@import"https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600&display=swap";:root{--primary: #8c2bee;--primary-glow: rgba(140, 43, 238, .2);--primary-light: #f4ebff;--secondary: #00d2ff;--bg-main: #f8f9fa;--bg-sidebar: #ffffff;--bg-card: #ffffff;--text-main: #1a1a1e;--text-muted: #626262;--border: rgba(0, 0, 0, .08);--notification-dot: #ff4757;--card-shadow: 0 10px 40px rgba(0, 0, 0, .04);--transition: all .3s cubic-bezier(.4, 0, .2, 1);--radius-lg: 1.5rem;--radius-md: 1rem;--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(255, 255, 255, .4)}.sidebar{transition:background-color .3s ease,border-color .3s ease}[data-theme=dark] .sidebar{background:#111827;border-right:1px solid #1f2937}[data-theme=dark]{--bg-main: #0b0c14;--bg-sidebar: #131521;--bg-card: #1a1d2d;--text-main: #f8fafc;--text-muted: #94a3b8;--border: rgba(255, 255, 255, .1);--primary-light: rgba(140, 43, 238, .15);--card-shadow: 0 20px 50px rgba(0, 0, 0, .5);--glass-bg: rgba(26, 29, 45, .8);--glass-border: rgba(255, 255, 255, .05)}body{font-family:Lexend,sans-serif;color:var(--text-main);background-color:var(--bg-main)}[data-theme=dark] h1,[data-theme=dark] h2,[data-theme=dark] h3,[data-theme=dark] h4,[data-theme=dark] table,[data-theme=dark] input,[data-theme=dark] select,[data-theme=dark] button:not(.primary-btn),[data-theme=dark] .admin-card-value{color:#fff}[data-theme=dark] select option{background-color:var(--bg-sidebar);color:#fff}[data-theme=dark] .text-muted,[data-theme=dark] .stat-label,[data-theme=dark] .nav-group-label,[data-theme=dark] .round-label,[data-theme=dark] .timer-label,[data-theme=dark] .quest-label{color:var(--text-muted)!important}[data-theme=dark] .nav-item:not(.active){color:var(--text-muted)}[data-theme=dark] .nav-item:not(.active) svg{color:var(--text-muted)}.admin-view select,.admin-select-field{background-color:#ffffff0d;border:1px solid #334155;color:#fff;padding:6px 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10px;border-radius:20px;font-size:.75rem;font-weight:700;width:fit-content}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Lexend,sans-serif;background-color:var(--bg-main);color:var(--text-main);line-height:1.6}.glass-card{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-radius:var(--radius-lg);border:1px solid var(--glass-border);box-shadow:var(--card-shadow);transition:var(--transition)}.glass-card:hover{transform:translateY(-4px);box-shadow:0 15px 45px #8c2bee1a;border-color:var(--primary-glow)}.gradient-text{background:linear-gradient(135deg,var(--primary),#5e17eb);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.text-primary{color:var(--primary)}.bg-primary{background-color:var(--primary)}.fade-in{animation:fadeIn .5s ease-out forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.app-layout{display:flex;min-height:100vh}.sidebar{width:280px;background:var(--bg-sidebar);border-right:1px solid var(--border);padding:2.5rem 1.5rem;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:100}.main-content{flex:1;padding:2.5rem}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.5rem;margin-bottom:2.5rem}.nav-item{display:flex;align-items:center;gap:14px;padding:14px 18px;border-radius:var(--radius-md);color:var(--text-muted);text-decoration:none;margin-bottom:8px;transition:var(--transition);cursor:pointer;font-weight:500}.nav-item:hover{background:var(--primary-light);color:var(--primary);transform:translate(4px)}.nav-item.active{background:var(--primary);color:#fff;box-shadow:0 8px 20px var(--primary-glow)}.nav-item.active span{color:#fff}.nav-item.active svg{color:#fff}.diagnostic-view{padding:1rem}.retention-heatmap{display:flex;flex-direction:column;gap:12px}.heatmap-row{display:flex;align-items:center;gap:15px}.lvl-label{font-size:.8rem;font-weight:600;width:40px;color:var(--text-muted)}.heatmap-bar-bg{flex:1;height:12px;background:#0000000d;border-radius:6px;overflow:hidden}.heatmap-bar{height:100%;border-radius:6px;transition:width 