:root{
 --bg:#f5f6f9;--surface:#fff;--surface-2:#f0f2f6;--surface-3:#e9ecf3;--surface-secondary:#f0f2f6;
 --text:#111216;--text-2:#656875;--text-3:#9397a5;--border:#e4e6ec;
 --primary:#5b2be0;--primary-2:#7654ff;--primary-hover:#4b21b9;--primary-soft:#f0ebff;
 --danger:#d43c50;--success:#1f9c64;--warning:#bd7b16;
 --r:22px;--r-sm:14px;--shadow-xs:0 1px 2px rgba(15,16,25,.03),0 8px 24px rgba(15,16,25,.035);--shadow:0 18px 50px rgba(24,20,43,.09);--shadow-lg:0 34px 90px rgba(20,16,38,.16);
 --max:1240px;--ease:cubic-bezier(.2,.75,.25,1);
}
html[data-theme="dark"]{--bg:#0f1014;--surface:#15171c;--surface-2:#1d2027;--surface-3:#252932;--surface-secondary:#1d2027;--text:#f4f5f8;--text-2:#aeb3c0;--text-3:#7d8290;--border:#2a2e38;--primary:#8b6cff;--primary-2:#a08aff;--primary-hover:#9b82ff;--primary-soft:#241d3f;--shadow-xs:0 1px 2px rgba(0,0,0,.15),0 10px 30px rgba(0,0,0,.16);--shadow:0 18px 50px rgba(0,0,0,.22);--shadow-lg:0 34px 90px rgba(0,0,0,.36)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}body.modal-open{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,textarea,select{font:inherit}.container{width:min(calc(100% - 36px),var(--max));margin:auto}.muted{color:var(--text-2)}.section-copy{max-width:520px;line-height:1.7}.section-link{font-weight:760;color:var(--primary)}
.topbar{position:sticky;top:0;z-index:60;border-bottom:1px solid color-mix(in srgb,var(--border) 80%,transparent);background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:saturate(1.15) blur(22px)}.nav-wrap{height:74px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:11px;font-weight:860;letter-spacing:-.028em;min-width:max-content}.brand-mark{width:38px;height:38px;border-radius:13px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,#4b21b9,#7654ff);box-shadow:0 10px 24px rgba(91,43,224,.25)}.brand-logo{width:auto;height:40px;max-width:132px;object-fit:contain}.brand-text{white-space:nowrap}.desktop-nav{display:flex;gap:22px;margin-left:auto;font-size:14px;color:var(--text-2)}.desktop-nav a{transition:.18s;color:var(--text-2);font-weight:650}.desktop-nav a:hover{color:var(--text)}.nav-actions{display:flex;align-items:center;gap:9px}.icon-btn{width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--border);color:var(--text);background:var(--surface);border-radius:13px;cursor:pointer;box-shadow:var(--shadow-xs);transition:.2s var(--ease)}.icon-btn:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--primary) 35%,var(--border))}.mobile-menu-btn{display:none}.profile-pill{display:flex;align-items:center;gap:8px;padding:4px 10px 4px 4px;border:1px solid var(--border);border-radius:999px;background:var(--surface);box-shadow:var(--shadow-xs)}.avatar{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#7654ff,#4b21b9);color:#fff;font-weight:850;box-shadow:0 8px 20px rgba(91,43,224,.2)}.avatar.sm{width:33px;height:33px;font-size:12px}.badge{min-width:18px;height:18px;border-radius:999px;padding:0 5px;background:var(--danger);color:#fff;font-size:11px;display:grid;place-items:center}.mobile-menu[hidden]{display:none}.mobile-menu{position:fixed;inset:0;z-index:95}.mobile-menu-backdrop{position:absolute;inset:0;background:rgba(5,7,12,.46);opacity:0;transition:.22s}.mobile-menu-panel{position:absolute;right:0;top:0;bottom:0;width:min(88vw,390px);background:var(--surface);padding:18px;transform:translateX(100%);transition:.22s var(--ease);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:18px}.mobile-menu.open .mobile-menu-backdrop{opacity:1}.mobile-menu.open .mobile-menu-panel{transform:none}.