@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap";:root{--bg:#0d0d0d;--bg2:#141414;--bg3:#1c1c1c;--accent:#ffc662;--accent-dk:#e5a83e;--accent-ink:#000;--text:#fff;--muted:#a0a0a0;--line:#ffffff14;--gold:#ffc662;--panel:#141414f2;--focus:0 0 0 2px #ffc6624d;--input-bg:#1c1c1c;--radius:8px;--radius-lg:12px;--ok:#22c55e}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100dvh;font:500 14px/1.5 Inter,system-ui,sans-serif;overflow-x:hidden}.app{flex-direction:column;min-height:100dvh;display:flex}.main{flex:1;width:100%;max-width:1300px;margin:0 auto;padding:0 24px}.top{z-index:100;-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--line);background:#0d0d0df7;justify-content:space-between;align-items:center;gap:16px;height:64px;padding:0 28px;display:flex;position:sticky;top:0}.nav-student-name{color:var(--muted);white-space:nowrap;letter-spacing:.2px;font-size:13px;font-weight:700}.nav-student-name span{color:var(--accent)}.brand{color:inherit;align-items:center;gap:10px;text-decoration:none;display:flex;position:absolute;left:50%;transform:translate(-50%)}.brand-logo-img{object-fit:contain;height:36px}.brand-title{color:var(--text);letter-spacing:-.5px;white-space:nowrap;font-size:18px;font-weight:900}.brand-title em{color:var(--accent);font-style:normal}.nav-right{flex-shrink:0;align-items:center;gap:12px;display:flex}.nav-school-name{color:var(--accent);letter-spacing:.5px;white-space:nowrap;font-size:13px;font-weight:800}.nav-logout-btn{border:1px solid var(--line);color:var(--muted);cursor:pointer;white-space:nowrap;background:#ffffff0f;border-radius:8px;align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:600;transition:all .15s;display:flex}.nav-logout-btn:hover{color:#f87171;background:#ff64641f;border-color:#f871714d}.nav-links{flex:1;align-items:center;gap:8px;display:flex}.link-btn{color:var(--muted);border-radius:var(--radius);padding:6px 12px;font-size:14px;font-weight:600;text-decoration:none;transition:color .15s,background .15s}.link-btn:hover,.link-btn.active{color:var(--text);background:#ffffff0f}.btn{border-radius:var(--radius);background:var(--accent);min-height:48px;color:var(--accent-ink);cursor:pointer;white-space:nowrap;border:0;justify-content:center;align-items:center;gap:8px;width:auto;padding:0 24px;font:700 15px/1 Inter,sans-serif;text-decoration:none;transition:background .15s,transform .1s,filter .15s;display:inline-flex}.btn:hover{background:var(--accent-dk)}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.4;pointer-events:none}.btn.secondary{color:var(--text);border:1px solid var(--line);background:#ffffff0f}.btn.secondary:hover{background:#ffffff1a}.btn.outline{color:var(--accent);border:2px solid var(--accent);background:0 0}.btn.outline:hover{background:#ffc66214}.btn.full{width:100%}.btn.danger{color:#f87171;background:#dc262626;border:1px solid #dc26264d}.btn.danger:hover{background:#dc262640}.form-group{margin-bottom:16px}.label{text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:6px;font-size:11px;font-weight:700;display:block}.input{background:var(--input-bg);border-radius:var(--radius);width:100%;min-height:48px;color:var(--text);border:1px solid #ffffff1a;outline:none;padding:12px 16px;font:500 15px Inter,sans-serif;transition:border-color .2s,box-shadow .2s}.input:focus{border-color:var(--accent);box-shadow:var(--focus)}.input::placeholder{color:var(--muted)}.login-bg{z-index:0;background:#0a0a0a;position:fixed;inset:0;overflow:hidden}.login-mosaic{opacity:.2;filter:blur(1px);grid-template-columns:repeat(6,1fr);gap:8px;display:grid;position:absolute;inset:-20px;transform:rotate(-8deg)scale(1.3)}.login-mosaic-item{aspect-ratio:2/3;background:var(--bg3);background-position:50%;background-size:cover;border-radius:6px}.login-overlay{z-index:1;background:radial-gradient(#1e0f00b3 