1s ease-in-out}.heatmap-bar.fill-5{background:linear-gradient(90deg,#8c2bee,#6c5ce7)}.heatmap-bar.fill-4{background:#a29bfe}.heatmap-bar.fill-3{background:#74b9ff}.heatmap-bar.fill-2{background:#fab1a0}.heatmap-bar.fill-1{background:#ff7675}.heatmap-bar.fill-0{background:#dfe6e9}.cluster-item{display:flex;justify-content:space-between;align-items:center;transition:var(--transition)}.cluster-item:hover{transform:translate(5px);border-color:var(--primary)}.status-pill.high-risk{animation:pulse-red 2s infinite}@keyframes pulse-red{0%{box-shadow:0 0 #ff475766}70%{box-shadow:0 0 0 10px #ff475700}to{box-shadow:0 0 #ff475700}}.word-sentence{background:#00000008;padding:8px;border-left:3px solid var(--primary);border-radius:0 4px 4px 0;font-size:.85rem}.word-metadata{border-top:1px solid var(--border);padding-top:8px;font-family:Inter,sans-serif}.monster-slayer-banner{background:linear-gradient(135deg,#2d3436,#000);color:#fff;padding:1.5rem;display:flex;justify-content:space-between;align-items:center;overflow:hidden;position:relative;cursor:pointer;transition:var(--transition)}.monster-slayer-banner:hover{transform:translateY(-3px);box-shadow:0 10px 30px #0000004d}.monster-icon{font-size:4rem;opacity:.3;position:absolute;right:-10px;bottom:-10px}.nav-list{flex:1;display:flex;flex-direction:column;gap:8px}.logo-box{width:32px;height:32px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;border-radius:8px;font-weight:800;box-shadow:0 4px 10px #8c2bee4d}.sidebar-footer{margin-top:auto;border-top:1px solid var(--border);padding-top:1.5rem;display:flex;flex-direction:column;gap:1rem}.profile-card{display:flex;align-items:center;gap:12px;padding:12px;background:var(--bg-main);border-radius:12px}.avatar{width:40px;height:40px;background:var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:600;color:var(--primary)}.profile-info .name{font-size:.9rem;font-weight:700;color:var(--text-main)}.profile-info .role{font-size:.75rem;color:var(--text-muted)}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2.5rem}.header h1{font-size:1.8rem;font-weight:800;margin-bottom:4px;color:var(--text-main)}.header-right{display:flex;align-items:center;gap:1.5rem}.search-bar{display:flex;align-items:center;gap:10px;background:var(--bg-sidebar);border:1px solid var(--border);padding:8px 16px;border-radius:12px;width:300px}.search-bar input{border:none;background:transparent;outline:none;width:100%;font-family:inherit}.icon-btn{width:44px;height:44px;border:1px solid var(--border);border-radius:12px;background:var(--bg-sidebar);display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer}.notification-dot{position:absolute;top:10px;right:10px;width:8px;height:8px;background:#ff4757;border-radius:50%;border:2px solid var(--bg-sidebar)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-bottom:2.5rem}.stat-card{padding:1.5rem;display:flex;align-items:center;gap:16px}.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center}.border-purple .stat-icon{background:#f4ebff;color:#8c2bee}.border-blue .stat-icon{background:#e0f2ff;color:#0084ff}.border-orange .stat-icon{background:#fff4e5;color:#f90}.border-red .stat-icon{background:#ffebeb;color:#ff4757}.stat-label{font-size:.85rem;color:var(--text-muted)}.stat-value{font-size:1.5rem;font-weight:800;color:var(--text-main)}.stat-trend{font-size:.75rem;font-weight:600;color:#2ed573}.dashboard-grid{display:grid;grid-template-columns:1fr 340px;gap:1.5rem}.performance-section{padding:1.5rem}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.period-select{border:1px solid var(--border);padding:6px 