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.mobile-menu-links{display:grid;gap:8px}.mobile-menu-links a{display:grid;gap:4px;padding:15px;border-radius:15px;background:var(--surface-2);border:1px solid transparent}.mobile-menu-links a:hover{border-color:var(--border);background:var(--surface)}.mobile-menu-links span{font-size:12px;color:var(--text-2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:0;border-radius:14px;padding:11px 18px;cursor:pointer;font-weight:780;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s,border-color .2s,color .2s}.btn:hover{transform:translateY(-1px)}.btn:active{transform:none}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn-primary{background:linear-gradient(145deg,#5425d1,#6f4af1);color:#fff;box-shadow:0 12px 28px rgba(91,43,224,.23)}.btn-primary:hover{box-shadow:0 16px 34px rgba(91,43,224,.29)}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border);box-shadow:var(--shadow-xs)}.btn-danger{background:color-mix(in srgb,var(--danger) 10%,var(--surface));color:var(--danger);border:1px solid color-mix(in srgb,var(--danger) 22%,var(--border))}.btn-sm{min-height:36px;padding:8px 12px;font-size:13px}.btn-lg{min-height:52px;padding:14px 22px;border-radius:16px}.btn-block{width:100%}.btn-on-dark{background:#fff;color:#32128b;box-shadow:0 14px 32px rgba(28,12,78,.18)}.btn-on-dark:hover{color:#220d64;background:#f7f4ff}.btn-ghost{background:transparent;border:1px solid transparent}.btn-ghost:hover{background:var(--surface-2)}
.hero{padding:78px 0 52px}.hero-v3{position:relative;overflow:hidden}.hero-v3:before{content:"";position:absolute;width:580px;height:580px;border-radius:50%;right:-180px;top:-260px;background:radial-gradient(circle,rgba(118,84,255,.13),transparent 65%);pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:850;letter-spacing:.02em}.hero h1{font-size:clamp(54px,7vw,90px);line-height:.94;letter-spacing:-.064em;margin:19px 0 18px}.hero h1 span{display:block;color:var(--primary);font-size:.52em;line-height:1.08;letter-spacing:-.045em;margin-top:11px}.hero-kicker{font-size:22px;font-weight:760;margin:0 0 9px}.lead{font-size:18px;line-height:1.68;color:var(--text-2);max-width:720px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.hero-trust{display:flex;gap:20px;flex-wrap:wrap;margin-top:28px;color:var(--text-2);font-size:12px}.hero-trust span{display:grid;gap:2px}.hero-trust b{color:var(--text);font-size:13px}.hero-visual{position:relative}.hero-visual-card{position:relative;background:var(--surface);padding:14px;border:1px solid var(--border);border-radius:32px;box-shadow:0 32px 80px rgba(39,30,75,.12);transform:rotate(1.2deg)}.hero-visual-card>img{border-radius:23px;aspect-ratio:1.35/1;object-fit:cover}.floating-card{position:absolute;background:color-mix(in srgb,var(--surface) 94%,transparent);border:1px solid var(--border);backdrop-filter:blur(18px);border-radius:17px;box-shadow:var(--shadow);padding:13px 15px;display:grid;gap:3px}.floating-card-top{top:28px;left:-35px}.floating-card-bottom{right:-18px;bottom:26px}.floating-card small,.floating-card span{font-size:11px;color:var(--text-2)}.floating-card strong{font-size:22px;color:var(--primary)}.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 6px color-mix(in srgb,var(--success) 13%,transparent);position:absolute;right:13px;top:13px}.home-strip{padding:8px 0 26px}.home-strip-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);background:var(--surface);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-xs)}.home-strip-grid>div{padding:18px 20px;display:grid;gap:3px;border-right:1px solid var(--border)}.home-strip-grid>div:last-child{border-right:0}.home-strip-grid span{font-size:11px;color:var(--primary);font-weight:850}.home-strip-grid b{font-size:15px}.home-strip-grid small{font-size:12px;color:var(--text-2)}
