.student-shell{min-height:calc(100vh - 140px)}.student-page{width:min(calc(100% - 28px),1280px);margin-inline:auto;padding:26px 0 72px}.student-dashboard-page{padding-top:22px}.student-dashboard-shell{display:grid;grid-gap:18px;gap:18px}.student-dashboard-hero{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:24px;border:1px solid var(--border);border-radius:18px;background:linear-gradient(135deg,#fff,#f4fbfa);box-shadow:0 8px 24px rgba(24,70,74,.05)}.student-dashboard-hero h1{margin:6px 0 8px;font-size:clamp(25px,4vw,38px);letter-spacing:-.02em}.student-dashboard-hero p{margin:0;color:var(--muted);line-height:1.9;max-width:720px}.student-kicker{color:var(--brand-primary);font-weight:800;font-size:12px}.student-outline-button,.student-primary-button{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 16px;border-radius:11px;font:inherit;font-size:12px;font-weight:800;text-decoration:none;cursor:pointer;transition:.18s ease}.student-primary-button{border:1px solid var(--brand-primary);background:var(--brand-primary);color:#fff}.student-primary-button:hover{transform:translateY(-1px);filter:brightness(.97)}.student-primary-button:disabled{opacity:.55;cursor:not-allowed;transform:none}.student-outline-button{border:1px solid var(--border);background:#fff;color:var(--text)}.student-outline-button:hover{background:var(--surface-2)}.student-outline-button:disabled{opacity:.45;cursor:not-allowed}.student-stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:10px;gap:10px}.student-stats-grid>div{padding:15px 16px;border:1px solid var(--border);border-radius:14px;background:#fff}.student-stats-grid span{display:block;color:var(--muted);font-size:11px}.student-stats-grid strong{display:block;margin-top:8px;font-size:24px}.student-library-section{display:grid;grid-gap:12px;gap:12px}.student-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}.student-section-head h2{margin:0;font-size:21px}.student-section-head p{margin:5px 0 0;color:var(--muted);font-size:12px}.student-course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:14px;gap:14px}.premium-student-card{overflow:hidden;border:1px solid var(--border);border-radius:15px;background:#fff;box-shadow:0 6px 20px rgba(20,58,62,.045)}.student-course-cover{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#eef4f4;text-decoration:none}.student-course-cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s ease}.student-course-cover:hover img{transform:scale(1.025)}.student-course-cover>span{position:absolute;right:9px;bottom:9px;padding:5px 8px;border-radius:999px;background:rgba(7,31,34,.82);color:#fff;font-size:9px;font-weight:700;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.student-course-cover-empty{width:100%;height:100%;display:grid;place-items:center;color:var(--brand-primary);font-weight:900;letter-spacing:.12em;font-size:13px}.student-course-card-body{display:grid;grid-gap:11px;gap:11px;padding:14px}.student-course-card-body h3{margin:0;font-size:15px;line-height:1.8}.student-course-card-body h3 a{color:inherit;text-decoration:none}.student-course-card-body p{margin:0;color:var(--muted);font-size:11px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.student-course-numbers{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:10px}.student-course-numbers strong{color:var(--text)}.student-mini-progress,.student-progress{height:6px;overflow:hidden;border-radius:999px;background:#edf2f2}.student-mini-progress>span,.student-progress>span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--brand-primary),var(--brand-accent))}.student-course-card-body .student-primary-button{width:100%;margin-top:1px}.student-empty,.student-state-card{border:1px dashed var(--border);border-radius:16px;background:#fff;color:var(--muted);padding:30px 22px;text-align:center}.student-library-empty{display:grid;place-items:center;grid-gap:9px;gap:9px}.student-library-empty strong{color:var(--text);font-size:16px}.student-library-empty .student-primary-button{margin-top:5px}.student-error{border:1px solid rgba(185,55,65,.2);border-radius:12px;padding:12px 14px;background:rgba(185,55,65,.05);color:#922d39;font-size:12px}.error-state{display:grid;grid-gap:9px;gap:9px;place-items:center}.error-state strong{color:var(--text)}.student-course-page{width:min(calc(100% - 22px),1380px);padding-top:18px}.student-course-player-page{display:grid;grid-gap:13px;gap:13px}.student-course-topbar{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:16px 18px;border:1px solid var(--border);border-radius:14px;background:#fff}.student-course-topbar h1{margin:4px 0 7px;font-size:clamp(21px,3vw,30px)}.student-back-link{color:var(--brand-primary);font-size:11px;text-decoration:none;font-weight:800}.student-course-progress-inline{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:10px}.student-course-progress-inline strong{color:var(--text)}.student-course-progress-ring{--progress:0%;width:60px;height:60px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;background:conic-gradient(var(--brand-primary) var(--progress),#e8eeee 0);position:relative}.student-course-progress-ring:after{content:"";position:absolute;inset:6px;border-radius:inherit;background:#fff}.student-course-progress-ring span{position:relative;z-index:1;font-size:10px;font-weight:900}.student-course-message{padding:12px 