12px;border-radius:8px;outline:none;font-family:inherit}.chart-placeholder{height:200px;position:relative}.performance-chart{width:100%;height:100%}.chart-labels{display:flex;justify-content:space-between;margin-top:10px;color:var(--text-muted);font-size:.8rem}.streaks-section{padding:1.5rem}.streak-list{display:flex;flex-direction:column;gap:1rem}.streak-item{display:flex;align-items:center;gap:12px;padding:12px;background:var(--bg-main);border-radius:12px;transition:var(--transition)}.streak-item:hover{transform:translate(5px);background:var(--bg-card);box-shadow:0 4px 10px #00000008}.streak-avatar{width:36px;height:36px;background:var(--primary-light);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;color:var(--primary)}.streak-info{flex:1}.streak-name{font-size:.9rem;font-weight:600;color:var(--text-main)}.streak-count{font-size:.75rem;color:var(--text-muted)}.full-width{grid-column:span 2;padding:1.5rem}.student-table{width:100%;border-collapse:collapse}.student-table th{text-align:left;padding:12px;color:var(--text-muted);font-size:.85rem;border-bottom:1px solid var(--border)}.student-table td{padding:16px 12px;border-bottom:1px solid var(--border)}.student-info{display:flex;align-items:center;gap:12px;font-weight:600;color:var(--text-main)}.mini-avatar{width:32px;height:32px;background:var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.7rem}.progress-container{display:flex;align-items:center;gap:10px}.progress-bar{height:6px;background:var(--border);border-radius:3px;position:relative;overflow:hidden;flex:1;max-width:120px}.progress-bar:after{content:"";position:absolute;top:0;left:0;height:100%;background:var(--primary);width:inherit}.progress-text{font-size:.8rem;color:var(--text-muted);width:35px}.status-pill{padding:4px 12px;border-radius:20px;font-size:.75rem;font-weight:600}.status-pill.active{background:#2ed57326;color:#2ed573}.status-pill.idle{background:var(--border);color:var(--text-muted)}.status-pill.at-risk{background:#ff475726;color:#ff4757}.view-btn{padding:6px 12px;border:1px solid var(--border);background:var(--bg-card);border-radius:8px;cursor:pointer;font-family:inherit;font-weight:500;transition:var(--transition)}.view-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.view-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.filter-bar{display:flex;gap:1rem;padding:1rem;margin-bottom:1.5rem;align-items:center}.search-input-full{flex:1;padding:10px 16px;border:1px solid var(--border);border-radius:10px;outline:none;font-family:inherit;background:var(--bg-card);color:var(--text-main)}.search-input-full:focus{border-color:var(--primary)}.filter-bar select{padding:10px;border-radius:8px;border:1px solid var(--border);outline:none;font-family:inherit;background:var(--bg-card);color:var(--text-main)}.text-success{color:#2ed573;font-weight:700}.text-danger{color:#ff4757;font-weight:700}.p-0{padding:0!important}.overflow-hidden{overflow:hidden}.nav-group-label{font-size:.7rem;font-weight:700;color:var(--text-muted);letter-spacing:.05em;margin-bottom:.8rem}.mode-toggle{display:flex;background:var(--bg-main);padding:4px;border-radius:10px;margin-bottom:.5rem}.mode-toggle button{flex:1;padding:8px;border:none;background:transparent;border-radius:8px;font-size:.8rem;font-weight:600;cursor:pointer;transition:var(--transition);color:var(--text-muted)}.mode-toggle button.active{background:var(--bg-card);color:var(--primary);box-shadow:0 2px 8px #0000000d}.learning-recommendation{padding:1.5rem}.rec-list{display:flex;flex-direction:column;gap:12px}.rec-item{display:flex;align-items:center;gap:16px;padding:16px;transition:var(--transition)}.rec-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center}.rec-info{flex:1}.rec-title{font-weight:600;font-size:.95rem;color:var(--text-main)}.rec-count{font-size:.8rem;color:var(--text-muted)}.primary-btn{padding:10px 20px;border:none;background:var(--primary);color:#fff;border-radius:8px;font-weight:600;cursor:pointer;transition:var(--transition)}.primary-btn:hover{filter:brightness(1.1)}.primary-btn.mini{padding:6px 