-cell.current{background:linear-gradient(180deg,#dbeafe,#bfdbfe)}.maze-player-dot{position:absolute;top:7px;right:7px;bottom:7px;left:7px;border-radius:999px;background:linear-gradient(135deg,var(--brand),#14b8a6);box-shadow:0 0 0 3px #ffffffc7}.maze-side{display:flex;flex-direction:column;gap:12px}.maze-pad{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.maze-pad-btn{min-height:52px;padding:12px;border-radius:14px;border:1px solid var(--border);background:#fff;font-weight:700;cursor:pointer;box-shadow:var(--shadow-sm)}.arcade-mini-stat,.arcade-inline-celebration{padding:12px 14px;border-radius:16px;background:#fff;border:1px solid var(--border);font-weight:700;line-height:1.5}.arcade-inline-celebration{background:var(--success-bg);color:var(--success)}.balloon-game{min-height:calc(100vh - 360px);border-radius:22px;background:linear-gradient(180deg,#fff7ed,#eef2ff);border:1px solid var(--border);overflow:hidden;display:flex;flex-direction:column}.balloon-hud{display:flex;justify-content:space-between;gap:10px;padding:12px 16px;color:var(--muted);font-size:.9rem;font-weight:700}.balloon-playfield{position:relative;flex:1;min-height:420px;overflow:hidden;background:radial-gradient(circle at 20% 16%,rgba(255,255,255,.85),transparent 18%),radial-gradient(circle at 72% 24%,rgba(255,255,255,.6),transparent 18%),linear-gradient(180deg,#ffffff73,#fff0)}.balloon-hint{position:absolute;top:12px;left:50%;transform:translate(-50%);z-index:1;padding:7px 12px;border-radius:999px;background:#ffffffd6;border:1px solid rgba(226,232,240,.9);color:var(--muted);font-size:.78rem;font-weight:700;white-space:nowrap}.balloon-item{position:absolute;bottom:-80px;border:none;border-radius:999px;display:grid;place-items:center;cursor:pointer;animation:balloonRise linear forwards;box-shadow:var(--shadow);font-weight:800}.balloon-item.good{background:linear-gradient(135deg,#34d399,#10b981);color:#fff}.balloon-item.bad{background:linear-gradient(135deg,#fb7185,#ef4444);color:#fff}.balloon-item img{width:70%;height:70%}@keyframes balloonRise{0%{transform:translateY(0);opacity:.95}to{transform:translateY(calc(-1 * var(--travel-distance, 560px)));opacity:.98}}.memory-game{display:flex;flex-direction:column;gap:14px}.memory-grid{display:grid;gap:12px}.memory-card{aspect-ratio:1 / 1;perspective:900px;background:transparent;border:none;padding:0;cursor:pointer}.memory-card-inner{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .32s ease}.memory-card.is-open .memory-card-inner,.memory-card.is-matched .memory-card-inner{transform:rotateY(180deg)}.memory-card-face{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;border-radius:20px;border:1px solid var(--border);display:grid;place-items:center;box-shadow:var(--shadow)}.memory-card-back{background:linear-gradient(160deg,#dbeafe,#ecfeff)}.memory-card-front{background:linear-gradient(180deg,#fff,#f8fafc);transform:rotateY(180deg);gap:6px}.memory-card-back img,.memory-card-front img{width:40%;height:40%}.memory-token{width:58%;aspect-ratio:1 / 1;border-radius:18px;display:grid;place-items:center;font-size:clamp(1.5rem,3.8vw,2.3rem);line-height:1;font-weight:900;color:#fff;box-shadow:0 10px 22px #0f172a1f}.memory-token.gold{background:linear-gradient(135deg,#fbbf24,#f59e0b)}.memory-token.violet{background:linear-gradient(135deg,#a78bfa,#7c3aed)}.memory-token.blue{background:linear-gradient(135deg,#60a5fa,#2563eb)}.memory-token.teal{background:linear-gradient(135deg,#2dd4bf,#0f766e)}.memory-token.pink{background:linear-gradient(135deg,#f472b6,#db2777)}.memory-token.amber{background:linear-gradient(135deg,#f59e0b,#d97706)}.memory-token.orange{background:linear-gradient(135deg,#fb923c,#ea580c)}.memory-card.is-matched .memory-card-front{background:linear-gradient(180deg,#ecfdf5,#f8fafc);border-color:#86efac}.memory-card-front small{font-size:.72rem;font-weight:700;color:var(--muted)}.connect4-shell{display:flex;flex-direction:column;gap:18px}.connect4-game{display:flex;flex-direction:column;gap:18px;padding:18px;border-radius:24px;border:1px