.section{padding:70px 0}.section-soft{background:color-mix(in srgb,var(--surface-2) 58%,transparent);border-block:1px solid color-mix(in srgb,var(--border) 65%,transparent)}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:30px}.section h2,.page-head h1{letter-spacing:-.045em}.section h2{font-size:clamp(32px,4vw,48px);line-height:1.05;margin:8px 0 0}.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:24px;box-shadow:var(--shadow-xs);transition:transform .24s var(--ease),border-color .24s,box-shadow .24s}.card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--primary) 20%,var(--border));box-shadow:var(--shadow)}.card-flat:hover{transform:none;box-shadow:var(--shadow-xs)}.feature-grid{gap:18px}.feature-card{min-height:210px}.feature-top{display:flex;justify-content:space-between;align-items:flex-start}.feature-top>span{color:var(--text-3);font-size:12px;font-weight:800}.feature-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);font-weight:900}.feature-card h3{font-size:20px;margin:32px 0 8px}.feature-card p{line-height:1.58}.stats-grid{gap:1px;background:var(--border);border:1px solid var(--border);border-radius:22px;overflow:hidden}.stat-premium{background:var(--surface);padding:30px}.stat-premium strong{font-size:46px;display:block;letter-spacing:-.055em}.stat-premium span{color:var(--text-2);font-size:13px}.split-showcase,.community-showcase{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}.split-media,.community-showcase>img{border-radius:28px;overflow:hidden;border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-xs)}.split-media img,.community-showcase>img{width:100%;aspect-ratio:1.35/1;object-fit:cover}.split-copy h2,.community-showcase h2{font-size:clamp(34px,4.2vw,52px);letter-spacing:-.05em;line-height:1.02;margin:16px 0}.split-copy>p,.community-showcase p{line-height:1.75}.mini-list{display:grid;gap:10px;margin-top:24px}.mini-list>div{padding:14px 0;border-top:1px solid var(--border);display:grid;gap:4px}.mini-list span{font-size:13px;color:var(--text-2)}
.event-card .cover,.news-card .cover{aspect-ratio:16/9;border-radius:16px;background:linear-gradient(135deg,#efedff,#ddd7ff);object-fit:cover;margin-bottom:17px;width:100%}.premium-card{padding:14px 14px 20px}.premium-card .meta,.premium-card h3,.premium-card p,.premium-card .card-foot{margin-inline:5px}.event-card h3,.news-card h3{font-size:19px;line-height:1.28;margin-top:12px;margin-bottom:8px}.meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--text-2);font-size:12px}.chip{display:inline-flex;align-items:center;gap:5px;padding:6px 10px;border-radius:999px;background:var(--surface-2);font-size:11px;font-weight:790}.chip.success{color:var(--success);background:color-mix(in srgb,var(--success) 9%,var(--surface))}.chip.warning{color:var(--warning)}.chip.danger{color:var(--danger)}.cover-placeholder,.news-gradient{display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#4b21b9,#7654ff)!important}.cover-placeholder span{font-size:46px;font-weight:900;line-height:.9}.cover-placeholder small{font-size:14px;text-transform:uppercase;letter-spacing:.1em}.news-gradient span{font-size:48px;font-weight:900;letter-spacing:-.06em;opacity:.9}.card-foot{display:flex;justify-content:space-between;gap:12px;font-size:11px;color:var(--text-3);border-top:1px solid var(--border);padding-top:13px;margin-top:16px}.top-three{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:end}.rank-card{text-align:center;padding-block:28px}.rank-card.first{padding-top:40px;border-color:rgba(91,43,224,.28);box-shadow:0 20px 55px rgba(91,43,224,.09)}.rank-num{font-size:40px;font-weight:900;color:var(--primary)}.rank-avatar{margin:10px auto 12px}.rank-xp{display:block;margin-top:8px;font-size:18px}.cta{background:linear-gradient(135deg,#4b21b9 0%,#6540e9 56%,#7654ff 100%);color:#fff;border-radius:30px;padding:46px;box-shadow:0 28px 70px rgba(76,33,185,.22)}.cta-v3{display:flex;align-items:center;justify-content:space-between;gap:36px}.cta-v3 h2{max-width:760px;margin:12px 0;font-size:clamp(34px,4vw,52px)}.cta-v3 p{margin:0;color:rgba(255,255,255,.78)}.eyebrow-on-dark{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.16)}
.footer{margin-top:72px;border-top:1px solid var(--border);padding:46px 0 110px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:34px}.footer-grid>div{display:flex;flex-direction:column;gap:10px}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid var(--border);margin-top:34px;padding-top:20px;color:var(--text-2);font-size:13px}.bottom-nav{display:none}