0%,#000000eb 100%);position:fixed;inset:0}.login-wrap{z-index:2;justify-content:center;align-items:center;min-height:100dvh;padding:24px;display:flex;position:relative}.login-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0f0f0ffa;border:1px solid #ffc6621f;border-radius:20px;width:100%;max-width:440px;padding:44px 40px;box-shadow:0 0 80px #ffc66214}.login-logo{text-align:center;margin-bottom:28px}.login-logo-img{object-fit:contain;height:56px;margin-bottom:12px}.login-school-name{letter-spacing:-.5px;color:#fff;font-size:26px;font-weight:900}.login-school-name em{color:var(--accent);font-style:normal}.login-headline{color:var(--muted);margin-top:4px;font-size:14px;font-weight:500;line-height:1.5}.login-sep{background:linear-gradient(90deg, transparent, var(--accent), transparent);opacity:.4;border:none;height:1px;margin:20px 0 28px}.login-meta{color:var(--muted);justify-content:space-between;margin-bottom:16px;font-size:12px;display:flex}.login-meta a{color:var(--muted);text-decoration:none}.login-meta a:hover{color:var(--accent)}.login-security{text-align:center;color:var(--muted);opacity:.7;justify-content:center;align-items:center;gap:6px;margin-top:20px;font-size:12px;display:flex}.catalog-section{padding:28px 0 20px}.catalog-course-block{margin-bottom:52px}.catalog-course-header{border-bottom:2px solid #ffc66226;align-items:flex-end;gap:20px;margin-bottom:20px;padding-bottom:14px;display:flex}.catalog-course-title{color:#fff;letter-spacing:-.4px;font-size:22px;font-weight:900}.catalog-course-meta{color:var(--muted);margin-bottom:2px;font-size:12px;font-weight:500}.story-row{scrollbar-width:none;gap:16px;padding-bottom:8px;display:flex;overflow-x:auto}.story-row::-webkit-scrollbar{display:none}.story-bubble{cursor:pointer;flex-direction:column;flex:none;align-items:center;gap:8px;transition:transform .2s;display:flex}.story-bubble:hover{transform:translateY(-4px)}.story-ring{background:linear-gradient(135deg,#ffffff1a,#ffffff0d);border-radius:50%;width:72px;height:72px;padding:3px;transition:all .2s}.story-ring.active{background:linear-gradient(135deg, var(--accent), var(--accent-dk));box-shadow:0 0 20px #ffc66266}.story-ring-inner{background-position:50%;background-size:cover;background-color:var(--bg3);border:2px solid var(--bg);width:100%;height:100%;color:var(--accent);border-radius:50%;justify-content:center;align-items:center;font-size:20px;font-weight:900;display:flex;overflow:hidden}.story-label{color:var(--muted);text-align:center;white-space:nowrap;text-overflow:ellipsis;max-width:72px;font-size:11px;font-weight:600;line-height:1.2;overflow:hidden}.story-label.active{color:var(--accent)}.lessons-expanded{border-radius:var(--radius-lg);background:var(--bg2);border:1px solid #ffc6621a;margin-top:20px;overflow:hidden}.lesson-row{cursor:pointer;border-bottom:1px solid #ffffff0a;align-items:center;gap:16px;padding:14px 18px;transition:background .15s;display:flex}.lesson-row:last-child{border-bottom:none}.lesson-row:hover{background:#ffffff0a}.lesson-row.active{border-left:3px solid var(--accent);background:#ffc6620f}.lesson-row-num{width:32px;height:32px;color:var(--accent);background:#ffc6621a;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:800;display:flex}.lesson-row-info{flex:1}.lesson-row-title{color:#fff;font-size:14px;font-weight:600}.lesson-row-meta{color:var(--muted);margin-top:2px;font-size:11px}.section-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.section-title{color:var(--text);letter-spacing:-.3px;font-size:18px;font-weight:800}.section-link{color:var(--accent);font-size:13px;font-weight:600;text-decoration:none}.cards-row{scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x