solid var(--border);background:radial-gradient(circle at 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span:last-child{font-size:.84rem;color:var(--text-2)}.rewards-timeup-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:30;display:grid;place-items:center;padding:20px;background:#0f172a5c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}@media (max-width: 980px){.rewards-arcade-intro,.maze-game{grid-template-columns:1fr}.connect4-game{padding:14px}.connect4-cell{min-height:48px;padding:6px}.connect4-legend{grid-template-columns:1fr}.maze-board-wrap{display:flex;justify-content:center}.reward-game-stage{min-height:calc(100vh - 260px)}}@media (max-width: 640px){.rewards-arcade-shell{padding:max(10px,env(safe-area-inset-top)) max(10px,env(safe-area-inset-right)) max(10px,env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left))}.rewards-arcade-top{padding:14px;margin-bottom:10px}.rewards-arcade-brand{align-items:flex-start}.rewards-arcade-brand img{width:46px;height:46px}.reward-game-stage{padding:10px;min-height:calc(100vh - 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var(--border);box-shadow:var(--shadow-sm);flex-wrap:wrap}.reward-game-bar-left{display:flex;align-items:center;gap:12px;min-width:0}.reward-game-bar-emoji{font-size:1.6rem;flex-shrink:0}.reward-game-bar-left strong{display:block;font-size:1rem;font-weight:800;margin-bottom:2px}.reward-game-bar-hint{display:block;font-size:.8rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@media (max-width: 640px){.reward-game-bar{padding:10px 14px}.reward-game-bar-hint{display:none}}.rewards-arcade-intro{display:block;padding:16px 18px;margin-bottom:14px;border-radius:20px;background:#ffffffe0;border:1px solid var(--border);box-shadow:var(--shadow-sm)}.rewards-arcade-intro h2{font-size:1.3rem;margin-bottom:4px}.rewards-arcade-intro p{margin-bottom:0}@keyframes wrongShake{0%,to{transform:rotateY(180deg) translate(0)}25%{transform:rotateY(180deg) translate(-4px)}75%{transform:rotateY(180deg) translate(4px)}}.memory-card.is-wrong .memory-card-inner{animation:wrongShake 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24px}.lp-step-num{width:42px;height:42px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;font-size:1.1rem;display:flex;align-items:center;justify-content:center;margin-bottom:16px;flex-shrink:0}.lp-step-title{font-size:1.05rem;font-weight:700;color:var(--text);margin-bottom:8px}.lp-step-text{font-size:.92rem;line-height:1.68;color:var(--muted)}.lp-subjects-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:8px}.lp-subject-card{border-radius:var(--radius-xl);padding:32px 28px;border:2px solid transparent}.lp-subject-maths{background:linear-gradient(135deg,#eef2ff,#f0f4ff);border-color:var(--maths-border)}.lp-subject-reading{background:linear-gradient(135deg,#f0fdfa,#f0fdf9);border-color:var(--reading-border)}.lp-subject-icon{width:54px;height:54px;margin-bottom:14px;display:inline-flex;align-items:center;justify-content:center;border-radius:16px;background:#ffffff8c;box-shadow:inset 0 0 0 1px #ffffff73}.lp-subject-icon svg{width:38px;height:38px;display:block}.lp-subject-card h3{font-size:1.2rem;font-weight:800;color:var(--text);margin-bottom:10px}.lp-subject-card p{font-size:.93rem;line-height:1.68;color:var(--muted);margin-bottom:18px}.lp-subject-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.lp-subject-list li{font-size:.87rem;color:var(--text-2);font-weight:500;padding-left:20px;position:relative;line-height:1.4}.lp-subject-list li:before{content:"✓";position:absolute;left:0;color:var(--success);font-weight:800}.lp-features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}.lp-feature-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px 20px}.lp-feature-icon{width:52px;height:52px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px;background:linear-gradient(135deg,#eff6ff,#f8fbff);border:1px solid #dbeafe;box-shadow:0 10px 22px 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