.page-head{padding:54px 0 26px}.page-head h1{font-size:clamp(40px,5vw,56px);line-height:1.04;margin:8px 0 10px}.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:18px 0}.input,.select,.textarea{width:100%;padding:13px 14px;border-radius:14px;border:1px solid var(--border);background:var(--surface);color:var(--text);outline:none;transition:border-color .18s,box-shadow .18s,background .18s}.input:hover,.select:hover,.textarea:hover{border-color:color-mix(in srgb,var(--primary) 20%,var(--border))}.input:focus,.select:focus,.textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 10%,transparent)}.textarea{resize:vertical;min-height:120px;line-height:1.55}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label,.field-label{font-size:12px;font-weight:780;color:var(--text-2);letter-spacing:.01em}.form-alert{padding:13px 14px;border-radius:13px;margin:12px 0 16px;font-size:13px}.form-alert.danger{color:var(--danger);background:color-mix(in srgb,var(--danger) 8%,var(--surface));border:1px solid color-mix(in srgb,var(--danger) 24%,var(--border))}.form-alert.success{color:var(--success);background:color-mix(in srgb,var(--success) 8%,var(--surface));border:1px solid color-mix(in srgb,var(--success) 24%,var(--border))}.auth-shell{min-height:calc(100vh - 74px);display:grid;place-items:center;padding:42px 18px}.auth-card{width:min(100%,520px);padding:30px}.auth-card-wide{width:min(100%,720px)}.auth-card h1{font-size:36px;letter-spacing:-.045em;margin:12px 0 8px}.auth-card>.muted{line-height:1.6;margin-bottom:24px}.auth-card .btn-block{margin-top:18px}.auth-footnote{text-align:center;margin:18px 0 0!important;font-size:13px}.verify-card{text-align:center}.verify-icon{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;margin:0 auto 18px;background:var(--primary-soft);font-size:25px}.verify-form{display:grid;gap:10px}.code-input{text-align:center;font-size:30px;font-weight:850;letter-spacing:.28em;padding-left:.28em}.verify-resend .btn{margin-top:8px}.auth-back{display:inline-block;margin-top:18px;font-size:13px;color:var(--text-2)}.tabs{display:flex;gap:6px;padding:5px;border-radius:14px;background:var(--surface-2);overflow:auto}.tab{border:0;background:transparent;color:var(--text-2);padding:9px 14px;border-radius:10px;white-space:nowrap;cursor:pointer}.tab.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-xs)}
.news-head{padding-bottom:12px}.news-tabs{display:flex;gap:8px;overflow-x:auto;padding:8px 2px 7px;margin:24px 0 10px;scrollbar-width:none;-webkit-overflow-scrolling:touch}.news-tabs::-webkit-scrollbar{display:none}.news-tab{white-space:nowrap;padding:10px 14px;border-radius:999px;border:1px solid var(--border);background:var(--surface);font-size:13px;font-weight:720;color:var(--text-2);box-shadow:var(--shadow-xs)}.news-tab.active{background:var(--primary);border-color:var(--primary);color:#fff}.news-search{display:flex;gap:10px;max-width:620px;margin-top:16px}.news-search .input{flex:1}.pagination-row{display:flex;justify-content:space-between;gap:12px;margin-top:24px}.empty-premium{display:grid;place-items:center;gap:6px;padding:56px 20px;color:var(--text-2)}.empty-premium b{color:var(--text);font-size:18px}
.profile-hero{display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center}.profile-hero .avatar{width:88px;height:88px;font-size:26px}.metric{background:var(--surface-2);border:1px solid color-mix(in srgb,var(--border) 70%,transparent);border-radius:15px;padding:16px}.metric strong{font-size:26px;display:block;letter-spacing:-.03em}.progress{height:10px;border-radius:999px;background:var(--surface-2);overflow:hidden}.progress>i{display:block;height:100%;background:linear-gradient(90deg,#4b21b9,#7654ff);border-radius:inherit}.