@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap";:root{font-family:Space Grotesk,Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400;color:#f5f7ff;background-color:#0b0a15;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--bg: radial-gradient(circle at 15% 20%, rgba(255, 184, 84, .16), transparent 28%), radial-gradient(circle at 85% 10%, rgba(160, 110, 255, .16), transparent 30%), radial-gradient(circle at 50% 100%, rgba(255, 87, 51, .14), transparent 35%), linear-gradient(145deg, #0e0c1a 0%, #0b0a15 100%);--panel: rgba(22, 17, 35, .75);--stroke: rgba(255, 255, 255, .08);--card: linear-gradient(145deg, rgba(38, 26, 46, .8), rgba(22, 17, 35, .85));--accent: #ffb347;--accent-2: #ff5c8a;--accent-3: #7ed6ff;--muted: #c7cad7}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:#f5f7ff;min-height:100vh}a{color:inherit;text-decoration:none}button,input{font-family:inherit}.page{position:relative;min-height:100vh;color:#f5f7ff;padding:32px clamp(20px,6vw,60px) 80px;overflow:hidden}.ambient{position:absolute;filter:blur(80px);opacity:.6;pointer-events:none}.ambient-1{width:340px;height:340px;background:radial-gradient(circle,rgba(255,184,84,.35),transparent 60%);top:-40px;left:-40px}.ambient-2{width:420px;height:420px;background:radial-gradient(circle,rgba(110,92,255,.35),transparent 65%);top:-20px;right:-80px}.navbar{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#100e1c99;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--stroke);border-radius:14px;gap:12px}.brand{display:flex;align-items:center;gap:12px;cursor:pointer}.brand-mark{width:42px;height:42px;border-radius:12px;background:#ffffff14;border:1px solid var(--stroke);display:grid;place-items:center;padding:6px;box-shadow:0 12px 32px #00000059;overflow:hidden;font-size:22px}.brand-mark img{width:100%;height:100%;object-fit:contain;display:block}.brand-title{font-weight:700;letter-spacing:.02em}.brand-subtitle{font-size:12px;color:var(--muted)}.nav-toggle{display:none;align-items:center;justify-content:center;background:#ffffff14;border:1px solid var(--stroke);border-radius:10px;padding:10px 12px;color:#fff;cursor:pointer}.nav-links{display:flex;gap:18px;font-size:15px}.nav-links a{color:var(--muted)}.nav-links a:hover{color:#fff}.nav-actions{display:flex;gap:10px}.filter-bar{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0 4px}.filter-bar label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted)}.filter-bar select{padding:11px 42px 11px 14px;border-radius:12px;border:1px solid var(--stroke);background:linear-gradient(145deg,#1a1624e6,#100e1ce6);color:#fff;min-width:220px;box-shadow:0 12px 30px #00000040;appearance:none;position:relative;background-image:linear-gradient(135deg,#ffb34740,#ff5c8a14),linear-gradient(180deg,transparent 50%,rgba(255,255,255,.08) 50%),radial-gradient(circle at 90% 50%,#ffffff59,#fff0 38%);background-repeat:no-repeat;background-size:100% 100%,14px 8px,12px 12px;background-position:0 0,calc(100% - 18px) 55%,calc(100% - 20px) 50%;transition:border-color .2s ease,box-shadow .2s ease,transform .1s ease}.filter-bar select option{background:#120f1c;color:#f5f7ff;padding:8px 10px}.filter-bar select optgroup{color:#f5f7ff;background:#120f1c;font-weight:600}.filter-bar select:hover{border-color:#ffb347a6;box-shadow:0 16px 40px #ff8f521f;transform:translateY(-1px)}.filter-bar select:focus{outline:2px solid rgba(255,179,71,.4);outline-offset:2px;border-color:#ffb347cc}.filter-bar select::-ms-expand{display:none}.pill,.cta.primary,.cta.ghost,.ghost,.choice{border:1px solid transparent;background:#ffffff0f;color:#fff;border-radius:999px;padding:10px 16px;font-weight:600;cursor:pointer;transition:all .2s ease}.pill.primary,.cta.primary{background:linear-gradient(135deg,#ffb347,#ff5c8a);color:#0c0a18;box-shadow:0 15px 45px #ff8f5259}.pill.primary:disabled{opacity:.4;cursor:not-allowed}.cta.ghost,.ghost{background:#ffffff0f;border:1px solid rgba(255,255,255,.12)}.pill:hover,.cta:hover,.ghost:hover{transform:translateY(-1px);border-color:#fff3}.hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px;margin-top:24px;align-items:center}.hero-compact{margin-top:12px}.hero-text h1{font-size:clamp(28px,5vw,48px);margin:12px 0}.hero-text p{color:var(--muted);margin-bottom:18px}.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:14px}.hero-tags{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted)}.hero-tags span{background:#ffffff0f;border:1px solid var(--stroke);border-radius:10px;padding:6px 10px}.pill-badge{display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;background:#ffffff14;border:1px solid var(--stroke);font-size:13px;color:#fff}.pill-badge.subtle{background:#ffffff0d;border-color:#ffffff14}.hero-card{background:var(--card);border:1px solid var(--stroke);border-radius:18px;padding:16px;box-shadow:0 24px 55px #00000040}.card-header{display:flex;gap:8px;margin-bottom:12px}.tab{padding:8px 12px;border-radius:12px;background:#ffffff0d;color:var(--muted);font-size:13px}.tab.active{background:#ffb34733;color:#fff}.glass-screen{border-radius:14px;padding:18px;background:linear-gradient(145deg,#181422cc,#100d1acc);border:1px solid rgba(255,255,255,.06);min-height:180px;position:relative;overflow:hidden}.bubble{position:relative;margin-bottom:12px;padding:10px 12px;border-radius:12px;background:#ffffff0f;border:1px solid rgba(255,255,255,.08);font-weight:600}.bubble.accent{background:#ff5c8a1f;border-color:#ff5c8a73}.bubble.ghost{background:#7ed6ff1f;border-color:#7ed6ff59}.screen-footer{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:12px}.section{margin-top:56px}.