16px;font-size:.8rem}.primary-btn.disabled{background:var(--border);color:var(--text-muted);cursor:not-allowed}.achievements-section{padding:1.5rem}.badge-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.badge-icon{height:80px;display:flex;align-items:center;justify-content:center;color:var(--text-muted)}.badge-icon.active{color:var(--primary);background:var(--primary-light);border-color:var(--primary-light)}.level-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}.level-card{padding:2rem;display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden}.level-badge{font-size:.7rem;font-weight:800;color:var(--primary);background:var(--primary-light);padding:4px 10px;border-radius:6px;display:inline-block;width:fit-content}.level-title{font-size:1.25rem;font-weight:700;color:var(--text-main)}.level-progress-area{margin:1rem 0}.status-label{font-size:.75rem;font-weight:600;display:block;margin-top:8px}.level-card.locked{opacity:.6;background:var(--bg-main)}.bar-chart-sim{display:flex;align-items:flex-end;justify-content:space-between;height:200px;padding-top:2rem;gap:10px}.bar-group{flex:1;display:flex;flex-direction:column;align-items:center;gap:10px}.bar{width:100%;background:var(--primary-light);border-radius:6px 6px 0 0;transition:height 1s ease-out;position:relative}.bar:hover{background:var(--primary)}.bar:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(180deg,rgba(255,255,255,.2) 0%,transparent 100%)}.monster-slayer-banner{display:flex;align-items:center;justify-content:space-between;padding:1.5rem;background:linear-gradient(135deg,var(--bg-card),var(--primary-light));border:2px solid var(--primary-light);cursor:pointer;transition:var(--transition);margin-bottom:2rem}.monster-slayer-banner:hover{transform:translateY(-5px);box-shadow:0 10px 20px #8c2bee1a}.monster-icon{font-size:3rem;filter:drop-shadow(0 5px 10px rgba(0,0,0,.1))}.battle-arena{padding:3rem;text-align:center}.monster-area{margin-bottom:3rem}.monster-sprite{font-size:6rem;margin:1rem 0;animation:float 3s ease-in-out infinite}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-20px)}to{transform:translateY(0)}}.monster-name{font-weight:800;font-size:1.2rem;margin-bottom:10px}.hp-bar-outer.mini{height:8px;max-width:300px;margin:0 auto}.hp-bar-inner.red{background:#ff4757}.review-quest{max-width:600px;margin:0 auto}.quest-text{font-size:1.25rem;font-weight:600;margin-bottom:2rem}.options-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.option-btn{padding:1.5rem;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;font-family:inherit;font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition)}.option-btn:hover{border-color:var(--primary);background:var(--primary-light);color:var(--primary);transform:translateY(-2px)}.mt-4{margin-top:1rem!important}.mt-2{margin-top:.5rem!important}.arena-view{display:flex;flex-direction:column;gap:1.5rem;max-width:1000px;margin:0 auto}.arena-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;text-align:center}.battle-timer,.battle-round{display:flex;flex-direction:column}.timer-label,.round-label{font-size:.6rem;font-weight:800;color:var(--text-muted)}.timer-value,.round-value{font-size:1.25rem;font-weight:800;color:var(--primary)}.vs-badge{background:#ff4757;color:#fff;padding:2px 8px;border-radius:4px;font-weight:900;font-size:.8rem;margin-bottom:4px;display:inline-block}.arena-battlefield{display:grid;grid-template-columns:240px 1fr 240px;gap:2rem;align-items:center;min-height:400px}.arena-player{display:flex;flex-direction:column;gap:1.5rem;padding:1.5rem;transition:var(--transition)}.arena-player.current{transform:scale(1.05)}.player-profile{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px}.player-avatar{width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:800;background:var(--primary-light);color:var(--primary);border:4px