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:var(--r);background:var(--surface);box-shadow:var(--shadow-xs)}table{width:100%;border-collapse:separate;border-spacing:0;min-width:700px}th,td{padding:15px 17px;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}tbody tr:last-child td{border-bottom:0}tbody tr:hover td{background:color-mix(in srgb,var(--surface-2) 44%,transparent)}th{font-size:11px;letter-spacing:.055em;text-transform:uppercase;color:var(--text-3);font-weight:800;background:color-mix(in srgb,var(--surface-2) 54%,var(--surface))}.empty{text-align:center;padding:50px 20px;color:var(--text-2)}.toast-root{position:fixed;right:18px;top:90px;z-index:110;display:grid;gap:10px}.toast{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);padding:13px 16px;border-radius:13px;animation:slideIn .22s ease}.toast.success{border-color:color-mix(in srgb,var(--success) 25%,var(--border))}.toast.error{border-color:color-mix(in srgb,var(--danger) 25%,var(--border))}.search-modal[hidden]{display:none}.search-modal{position:fixed;inset:0;z-index:100;background:rgba(7,9,13,.46);padding:80px 16px;backdrop-filter:blur(7px)}.search-panel{max-width:720px;margin:auto;background:var(--surface);border:1px solid var(--border);border-radius:22px;padding:17px;box-shadow:var(--shadow-lg)}.search-head{display:flex;gap:10px}.search-results{display:grid;gap:8px;margin-top:12px;max-height:60vh;overflow:auto}.search-item{padding:13px;border-radius:12px;background:var(--surface-2)}.skeleton{background:linear-gradient(90deg,var(--surface-2),color-mix(in srgb,var(--surface-2) 70%,white),var(--surface-2));background-size:200% 100%;animation:skeleton 1.2s infinite;border-radius:10px}
.battle-stage{text-align:center;max-width:900px;margin:auto;padding:34px}.battle-stage h2{font-size:clamp(26px,4vw,40px);letter-spacing:-.035em;margin:8px 0 12px}.battle-versus{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:28px;margin-bottom:20px}.battle-player{padding:22px;border-radius:18px;background:var(--surface-2)}.battle-score{font-size:54px;font-weight:900;letter-spacing:-.05em}.question{font-size:24px;font-weight:800;margin:26px 0;line-height:1.3}.answers{display:grid;grid-template-columns:1fr 1fr;gap:13px}.answer-btn{text-align:left;padding:17px 18px;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:15px;cursor:pointer;transition:.18s var(--ease)}.answer-btn:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-1px)}.answer-btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.timer{height:8px;background:var(--surface-2);border-radius:99px;overflow:hidden;margin:20px 0}.timer i{display:block;height:100%;background:linear-gradient(90deg,#7654ff,#5b2be0);transition:width .1s linear}.battle-search-orb{width:72px;height:72px;border-radius:50%;margin:6px auto 22px;background:radial-gradient(circle at 35% 30%,#a998ff,#5b2be0 68%);box-shadow:0 0 0 10px var(--primary-soft),0 18px 45px rgba(91,43,224,.25);animation:pulse 1.4s infinite}.event-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.5fr);gap:20px}.event-layout .event-content{grid-column:1/-1}.article-cover{padding:0;width:100%;overflow:hidden}.article-cover img{width:100%;height:100%;object-fit:cover}.content-narrow{max-width:900px}.section-tight{padding-top:10px}.stack-gap{margin-top:20px}
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}[data-reveal].reveal-in{opacity:1;transform:none}@keyframes slideIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}@keyframes skeleton{to{background-position:-200% 0}}@keyframes pulse{50%{transform:scale(.94);box-shadow:0 0 0 18px rgba(91,43,224,.05),0 18px 45px rgba(91,43,224,.18)}}

/* Battle answer feedback — v5 */
.battle-answer-result{margin:14px 0 0;padding:12px 14px;border-radius:14px;font-weight:750;text-align:center}
.battle-answer-result.is-correct{background:color-mix(in srgb,var(--success) 12%,transparent);color:var(--success);border:1px solid color-mix(in srgb,var(--success) 28%,transparent)}
.battle-answer-result.is-wrong{background:color-mix(in srgb,var(--danger) 10%,transparent);color:var(--danger);border:1px solid color-mix(in srgb,var(--danger) 24%,transparent)}