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px}.section-head h2,.section-head h3,.section-head h4{margin:4px 0 8px}.section-head p{margin:0;color:var(--muted)}.eyebrow{letter-spacing:.08em;text-transform:uppercase;font-size:12px;color:var(--muted)}.grid{display:grid;gap:14px}.categories{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.category{border-radius:16px;border:1px solid var(--stroke);background:#ffffff0a;padding:35px;text-align:left;cursor:pointer;color:#fff;transition:all .2s ease}.category.active{border-color:#ffb34780;box-shadow:0 12px 40px #ffb3471a}.category-title{font-weight:700;font-size:26px;margin-top:8px}.category-sub{color:var(--muted);font-size:13px}.category-count{color:var(--muted);font-size:12px;margin-top:6px}.badge{display:inline-flex;padding:5px 10px;border-radius:999px;color:#0b0a15;font-weight:700;font-size:12px}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:6px 12px;border-radius:999px;background:#ffffff0f;border:1px solid var(--stroke);font-size:13px;color:#fff}.modes{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin-top:18px}.mode-card{border-radius:16px;padding:18px;border:1px solid var(--stroke);background:var(--panel);cursor:pointer;transition:all .2s ease}.mode-card.active{border-color:#ffb34773;box-shadow:0 14px 45px #ff8f522e}.mode-card h3{margin:8px 0;font-size:32px;line-height:1.3}.mode-card p{color:var(--muted);margin-top:0;font-size:16px}.slider{display:grid;gap:6px;margin-top:12px;color:#fff}.slider input[type=range]{width:100%}.session-bar{margin-top:16px;padding:14px;border-radius:14px;background:linear-gradient(90deg,#ffb3471a,#ff5c8a0f);border:1px solid var(--stroke);display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));align-items:center;gap:12px}.label{color:var(--muted);font-size:12px}.value{font-weight:700}.value.strong{font-size:18px}.quiz{margin-top:18px}.progress{border:1px solid var(--stroke);border-radius:14px;padding:14px;background:#ffffff08}.progress-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px}.progress-bar{margin-top:10px;width:100%;height:8px;background:#ffffff14;border-radius:999px;overflow:hidden}.progress-bar.small{height:6px}.progress-fill{height:100%;background:linear-gradient(90deg,#ffb347,#ff5c8a);border-radius:inherit;transition:width .3s ease}.question-card{margin-top:18px;padding:40px;border-radius:16px;border:1px solid var(--stroke);background:var(--panel)}.glass{background:#ffffff0a;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.question-top{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px}.question-media{width:100%;display:grid;place-items:center;margin:8px 0 10px}.question-media img{max-width:min(320px,100%);width:100%;height:auto;border-radius:12px;border:1px solid var(--stroke);box-shadow:0 12px 32px #00000059;background:#ffffff0a}.choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin:10px 0 8px}.choice{width:100%;justify-content:center;border:1px solid var(--stroke);background:#ffffff0d}.choice.active{border-color:#ffb34780;background:#ffb34726}.input{width:100%;padding:12px;border-radius:12px;border:1px solid var(--stroke);background:#ffffff0d;color:#fff;margin:10px 0}.input::placeholder{color:#ffffff73}.question-footer{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:24px}.feedback{margin-top:12px;padding:12px 14px;border-radius:12px;display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:flex-start;border:1px solid rgba(126,214,255,.3);background:#7ed6ff14}.feedback.success{border-color:#72e0a880;background:#72e0a826}.feedback.error{border-color:#ff858899;background:#ff858826}.feedback.warning{border-color:#ffc8578c;background:#ffc85724}.feedback-icon{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;background:#ffffff14;border:1px solid rgba(255,255,255,.12)}.feedback.success .feedback-icon{color:#72e0a8;border-color:#72e0a8cc}.feedback.error .feedback-icon{color:#ff8588;border-color:#ff8588cc}.feedback.warning .feedback-icon{color:#ffc857;border-color:#ffc857e6}.feedback-body{display:grid;gap:4px}.feedback-title{font-weight:700}.feedback-text{line-height:1.4}.feedback-meta{display:grid;gap:2px}.explanation{margin-top:10px;padding:10px;border-radius:10px;background:#ffffff08;border:1px solid