solid var(--bg-card);box-shadow:0 4px 15px #0000001a}.player-name{font-weight:700;font-size:1rem;color:var(--text-main)}.player-score{font-size:.85rem;font-weight:600;color:var(--primary)}.health-system{width:100%}.hp-bar-outer{width:100%;height:10px;background:var(--border);border-radius:5px;overflow:hidden;margin-bottom:6px}.hp-bar-inner{height:100%;background:linear-gradient(90deg,#ff4757,#ff6b81);transition:width .5s cubic-bezier(.4,0,.2,1)}.hp-value{font-size:.7rem;font-weight:700;color:var(--text-muted)}.quest-area{padding:3rem 2rem;text-align:center;position:relative;border-width:2px}.quest-area.glow{box-shadow:0 0 30px #8c2bee26;border-color:var(--primary-light)}.quest-label{font-size:.8rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.quest-word{font-size:3rem;font-weight:800;margin:1.5rem 0 2rem;color:var(--text-main)}.answer-input-wrapper{display:flex;gap:10px;max-width:400px;margin:0 auto}.answer-input{flex:1;padding:12px 20px;border-radius:12px;border:2px solid var(--border);font-family:inherit;font-size:1rem;font-weight:600;outline:none;transition:var(--transition);background:var(--bg-card);color:var(--text-main)}.answer-input:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-light)}.battle-log{padding:1.5rem}.log-header{font-size:.75rem;font-weight:800;color:var(--text-muted);margin-bottom:1rem;padding-bottom:.5rem;border-bottom:1px solid var(--border)}.log-entries{display:flex;flex-direction:column;gap:8px}.log-entry{font-size:.85rem;font-weight:500}.celebration-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0009;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:2rem}.celebration-card{max-width:500px;width:100%;background:var(--bg-card);padding:4rem 2rem;text-align:center;position:relative;border-width:2px;border-color:var(--primary);border-radius:24px;box-shadow:0 20px 50px #0000004d}.confetti-sim{font-size:3rem;margin-bottom:1rem}.crown-icon{font-size:5rem;margin-bottom:2rem;display:inline-block;animation:bounce 2s infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}.reward-summary{display:flex;justify-content:center;gap:2rem;margin:3rem 0}.reward-item{display:flex;flex-direction:column;gap:8px}.reward-item span{font-size:.8rem;font-weight:700;color:var(--text-muted)}.reward-item strong{font-size:1.5rem;color:var(--primary)}.primary-btn.wide{width:100%;padding:1.25rem;font-size:1.1rem}.fade-in-up{animation:fadeInUp .5s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.log-entry.success{color:#2ed573;font-weight:700}.log-entry.error{color:#ff4757;font-weight:700}.log-entry.system{color:var(--text-muted)}.game-result{padding:4rem 2rem}.game-result.won h2,.game-result.lost h2{font-size:3rem;margin-bottom:1rem}.player-vitals{max-width:300px;margin:0 auto}.badge-icon{flex-direction:column;gap:8px;position:relative;padding:1rem!important;height:auto!important}.badge-label-mini{font-size:.65rem;font-weight:700;color:var(--text-muted);text-align:center}.badge-icon.active .badge-label-mini{color:var(--primary)}.podium-container{display:flex;align-items:flex-end;justify-content:center;gap:2rem;margin:3rem 0;padding-bottom:2rem}.podium-item{display:flex;flex-direction:column;align-items:center;gap:10px;position:relative}.podium-avatar{width:70px;height:70px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.2rem;border:4px solid var(--bg-card);box-shadow:var(--card-shadow)}.podium-rank{width:24px;height:24px;border-radius:50%;background:var(--text-muted);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:800;margin-top:-15px;z-index:2}.podium-item.first .podium-avatar{width:100px;height:100px;font-size:1.8rem;border-color:gold}.podium-item.first .podium-rank{background:gold;color:#000;width:32px;height:32px;font-size:.9rem;margin-top:-20px}.podium-item.second .podium-rank{background:silver;color:#000}.podium-item.third .podium-rank{background:#cd7f32;color:#000}.podium-name{font-weight:700;font-size:.95rem;color:var(--text-main)}.podium-score{color:var(--primary);font-weight:800;font-size:1.1rem}.crown-mini{font-size:2rem;position:absolute;top:-25px;transform:rotate(-15deg)}.score-cell{font-weight:800;color:var(--primary)}.rank-cell{font-weight:800;color:var(--text-muted);padding-left:2rem!important}.search-input-full{flex:1;padding:12px 20px;border-radius:12px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-main);font-family:inherit;font-size:.95rem;outline:none;transition:var(--transition)}.search-input-full:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-light)}.custom-select{padding:10px 15px;border-radius:10px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-main);font-family:inherit;cursor:pointer}.select-group{display:flex;gap:10px}.word-list-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin-top:2rem}.word-card{padding:1.5rem;display:flex;flex-direction:column;gap:1rem;position:relative;border-left:4px solid var(--border);transition:var(--transition)}.word-card:hover{transform:translateY(-5px);border-left-color:var(--primary)}.word-card.mastered{border-left-color:#2ed573;opacity:.8}.word-header{display:flex;justify-content:space-between;align-items:center}.word-type{font-size:.7rem;font-weight:800;color:var(--text-muted);text-transform:uppercase;background:var(--bg-main);padding:4px 8px;border-radius:6px}.word-en{font-size:1.4rem;font-weight:800;color:var(--text-main)}.word-kr{font-size:1rem;color:var(--text-muted);font-weight:500}.word-footer{margin-top:auto;padding-top:1rem;border-top:1px solid var(--border)}.mastery-toggle{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:.8rem;font-weight:700;color:var(--text-muted)}.mastery-toggle input{cursor:pointer;width:16px;height:16px;accent-color:#2ed573}.word-card.mastered .toggle-text{color:#2ed573}.icon-btn-lite{color:var(--text-muted);cursor:pointer;transition:var(--transition);padding:4px;border-radius:4px}.icon-btn-lite:hover{background:var(--bg-main);color:var(--primary)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-main);overflow:hidden;position:relative;padding:20px}.auth-background{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0}.blob{position:absolute;width:500px;height:500px;background:#8c2bee1a;filter:blur(80px);border-radius:50%;top:-10%;left:-10%;animation:move 20s infinite alternate}.blob.second{background:#00d2ff1a;top:50%;left:60%;animation:move 25s infinite alternate-reverse}.blob.third{background:#ff47570d;top:10%;left:40%;animation:move 15s infinite alternate}@keyframes move{0%{transform:translate(0) scale(1)}to{transform:translate(10%,10%) scale(1.1)}}.auth-card{position:relative;z-index:1;width:100%;max-width:420px;padding:3rem 2.5rem;text-align:center;border-radius:24px;box-shadow:0 20px 40px #0000001a}.logo-box.large{width:64px;height:64px;font-size:2rem;margin:0 auto}.auth-form{margin-top:2rem;display:flex;flex-direction:column;gap:15px}.input-group{position:relative;display:flex;align-items:center}.input-group svg{position:absolute;left:15px;color:var(--text-muted)}.input-group input{width:100%;padding:14px 15px 14px 45px;border-radius:12px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-main);font-family:inherit;outline:none;transition:var(--transition)}.input-group input:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-light)}.auth-divider{margin:2rem 0;position:relative;display:flex;align-items:center;justify-content:center}.auth-divider:before{content:"";position:absolute;width:100%;height:1px;background:var(--border)}.auth-divider span{background:var(--bg-card);padding:0 15px;font-size:.7rem;font-weight:800;color:var(--text-muted);z-index:1}.social-auth{display:grid;grid-template-columns:1fr 