/* v6 inline feedback */
.notice{padding:12px 14px;border:1px solid var(--border);border-radius:14px;background:var(--surface-secondary);margin:0 0 16px;font-size:13px;line-height:1.5}.notice.danger{border-color:color-mix(in srgb,var(--danger) 34%,var(--border));background:color-mix(in srgb,var(--danger) 7%,var(--surface));color:var(--danger)}

/* v7 · Clinical Case Library */
.cases-hero{padding-bottom:34px}.cases-hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:48px;align-items:center}.cases-hero .lead{max-width:760px}.case-progress-pill{display:inline-flex;align-items:center;gap:7px;padding:11px 15px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text-2);font-size:13px}.case-progress-pill b{color:var(--primary)}.case-hero-visual{min-height:270px;border:1px solid var(--border);border-radius:30px;background:linear-gradient(145deg,color-mix(in srgb,var(--primary) 8%,var(--surface)),var(--surface));position:relative;overflow:hidden;box-shadow:var(--shadow)}.case-hero-visual:before{content:"";position:absolute;width:250px;height:250px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--primary) 20%,transparent),transparent 68%);right:-55px;top:-75px}.case-visual-radiograph{position:absolute;inset:24px 32% 65px 24px;border-radius:20px;background:linear-gradient(145deg,#171820,#34374a);color:#aeb5d2;display:grid;place-items:center;font-size:48px;font-weight:900;letter-spacing:-.08em;border:1px solid rgba(255,255,255,.08);box-shadow:0 18px 40px rgba(15,16,24,.18)}.case-visual-radiograph:after{content:"DAS · RADIOLOGY";position:absolute;bottom:12px;left:14px;font-size:9px;letter-spacing:.18em;color:#7f87a6}.case-visual-note{position:absolute;right:22px;bottom:22px;width:min(245px,64%);background:color-mix(in srgb,var(--surface) 93%,transparent);border:1px solid var(--border);border-radius:18px;padding:17px;display:grid;gap:4px;box-shadow:var(--shadow-xs);backdrop-filter:blur(10px)}.case-visual-note b{font-size:16px}.case-visual-note span{font-size:12px;line-height:1.5;color:var(--text-2)}
.case-filter{display:grid;grid-template-columns:minmax(260px,1.5fr) minmax(180px,.7fr) minmax(150px,.45fr) auto auto;gap:10px;align-items:center;padding:13px;margin-bottom:36px}.case-search-wrap{position:relative}.case-search-wrap>span{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-3);z-index:1}.case-search-wrap .input{padding-left:38px}.case-library-head{margin-top:2px}.case-library-head p{max-width:440px;text-align:right}.case-library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.case-library-card{display:block;background:var(--surface);border:1px solid var(--border);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-xs);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s}.case-library-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--primary) 24%,var(--border))}.case-library-media{aspect-ratio:16/9;background:var(--surface-2);position:relative;overflow:hidden}.case-library-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}.case-library-card:hover .case-library-media img{transform:scale(1.025)}.case-media-placeholder{height:100%;display:grid;place-items:center;align-content:center;gap:3px;background:linear-gradient(135deg,#20202a,#413b61);color:#fff}.case-media-placeholder span{font-size:46px;font-weight:900;opacity:.82}.case-media-placeholder small{text-transform:uppercase;letter-spacing:.16em;font-size:10px;opacity:.58}.case-done-badge{position:absolute;right:12px;top:12px;padding:7px 10px;border-radius:999px;background:rgba(22,142,88,.94);color:#fff;font-size:11px;font-weight:800;box-shadow:0 8px 20px rgba(0,0,0,.12)}.case-library-body{padding:20px}.case-library-body h3{font-size:21px;line-height:1.24;margin:13px 0 8px;letter-spacing:-.025em}.case-library-body>p{color:var(--text-2);line-height:1.58;min-height:48px}.case-card-footer{border-top:1px solid var(--border);padding-top:14px;margin-top:16px;display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--text-3)}.case-card-footer b{color:var(--primary)}.case-difficulty.easy{color:var(--success)}.case-difficulty.medium{color:var(--warning)}.case-difficulty.hard{color:var(--danger)}
