@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap";:root{--bg-deep: #01071a;--bg-primary: #030e2b;--bg-card: #081a4a;--bg-card-hover: #0a2360;--bg-surface: #06163e;--bg-glass: rgba(8, 26, 74, .7);--text-primary: #ffffff;--text-secondary: #b8c7e9;--text-muted: #6c8ad7;--accent: #ffb900;--accent-glow: rgba(255, 185, 0, .18);--accent-blue: #0539a9;--accent-purple: #3a62c1;--fail: #ff4757;--fail-glow: rgba(255, 71, 87, .2);--hard: #f59e0b;--hard-glow: rgba(245, 158, 11, .2);--normal: #3a62c1;--normal-glow: rgba(58, 98, 193, .22);--easy: #10b981;--easy-glow: rgba(16, 185, 129, .2);--border: rgba(184, 199, 233, .1);--border-accent: rgba(255, 185, 0, .3);--radius: 16px;--radius-sm: 10px;--radius-xs: 6px;--shadow: 0 4px 24px rgba(1, 7, 26, .5);--shadow-glow: 0 0 30px rgba(255, 185, 0, .08);--transition: cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,system-ui,sans-serif;background:var(--bg-deep);color:var(--text-primary);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 30% 20%,rgba(5,57,169,.12) 0%,transparent 50%),radial-gradient(ellipse at 70% 80%,rgba(58,98,193,.06) 0%,transparent 50%),radial-gradient(ellipse at 50% 50%,rgba(255,185,0,.03) 0%,transparent 50%);z-index:0;pointer-events:none}#app{position:relative;z-index:1;min-height:100vh}h1,h2,h3,h4{font-family:Space Grotesk,sans-serif;letter-spacing:-.02em}.navbar{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:64px;background:#01071ad9;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid 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.topic-desc{font-size:.82rem;color:var(--text-muted);margin-bottom:16px}.topic-card .topic-progress{display:flex;align-items:center;gap:10px;font-size:.78rem;color:var(--text-secondary)}.progress-bar{flex:1;height:4px;background:#94a3b81a;border-radius:2px;overflow:hidden}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-blue));border-radius:2px;transition:width .6s var(--transition)}.decks-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.deck-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;cursor:pointer;transition:all .3s var(--transition);display:flex;flex-direction:column;gap:12px}.deck-card:hover{border-color:var(--border-accent);transform:translateY(-3px);box-shadow:var(--shadow-glow)}.deck-card .deck-header{display:flex;align-items:center;gap:12px}.deck-card .deck-icon{font-size:1.6rem}.deck-card .deck-name{font-family:Space 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.rating-label{font-size:.78rem;font-weight:600;font-family:Space Grotesk,sans-serif}.rating-btn .rating-interval{font-size:.65rem;color:var(--text-muted)}.rating-btn.fail{border-color:#ef444433}.rating-btn.fail:hover{background:var(--fail-glow);border-color:var(--fail)}.rating-btn.fail .rating-label{color:var(--fail)}.rating-btn.hard{border-color:#f59e0b33}.rating-btn.hard:hover{background:var(--hard-glow);border-color:var(--hard)}.rating-btn.hard .rating-label{color:var(--hard)}.rating-btn.normal{border-color:#3b82f633}.rating-btn.normal:hover{background:var(--normal-glow);border-color:var(--normal)}.rating-btn.normal .rating-label{color:var(--normal)}.rating-btn.easy{border-color:#10b98133}.rating-btn.easy:hover{background:var(--easy-glow);border-color:var(--easy)}.rating-btn.easy .rating-label{color:var(--easy)}.pending-content{text-align:center;padding:8px 0 4px}.pending-icon{font-size:3rem;margin-bottom:14px}.pending-content h2{font-family:Space 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p{color:var(--text-secondary);font-size:.9rem;margin-bottom:24px}.summary-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:28px}.summary-stat{padding:14px 8px;border-radius:var(--radius-sm);background:var(--bg-surface)}.summary-stat .stat-num{font-size:1.5rem;font-weight:700;font-family:Space Grotesk,sans-serif}.summary-stat .stat-label{font-size:.7rem;color:var(--text-muted);margin-top:2px}.summary-stat.fail .stat-num{color:var(--fail)}.summary-stat.hard .stat-num{color:var(--hard)}.summary-stat.normal .stat-num{color:var(--normal)}.summary-stat.easy .stat-num{color:var(--easy)}.btn-secondary{display:inline-block;padding:12px 28px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-xs);color:var(--text-primary);font-size:.9rem;font-weight:500;cursor:pointer;transition:all .25s var(--transition);text-decoration:none;font-family:inherit}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state .empty-icon{font-size:3rem;margin-bottom:16px;opacity:.5}.empty-state p{font-size:.95rem}.stagger-item{opacity:0;transform:translateY(12px);animation:fadeInUp .4s var(--transition) 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input{padding-right:44px}.pass-toggle{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;font-size:1rem;opacity:.5;transition:opacity .2s;padding:4px}.pass-toggle:hover{opacity:1}.pass-strength-bar{height:4px;background:#94a3b81a;border-radius:2px;margin-top:8px;overflow:hidden}.pass-strength-fill{height:100%;border-radius:2px;transition:width .3s,background .3s}.pass-rules{display:flex;flex-wrap:wrap;gap:4px 10px;margin-top:8px}.rule{font-size:.72rem;color:var(--text-muted);transition:color .2s}.rule.ok{color:#2ed573}.pass-match-msg{font-size:.75rem;margin-top:6px}.auth-forgot{text-align:center;margin-top:14px}.auth-forgot button{background:none;border:none;color:var(--text-muted);font-size:.82rem;cursor:pointer;transition:color .2s;text-decoration:underline;text-underline-offset:3px}.auth-forgot button:hover{color:var(--accent)}.profile-grid{display:grid;grid-template-columns:1fr;gap:24px;max-width:800px;animation:fadeInUp .5s 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var(--border);border-radius:var(--radius-sm);padding:20px;text-align:center}.profile-stat-card.accent{border-color:var(--border-accent);background:linear-gradient(135deg,#ffb90014,#0539a914)}.profile-stat-card.accent .profile-stat-num{color:var(--accent)}.profile-stat-num{font-family:Space Grotesk,sans-serif;font-size:1.8rem;font-weight:700;margin-bottom:4px}.profile-stat-label{font-size:.8rem;color:var(--text-secondary)}.profile-sub-title{font-family:Space Grotesk,sans-serif;font-size:1.1rem;margin-bottom:16px;color:var(--text-primary)}.profile-rating-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:36px}.profile-rating-card{padding:16px 12px;border-radius:var(--radius-xs);background:var(--bg-surface);border:1px solid var(--border);text-align:center;display:flex;flex-direction:column;align-items:center}.profile-rating-card .profile-rating-num{font-size:1.4rem;font-weight:700;font-family:Space Grotesk,sans-serif;margin-bottom:2px}.profile-rating-card .profile-rating-label{font-size:.75rem;font-weight:600;font-family:Space Grotesk,sans-serif}.profile-rating-card.fail{border-color:#ef44444d}.profile-rating-card.fail .profile-rating-num,.profile-rating-card.fail .profile-rating-label{color:var(--fail)}.profile-rating-card.hard{border-color:#f59e0b4d}.profile-rating-card.hard .profile-rating-num,.profile-rating-card.hard .profile-rating-label{color:var(--hard)}.profile-rating-card.normal{border-color:#3b82f64d}.profile-rating-card.normal .profile-rating-num,.profile-rating-card.normal .profile-rating-label{color:var(--normal)}.profile-rating-card.easy{border-color:#10b9814d}.profile-rating-card.easy .profile-rating-num,.profile-rating-card.easy .profile-rating-label{color:var(--easy)}.profile-topics-list{display:flex;flex-direction:column;gap:12px}.profile-topic-row{display:flex;align-items:center;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-xs);padding:16px 20px;gap:16px}.profile-topic-icon{font-size:1.4rem}.profile-topic-name{font-weight:500;font-size:.95rem;width:140px}.profile-topic-progress{flex:1}.profile-topic-pct{width:45px;text-align:right;font-weight:600;font-size:.9rem;color:var(--accent)}.profile-topic-count{width:70px;text-align:right;font-size:.8rem;color:var(--text-muted)}@media(max-width:768px){.navbar{padding:0 16px}.page{padding:16px 16px 48px}.page-title{font-size:1.5rem}.topics-grid,.decks-grid{grid-template-columns:1fr}.rating-buttons,.summary-stats{grid-template-columns:repeat(2,1fr)}.auth-card{padding:36px 24px}.flashcard-face{padding:28px 20px;min-height:280px}.flashcard{min-height:280px}.form-row{grid-template-columns:1fr}.profile-section{padding:24px 20px}.profile-rating-grid{grid-template-columns:repeat(2,1fr)}.profile-topic-row{flex-wrap:wrap;padding:16px}.profile-topic-name{width:100%;margin-bottom:8px}.profile-topic-progress{flex-basis:100%;order:4;margin-top:8px}}.admin-link{color:var(--accent, #ffb900);text-decoration:none;font-size:1.3rem;margin-right:.5rem;transition:transform .2s}.admin-link:hover{transform:scale(1.15)}.admin-container{display:flex;min-height:calc(100vh - 60px);margin-top:60px}.admin-sidebar{width:220px;min-width:220px;background:#ffffff08;border-right:1px solid rgba(255,255,255,.08);padding:1.5rem 1rem;display:flex;flex-direction:column;gap:.3rem}.admin-sidebar h3{color:var(--accent, #ffb900);margin-bottom:1rem;font-size:1.1rem}.admin-sidebar a{color:#ffffffb3;text-decoration:none;padding:.6rem .8rem;border-radius:8px;transition:all .2s;font-size:.9rem}.admin-sidebar a:hover{background:#ffffff0f;color:#fff}.admin-sidebar a.active{background:#ffb90026;color:var(--accent, #ffb900);font-weight:600}.admin-sidebar hr{border:none;border-top:1px solid rgba(255,255,255,.08);margin:.8rem 0}.admin-main{flex:1;padding:2rem;overflow-x:auto}.admin-main h2{margin-bottom:1.5rem;color:#fff}.admin-main h3{margin:1.5rem 0 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