1fr;gap:12px}.social-btn{padding:12px!important;font-size:.85rem;font-weight:700;height:auto!important}.auth-footer{font-size:.9rem;color:var(--text-muted)}.auth-footer button{background:none;border:none;color:var(--primary);font-weight:700;cursor:pointer;margin-left:5px;font-family:inherit}.auth-footer button:hover{text-decoration:underline}.theme-toggle-auth{position:absolute;top:1.5rem;right:1.5rem;border:none;background:none;color:var(--text-muted);cursor:pointer;transition:var(--transition)}.theme-toggle-auth:hover{color:var(--primary);transform:rotate(15deg)}.flex-center{display:flex;align-items:center;justify-content:center}.gap-2{gap:8px}.role-badge-premium{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:12px;background:linear-gradient(135deg,#8c2bee1a,#00d2ff0d);border:1px solid rgba(140,43,238,.2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--primary);box-shadow:0 4px 15px #8c2bee0d}.badge-icon-wrapper{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:var(--primary);color:#fff;border-radius:8px;box-shadow:0 4px 8px #8c2bee4d}.badge-text-group{display:flex;flex-direction:column;line-height:1.2}.badge-label{font-size:.65rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}.badge-status{font-size:.85rem;font-weight:800;color:var(--primary);display:flex;align-items:center;gap:6px}.status-dot{width:6px;height:6px;background:#2ed573;border-radius:50%;box-shadow:0 0 8px #2ed573;animation:pulse-green 2s infinite}@keyframes pulse-green{0%{opacity:.6;transform:scale(1)}50%{opacity:1;transform:scale(1.2)}to{opacity:.6;transform:scale(1)}}.admin-view{background:var(--admin-bg);min-height:100vh;padding:2rem;color:var(--admin-text);border-radius:24px;position:relative;overflow:hidden}.admin-view:before{content:"";position:absolute;top:-100px;right:-100px;width:400px;height:400px;background:radial-gradient(circle,var(--glow) 0%,transparent 70%);z-index:0}.admin-header-gold{margin-bottom:2rem;position:relative;z-index:1}.admin-header-gold h1{font-size:2.2rem;color:var(--admin-accent);text-shadow:0 0 20px rgba(242,204,13,.4)}.admin-stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-bottom:2rem;z-index:1;position:relative}.admin-card{background:var(--admin-card);border:1px solid rgba(242,204,13,.2);padding:1.5rem;border-radius:20px;box-shadow:0 10px 30px #00000080;transition:transform .3s ease}.admin-card:hover{transform:translateY(-5px);border-color:var(--admin-accent);box-shadow:0 0 25px var(--glow)}.admin-card-label{color:#888;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:1px}.admin-card-value{font-size:2rem;font-weight:800;color:var(--admin-accent);margin:10px 0}.admin-table-container{background:var(--admin-card);border-radius:20px;padding:1.5rem;border:1px solid rgba(255,255,255,.05);margin-bottom:2rem}.admin-table{width:100%;border-collapse:collapse}.admin-table th{text-align:left;padding:15px;border-bottom:2px solid var(--glow);color:var(--admin-accent);font-size:.9rem}.admin-table td{padding:15px;border-bottom:1px solid rgba(255,255,255,.05);font-size:.95rem}.role-tag{padding:4px 12px;border-radius:6px;font-size:.75rem;font-weight:700;text-transform:uppercase}.role-tag.admin{background:#6366f126;color:var(--admin-accent);border:1px solid var(--admin-accent)}.role-tag.teacher{background:#8c2bee1a;color:#8c2bee;border:1px solid #8c2bee}.role-tag.student{background:#0084ff1a;color:#0084ff;border:1px solid #0084ff}.gold-btn{background:var(--admin-accent);color:#fff;border:none;padding:8px 16px;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease}.gold-btn:hover{box-shadow:0 0 15px var(--glow);transform:translateY(-2px)}.audit-log{display:flex;flex-direction:column;gap:12px}.audit-item{display:flex;justify-content:space-between;padding:12px;background:#ffffff08;border-radius:10px;border-left:3px solid var(--admin-accent)}.audit-time{font-size:.8rem;color:#666}