.case-detail-head .back-link{display:inline-block;color:var(--text-2);font-size:13px;margin-bottom:22px}.case-detail-head .meta{margin-bottom:15px}.case-detail-head h1{max-width:980px}.case-detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:28px;align-items:start}.case-detail-main{display:grid;gap:20px}.case-data-grid{display:grid;grid-template-columns:.6fr 1fr 1fr;gap:12px}.case-data-card{border:1px solid var(--border);border-radius:18px;padding:20px;background:var(--surface);box-shadow:var(--shadow-xs)}.case-data-card>span,.case-analysis-block>span{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.11em;color:var(--text-3);font-weight:800;margin-bottom:10px}.case-data-card strong{font-size:26px}.case-data-card p{margin:0;line-height:1.62}.case-clinical{padding:28px}.case-clinical h2{margin:8px 0 12px}.case-clinical p{font-size:16px;line-height:1.75}.case-media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.case-media-grid figure{margin:0;border:1px solid var(--border);border-radius:20px;overflow:hidden;background:var(--surface)}.case-media-grid img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}.case-media-grid figcaption{padding:11px 14px;font-size:11px;color:var(--text-3);text-transform:uppercase;letter-spacing:.07em}.case-diagnosis-box{padding:28px}.case-diagnosis-box h2{margin:8px 0 20px}.case-answers{grid-template-columns:1fr 1fr}.case-login-hint{margin:14px 0 0;font-size:12px}.case-answer-result{padding:17px;border-radius:15px;display:grid;gap:4px}.case-answer-result.correct{background:color-mix(in srgb,var(--success) 9%,var(--surface));border:1px solid color-mix(in srgb,var(--success) 22%,var(--border))}.case-answer-result.wrong{background:color-mix(in srgb,var(--warning) 8%,var(--surface));border:1px solid color-mix(in srgb,var(--warning) 20%,var(--border))}.case-answer-result span{color:var(--text-2);font-size:13px}.case-analysis{border-radius:26px;background:linear-gradient(145deg,color-mix(in srgb,var(--primary) 5%,var(--surface)),var(--surface));border:1px solid color-mix(in srgb,var(--primary) 16%,var(--border));padding:30px;box-shadow:var(--shadow-xs)}.case-analysis-header h2{font-size:34px;margin:8px 0 22px}.case-analysis-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.case-analysis-block{padding:22px;border:1px solid var(--border);border-radius:18px;background:var(--surface)}.case-analysis-block.accent{grid-column:1/-1;background:var(--primary);color:#fff;border-color:transparent}.case-analysis-block.accent span{color:rgba(255,255,255,.68)}.case-analysis-block.accent h3{font-size:25px;margin:0}.case-analysis-block p{margin:0;line-height:1.72}.case-complete{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:18px;padding-top:20px;border-top:1px solid var(--border)}.case-complete>div{display:grid;gap:4px}.case-complete span{font-size:12px;color:var(--text-2)}.case-steps{list-style:none;margin:18px 0 22px;padding:0;display:grid;gap:13px}.case-steps li{position:relative;padding-left:24px;color:var(--text-3);font-size:13px}.case-steps li:before{content:"";position:absolute;left:0;top:4px;width:10px;height:10px;border-radius:50%;border:2px solid var(--border)}.case-steps li.done{color:var(--text);font-weight:650}.case-steps li.done:before{background:var(--primary);border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft)}.sticky-card{position:sticky;top:92px}.pagination{display:flex;justify-content:center;gap:7px;margin-top:30px;flex-wrap:wrap}.pagination a{min-width:38px;height:38px;padding:0 10px;display:grid;place-items:center;border:1px solid var(--border);border-radius:11px;background:var(--surface);font-size:12px;font-weight:750}.pagination a.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* v8 — QR attendance */