mandatory;gap:16px;padding-bottom:16px;display:flex;overflow-x:auto}.cards-row::-webkit-scrollbar{display:none}.pcard{aspect-ratio:3/4;border-radius:var(--radius-lg);cursor:pointer;scroll-snap-align:start;background:var(--bg3);flex:none;width:180px;text-decoration:none;transition:transform .25s cubic-bezier(.25,.46,.45,.94),box-shadow .25s;position:relative;overflow:hidden}@media (width>=768px){.pcard{width:220px}}.pcard:hover{z-index:2;transform:scale(1.05);box-shadow:0 12px 32px #000000b3}.pcard-img{background-position:50%;background-size:cover;transition:transform .35s;position:absolute;inset:0}.pcard:hover .pcard-img{transform:scale(1.08)}.pcard-overlay{background:linear-gradient(#0000 40%,#000000eb 100%);position:absolute;inset:0}.pcard-body{padding:16px 14px;position:absolute;bottom:0;left:0;right:0}.pcard-tag{text-transform:uppercase;letter-spacing:1px;color:var(--accent);margin-bottom:6px;font-size:9px;font-weight:700;display:inline-block}.pcard-title{color:#fff;text-transform:uppercase;letter-spacing:.3px;font-size:13px;font-weight:800;line-height:1.2}.pcard-price{color:var(--accent);margin-top:6px;font-size:12px;font-weight:700}.lcard{border-radius:var(--radius-lg);background:var(--bg2);border:1px solid var(--line);cursor:pointer;scroll-snap-align:start;flex:none;width:300px;text-decoration:none;transition:transform .2s,border-color .2s;overflow:hidden}.lcard:hover{border-color:#ffc6624d;transform:translateY(-4px)}.lcard-img{background:var(--bg3);background-position:50%;background-size:cover;height:160px;position:relative}.lcard-play{opacity:0;background:#0006;justify-content:center;align-items:center;transition:opacity .2s;display:flex;position:absolute;inset:0}.lcard:hover .lcard-play{opacity:1}.lcard-body{padding:14px}.lcard-title{color:#fff;margin-bottom:6px;font-size:14px;font-weight:700}.lcard-meta{color:var(--muted);font-size:12px}.progress-bar{background:#ffffff1a;border-radius:2px;height:3px;margin-top:10px}.progress-fill{background:var(--accent);border-radius:2px;height:100%}.study-layout-v2{grid-template-columns:260px 1fr;gap:0;min-height:calc(100vh - 64px);display:grid}@media (width<=900px){.study-layout-v2{grid-template-columns:1fr}}.study-sidebar-left{background:var(--bg2);border-right:1px solid var(--line);flex-direction:column;display:flex;overflow:hidden}.study-sidebar-left-header{border-bottom:1px solid var(--line);background:var(--bg);padding:18px 16px}.study-sidebar-left-title{text-transform:uppercase;letter-spacing:1px;color:var(--accent);margin-bottom:4px;font-size:12px;font-weight:700}.study-sidebar-left-module{color:#fff;font-size:14px;font-weight:700}.study-lessons-list{scrollbar-width:thin;scrollbar-color:#ffffff1a transparent;flex:1;overflow-y:auto}.study-lesson-item{cursor:pointer;border-bottom:1px solid #ffffff0a;align-items:center;gap:12px;padding:12px 16px;transition:background .15s;display:flex}.study-lesson-item:hover{background:#ffffff0a}.study-lesson-item.active{border-left:3px solid var(--accent);background:#ffc66212}.study-lesson-num{width:28px;height:28px;color:var(--muted);background:#ffffff0f;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;font-size:11px;font-weight:800;display:flex}.study-lesson-item.active .study-lesson-num{color:var(--accent);background:#ffc66226}.study-lesson-info{flex:1;min-width:0}.study-lesson-title{color:#fff;font-size:12px;font-weight:600;line-height:1.3}.study-lesson-dur{color:var(--muted);margin-top:2px;font-size:10px}.study-main-content{background:#000;flex-direction:column;display:flex;overflow-y:auto}.study-video-wrapper{aspect-ratio:16/9;background:#000;width:100%;position:relative}.study-video-iframe{border:0;width:100%;height:100%;display:block}.study-lesson-info-panel{background:var(--bg);flex:1;padding:24px 28px}.study-lesson-title-main{color:#fff;margin-bottom:12px;font-size:20px;font-weight:800;line-height:1.3}.study-lesson-desc{color:var(--muted);margin-bottom:20px;font-size:14px;line-height:1.7}.study-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.course-hero{border-radius:var(--radius-lg);height:360px;margin-bottom:32px;position:relative;overflow:hidden}.course-hero-img{background-position:50%;background-size:cover;position:absolute;inset:0}.course-hero-overlay{background:linear-gradient(#0000 0%,#0d0d0d4d 40%,#0d0d0d 100%);position:absolute;inset:0}.course-hero-content{padding:32px;position:absolute;bottom:0;left:0;right:0}.site-footer{background:var(--bg2);border-top:1px solid #ffc6621a;margin-top:auto;padding:40px 28px 24px}.footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:32px;max-width:1300px;margin:0 auto;display:flex}.footer-brand{flex-direction:column;gap:8px;display:flex}.footer-logo{object-fit:contain;height:40px}.footer-school-name{color:#fff;letter-spacing:-.3px;font-size:18px;font-weight:900}.footer-school-name em{color:var(--accent);font-style:normal}.footer-tagline{color:var(--muted);font-size:12px}.footer-contact{flex-direction:column;gap:8px;display:flex}.footer-contact-title{text-transform:uppercase;letter-spacing:1px;color:var(--muted);font-size:11px;font-weight:700}.footer-contact-item{color:var(--muted);align-items:center;gap:8px;font-size:13px;display:flex}.footer-contact-item a{color:var(--muted);text-decoration:none;transition:color .15s}.footer-contact-item a:hover{color:var(--accent)}.footer-bottom{border-top:1px solid var(--line);text-align:center;color:var(--muted);opacity:.6;margin-top:28px;padding-top:20px;font-size:12px}.admin-sidebar{background:#0d0d0d;border-right:1px solid #ffc66212;flex-direction:column;flex-shrink:0;width:220px;display:flex}.admin-sidebar-brand{border-bottom:1px solid #ffffff0f;align-items:center;gap:10px;padding:24px 20px;display:flex}.admin-sidebar-icon{background:var(--accent);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.admin-sidebar-text-primary{color:#fff;font-size:13px;font-weight:800}.admin-sidebar-text-secondary{color:var(--muted);font-size:10px}.admin-nav-item{color:var(--muted);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;width:100%;margin-bottom:2px;padding:10px 14px;font-size:14px;font-weight:500;text-decoration:none;transition:all .15s;display:flex}.admin-nav-item:hover{color:#fff;background:#ffffff0f}.admin-nav-item.active{color:var(--accent);background:#ffc6621a}.badge{text-transform:uppercase;letter-spacing:1px;color:var(--muted);background:#ffffff0f;border:1px solid #ffffff1a;border-radius:4px;padding:3px 8px;font-size:10px;font-weight:700;display:inline-block}.access-badge{color:var(--accent);background:#ffc66214;border:1px solid #ffc66233;border-radius:20px;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:700;display:inline-flex}.card{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius-lg);margin-bottom:16px;padding:24px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;display:grid}@media (width<=600px){.main,.top{padding:0 16px}.brand{position:static;transform:none}.nav-school-name{display:none}.study-layout-v2{grid-template-columns:1fr}}