rgba(255,255,255,.08);font-size:14px}.explanation.compact{padding:8px 10px;font-size:13px;display:grid;gap:4px}.muted{color:var(--muted)}.small{font-size:13px}.pill-banner{margin-top:16px;padding:14px;border-radius:14px;border:1px solid var(--stroke);background:linear-gradient(135deg,#ff5c8a2e,#7ed6ff1f);display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;align-items:center}.two-column{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}.panel{padding:16px;border-radius:16px;border:1px solid var(--stroke);background:var(--panel)}.panel-footer{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.tight{margin-bottom:12px}.form label{display:grid;gap:6px;margin-bottom:12px}.form input{padding:10px 12px;border-radius:12px;border:1px solid var(--stroke);background:#ffffff0d;color:#fff}.profile{display:flex;align-items:center;gap:12px;margin-bottom:12px}.profile.compact{margin-bottom:0}.avatar{width:48px;height:48px;border-radius:12px;background:#ffffff0f;display:grid;place-items:center;font-size:24px}.avatar-grid{margin-top:12px}.avatars{grid-template-columns:repeat(auto-fit,minmax(52px,1fr))}.avatar-btn{padding:10px;border-radius:12px;border:1px solid var(--stroke);background:#ffffff0a;color:#fff;cursor:pointer}.avatar-btn.active{border-color:#ffb34799;background:#ffb34726}.premium{margin-top:12px;padding:12px;border-radius:12px;background:#ffffff0a;border:1px solid var(--stroke);display:flex;align-items:center;justify-content:space-between;gap:12px}.profile-section{display:grid;gap:16px}.profile-summary{display:grid;gap:10px}.profile-summary-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.actions-row{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;align-items:center;margin-top:12px}.auth{display:flex;justify-content:center}.auth-panel{max-width:640px;width:100%}.auth-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap;margin-top:12px}.auth-form,.auth-logged-in{margin-top:8px}.auth-links{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:8px}.pill.compact{padding:8px 14px;font-size:14px;background:#ffffff14;border:1px solid rgba(255,255,255,.14)}.pill.compact:hover{border-color:#ffffff47;transform:translateY(-1px)}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:12px}.stat{padding:12px;border-radius:12px;border:1px solid var(--stroke);background:#ffffff0a}.category-stats{display:grid;gap:10px}.cat-stat{padding:10px;border-radius:12px;border:1px solid var(--stroke);background:#ffffff08}.cat-head{display:flex;gap:8px;align-items:center}.dot{width:8px;height:8px;border-radius:999px;display:inline-block}.extra .features{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.feature{padding:14px;border-radius:14px;border:1px solid var(--stroke);background:#ffffff0a}.feature.hot{background:linear-gradient(135deg,#ffb34729,#ff5c8a1a);border-color:#ffb34773}.panel.tips{margin-top:12px}.tip-head{display:flex;align-items:center;justify-content:space-between}.tips-list{margin:10px 0 0;padding-left:20px;color:var(--muted)}.tips-list li{margin-bottom:8px}.footer{margin-top:40px;padding:20px;border-top:1px solid var(--stroke);display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;align-items:center}.footer-links{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted)}.footer-links a:hover{color:#fff}.footer-meta{color:var(--muted);font-size:13px}.footer .brand-mark{width:36px;height:36px;padding:5px}.consent-banner{position:fixed;bottom:16px;left:50%;transform:translate(-50%);width:min(720px,calc(100% - 24px));padding:14px;border-radius:14px;background:#100e1ce6;border:1px solid var(--stroke);box-shadow:0 10px 40px #00000040;display:flex;justify-content:space-between;gap:12px;z-index:10}.consent-copy{display:flex;flex-direction:column;gap:10px}.consent-summary{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.consent-details{display:flex;flex-direction:column;gap:8px}.consent-toggle{padding:0;background:none;border:none;color:#9c9cff;font-size:.9rem;font-weight:600;cursor:pointer}.consent-toggle:hover,.consent-toggle:focus-visible{text-decoration:underline}.consent-actions{display:flex;gap:8px;align-items:center}.consent-reopen{position:fixed;right:16px;bottom:16px;z-index:9;padding:10px 16px;border-radius:999px;background:#100e1ce6;border:1px solid var(--stroke);color:#fff;font-weight:600;box-shadow:0 12px 32px #00000059;cursor:pointer;transition:all .2s ease}.consent-reopen:hover{transform:translateY(-1px);border-color:#fff3}.page-content .plain-list{list-style:disc;margin-left:18px;color:var(--muted)}.page-content h3{margin-top:0}@media(max-width:768px){.navbar{position:static;flex-wrap:wrap;gap:10px}.nav-toggle{display:inline-flex}.nav-links{display:none;width:100%;flex-direction:column;gap:10px;padding:8px 0}.nav-links.open{display:flex}.nav-actions{width:100%;justify-content:flex-end}.brand-subtitle{font-size:11px}.question-footer{flex-direction:column;align-items:stretch}.consent-reopen{right:12px;bottom:12px}}