.event-qr-card{margin:18px 0;display:grid;grid-template-columns:164px 1fr;gap:18px;align-items:center;padding:16px;border:1px solid var(--border);border-radius:20px;background:var(--surface-2)}.event-qr{width:164px;aspect-ratio:1;background:#fff;border-radius:16px;padding:10px;box-shadow:var(--shadow-xs)}.event-qr svg{display:block;width:100%;height:100%}.attendance-badge{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;font-size:11px;font-weight:800;border:1px solid var(--border);background:var(--surface-2);color:var(--text-2)}.attendance-badge.present{color:var(--success);background:color-mix(in srgb,var(--success) 10%,var(--surface));border-color:color-mix(in srgb,var(--success) 26%,var(--border))}.attendance-badge.absent{color:var(--danger);background:color-mix(in srgb,var(--danger) 9%,var(--surface));border-color:color-mix(in srgb,var(--danger) 24%,var(--border))}.attendance-badge.pending{color:var(--warning);background:color-mix(in srgb,var(--warning) 8%,var(--surface));border-color:color-mix(in srgb,var(--warning) 24%,var(--border))}.attendance-shell{max-width:840px}.attendance-profile-card{display:flex;align-items:center;gap:20px;padding:26px;margin-bottom:18px}.attendance-avatar{width:72px;height:72px;border-radius:22px;display:grid;place-items:center;font-size:30px;font-weight:900;background:var(--primary-soft);color:var(--primary)}.attendance-person{min-width:0}.attendance-person h2{font-size:30px;margin:10px 0 4px;letter-spacing:-.035em}.attendance-person p{margin:0;color:var(--text-2)}.attendance-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.attendance-meta span{padding:7px 10px;border-radius:10px;background:var(--surface-2);font-size:12px;color:var(--text-2)}.attendance-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.attendance-event-card,.attendance-action-card{padding:24px}.attendance-event-card h3,.attendance-action-card h3{font-size:24px;margin:8px 0 12px}.attendance-reward{margin-top:18px;padding:11px 12px;border-radius:12px;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:800}.attendance-actions{display:grid;gap:10px;margin-top:20px}.attendance-audit{display:grid;gap:4px;margin-top:18px;padding-top:16px;border-top:1px solid var(--border);font-size:12px}.attendance-audit span{color:var(--text-2)}.event-staff-line{margin-top:9px;color:var(--text-2);font-size:12px}
@media(max-width:700px){.event-qr-card{grid-template-columns:1fr;text-align:center}.event-qr{margin:auto;width:min(220px,100%)}.attendance-grid{grid-template-columns:1fr}.attendance-profile-card{align-items:flex-start}.attendance-person h2{font-size:24px}}

/* v8.1 — event QR, account navigation and profile actions */
.event-sidebar{min-width:0;overflow:hidden}
.event-qr-card{grid-template-columns:132px minmax(0,1fr);gap:14px;padding:14px;min-width:0;overflow:hidden;align-items:center}
.event-qr{width:132px;min-width:132px;border-radius:15px;padding:9px}
.event-qr-copy{min-width:0;max-width:100%}
.event-qr-copy>b{display:block;font-size:15px;line-height:1.28;letter-spacing:-.015em;overflow-wrap:anywhere}
.event-qr-copy p{margin:7px 0 11px;font-size:12.5px;line-height:1.48;overflow-wrap:anywhere;word-break:normal}
.event-qr-copy .attendance-badge{max-width:100%;white-space:normal;line-height:1.25;text-align:left}
.event-cover{min-width:0;object-fit:cover}
.dashboard-nav-btn{white-space:nowrap}
.mobile-account-actions{display:grid;gap:9px;margin-top:auto;padding-top:12px;border-top:1px solid var(--border)}
.profile-identity{min-width:0}
.profile-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:15px}
.profile-rating{min-width:150px}
@media(min-width:821px){.event-layout{grid-template-columns:minmax(0,1.55fr) minmax(340px,.55fr)}}

/* v8.7 persistent session hint */
.auth-session-note{margin-top:10px;padding:10px 12px;border-radius:12px;background:var(--surface-2);color:var(--text-2);font-size:11px;text-align:center;font-weight:650}