14px;border-radius:12px;background:#eef8f6;border:1px solid rgba(23,136,125,.14);color:#245f5b;font-size:12px;line-height:1.8}.student-learning-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;grid-gap:14px;gap:14px;align-items:start}.student-video-column{min-width:0}.student-player-card{overflow:hidden;border:1px solid var(--border);border-radius:15px;background:#fff;box-shadow:0 8px 26px rgba(20,58,62,.05)}.student-video-wrap{background:#060a0b}.student-video-frame{width:100%;aspect-ratio:16/9;border:0;display:block;background:#000}.student-video-empty{aspect-ratio:16/9;display:grid;place-items:center;align-content:center;grid-gap:6px;gap:6px;background:#10191b;color:#dce8e8;text-align:center;padding:20px}.student-video-empty span{color:#9fb3b5;font-size:11px}.student-lesson-content{padding:16px 18px 18px}.student-lesson-title-row{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.student-lesson-title-row h2{margin:4px 0 0;font-size:20px}.student-complete-badge{padding:6px 9px;border-radius:999px;background:#ecf8f2;color:#2d7f60;font-size:9px;font-weight:800;white-space:nowrap}.lesson-description{line-height:2;font-size:12px;margin:13px 0 0}.student-muted{color:var(--muted)}.student-lesson-meta-row{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:12px;padding-top:12px;border-top:1px solid var(--border);color:var(--muted);font-size:10px}.student-player-actions{display:grid;grid-template-columns:auto minmax(160px,1fr) auto;grid-gap:8px;gap:8px;margin-top:15px}.student-curriculum-panel{position:-webkit-sticky;position:sticky;top:88px;overflow:hidden;border:1px solid var(--border);border-radius:15px;background:#fff;max-height:calc(100vh - 108px);display:flex;flex-direction:column}.student-curriculum-head{padding:14px;border-bottom:1px solid var(--border);background:#fbfdfd}.student-curriculum-head>div:first-child{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:11px}.student-curriculum-head span{color:var(--muted)}.student-curriculum-head strong{font-size:11px}.student-mini-progress{margin-top:9px;height:5px}.student-chapters-list{overflow:auto;padding:7px}.student-chapter{border-bottom:1px solid #eef1f1;padding:5px 0 9px}.student-chapter:last-child{border-bottom:0}.student-chapter-head{display:flex;align-items:center;gap:8px;padding:8px}.student-chapter-head>span{width:26px;height:26px;display:grid;place-items:center;border-radius:8px;background:#eff6f5;color:var(--brand-primary);font-size:9px;font-weight:900}.student-chapter-head h3{margin:0;font-size:11px;line-height:1.7}.student-chapter-head small{color:var(--muted);font-size:9px}.student-chapter-lessons{display:grid;grid-gap:3px;gap:3px}.student-lesson-button{width:100%;display:grid;grid-template-columns:24px minmax(0,1fr) auto;align-items:center;grid-gap:7px;gap:7px;border:1px solid transparent;border-radius:9px;background:transparent;color:var(--text);padding:8px;text-align:right;cursor:pointer;font:inherit}.student-lesson-button:hover{background:#f7fafa}.student-lesson-button[data-active=true]{background:#eef8f6;border-color:rgba(17,120,115,.12)}.student-lesson-status{width:22px;height:22px;display:grid;place-items:center;border-radius:7px;background:#edf2f2;color:#718185;font-size:8px}.student-lesson-button[data-complete=true] .student-lesson-status{background:#e8f7ef;color:#2d7f60}.student-lesson-name{min-width:0;font-size:10px;line-height:1.6;font-weight:700}.student-lesson-button small{color:var(--muted);font-size:8px;white-space:nowrap}@media (max-width:1050px){.student-course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.student-learning-layout{grid-template-columns:1fr}.student-curriculum-panel{position:static;max-height:none}.student-chapters-list{max-height:440px}}@media (max-width:760px){.student-page{width:min(calc(100% - 18px),1280px);padding-top:14px;padding-bottom:86px}.student-dashboard-hero{padding:17px;border-radius:14px;align-items:flex-start;flex-direction:column}.student-dashboard-hero .student-outline-button{width:100%}.student-stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.student-course-grid{grid-template-columns:1fr}.student-course-topbar{padding:13px;align-items:flex-start}.student-course-progress-ring{width:52px;height:52px}.student-player-actions{grid-template-columns:1fr 1fr}.student-player-actions .student-primary-button{grid-column:1/-1;grid-row:1}.student-lesson-content{padding:14px}.student-lesson-title-row{flex-direction:column}.student-course-page{width:100%;padding-left:8px;padding-right:8px}}@media (max-width:440px){.student-stats-grid>div{padding:12px}.student-stats-grid strong{font-size:20px}.student-course-topbar h1{font-size:19px}.student-course-progress-inline{display:grid;grid-gap:3px;gap:3px}.student-curriculum-panel,.student-player-card{border-radius:12px}.student-lesson-button{grid-template-columns:22px minmax(0,1fr)}.student-lesson-button small{grid-column:2}}.student-session-line{width:-moz-fit-content;width:fit-content;display:inline-flex;align-items:center;gap:7px;margin-bottom:4px;padding:5px 9px;border-radius:999px;background:#edf9f4;color:#237957;font-size:10px;font-weight:800}.student-session-dot{width:8px;height:8px;border-radius:999px;background:#1ca66f;box-shadow:0 0 0 3px rgba(28,166,111,.12)}