@import"https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600&display=swap";.toast[data-v-7a2b2b1c]{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);z-index:9999;pointer-events:none}.toast-inner[data-v-7a2b2b1c]{pointer-events:auto;display:inline-flex;align-items:flex-start;gap:12px;min-width:320px;max-width:min(560px,calc(100vw - 32px));padding:14px 16px;border-radius:14px;background:#111827eb;color:#ffffffeb;box-shadow:0 18px 55px #02061759;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1)}.icon[data-v-7a2b2b1c]{width:22px;height:22px;color:#ff5b5b;flex:0 0 auto}.icon svg[data-v-7a2b2b1c]{width:22px;height:22px;display:block;filter:drop-shadow(0 0 12px rgba(255,91,91,.25))}.text[data-v-7a2b2b1c]{flex:1 1 auto;font-size:14px;line-height:1.35;word-break:break-word;padding-top:2px}.close[data-v-7a2b2b1c]{flex:0 0 auto;width:28px;height:28px;border:none;border-radius:10px;background:#ffffff14;color:#ffffffd9;cursor:pointer}.close[data-v-7a2b2b1c]:hover{background:#ffffff24}.toast-pop-enter-active[data-v-7a2b2b1c]{transition:transform .22s cubic-bezier(.2,.9,.2,1),opacity .22s ease}.toast-pop-leave-active[data-v-7a2b2b1c]{transition:transform .16s ease,opacity .16s ease}.toast-pop-enter-from[data-v-7a2b2b1c],.toast-pop-leave-to[data-v-7a2b2b1c]{opacity:0;transform:translate(-50%,-50%) scale(.92)}.toast-pop-enter-to[data-v-7a2b2b1c],.toast-pop-leave-from[data-v-7a2b2b1c]{opacity:1;transform:translate(-50%,-50%) scale(1)}.toast[data-v-e7b51aa6]{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);z-index:9999;pointer-events:none}.toast-inner[data-v-e7b51aa6]{pointer-events:auto;display:inline-flex;align-items:flex-start;gap:12px;min-width:300px;max-width:min(520px,calc(100vw - 32px));padding:14px 16px;border-radius:14px;background:#0f172aeb;color:#ffffffeb;box-shadow:0 18px 55px #02061759;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1)}.icon[data-v-e7b51aa6]{width:22px;height:22px;color:#22c55e;flex:0 0 auto}.icon svg[data-v-e7b51aa6]{width:22px;height:22px;display:block;filter:drop-shadow(0 0 12px rgba(34,197,94,.35))}.text[data-v-e7b51aa6]{flex:1 1 auto;font-size:14px;line-height:1.35;word-break:break-word;padding-top:2px}.close[data-v-e7b51aa6]{flex:0 0 auto;width:28px;height:28px;border:none;border-radius:10px;background:#ffffff14;color:#ffffffd9;cursor:pointer}.close[data-v-e7b51aa6]:hover{background:#ffffff24}.toast-pop-enter-active[data-v-e7b51aa6]{transition:transform .22s cubic-bezier(.2,.9,.2,1),opacity .22s ease}.toast-pop-leave-active[data-v-e7b51aa6]{transition:transform .16s ease,opacity .16s ease}.toast-pop-enter-from[data-v-e7b51aa6],.toast-pop-leave-to[data-v-e7b51aa6]{opacity:0;transform:translate(-50%,-50%) scale(.92)}.toast-pop-enter-to[data-v-e7b51aa6],.toast-pop-leave-from[data-v-e7b51aa6]{opacity:1;transform:translate(-50%,-50%) scale(1)}:root{font-family:Manrope,Space Grotesk,sans-serif;--bg: #0b111e;--bg-soft: #111827;--card: rgba(17, 24, 39, .82);--card-strong: #111827;--stroke: rgba(148, 163, 184, .18);--text: #f8fafc;--muted: rgba(148, 163, 184, .85);--accent: #38bdf8;--accent-strong: #0ea5e9;--accent-warm: #f97316;--success: #10b981}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top,#1e293b,#0b111e 55%);color:var(--text);min-height:100vh}a{color:inherit;text-decoration:none}button,input,textarea,select{font-family:inherit}img{max-width:100%;display:block}.page-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:20px 40px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#0f172ab8;border-bottom:1px solid rgba(148,163,184,.15);position:sticky;top:0;z-index:20;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-family:Space Grotesk,sans-serif;letter-spacing:.02em}.brand-badge{width:40px;height:40px;border-radius:14px;background:linear-gradient(135deg,#38bdf8,#6366f1);display:grid;place-items:center;font-weight:700;color:#0b111e}.top-nav{display:flex;align-items:center;gap:12px}.top-nav button,.top-nav a{border:none;background:#94a3b81f;color:#e2e8f0;padding:8px 14px;border-radius:999px;cursor:pointer;font-weight:600}.container{width:min(1280px,100%);margin:0 auto;padding:30px 40px 60px}@media (max-width: 960px){.topbar{padding:18px 20px}.container{padding:24px 18px 40px}}.user-menu[data-v-12b1d482]{position:relative}.user-trigger[data-v-12b1d482]{display:flex;align-items:center;gap:12px;padding:6px 12px;border-radius:999px;background:#0f172a99;border:1px solid rgba(148,163,184,.2);color:inherit;cursor:pointer}.user-meta[data-v-12b1d482]{display:flex;align-items:center;line-height:1.2}.user-name[data-v-12b1d482]{font-weight:600;font-size:14px}.avatar[data-v-12b1d482]{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#38bdf8,#6366f1);display:grid;place-items:center;color:#0f172a;font-weight:700;background-size:cover;background-position:center}.avatar.big[data-v-12b1d482]{width:52px;height:52px}.chevron[data-v-12b1d482]{display:grid;place-items:center;transition:transform .2s ease;opacity:.7}.chevron-icon[data-v-12b1d482]{width:16px;height:16px}.chevron.open[data-v-12b1d482]{transform:rotate(180deg)}.menu-panel[data-v-12b1d482]{position:absolute;right:0;top:calc(100% + 12px);z-index:30}.menu-card[data-v-12b1d482]{width:240px;background:#0f172a;border:1px solid rgba(148,163,184,.2);border-radius:18px;padding:16px;box-shadow:0 24px 50px #0f172a59}.menu-header[data-v-12b1d482]{display:flex;align-items:center;gap:12px;margin-bottom:12px}.menu-name[data-v-12b1d482]{font-weight:600}.menu-sub[data-v-12b1d482]{font-size:12px;color:#94a3b8cc}.menu-actions[data-v-12b1d482]{display:grid;gap:8px}.menu-actions button[data-v-12b1d482]{border:none;border-radius:12px;padding:10px 12px;background:#38bdf829;color:#38bdf8;font-weight:600;cursor:pointer}.menu-actions button.ghost[data-v-12b1d482]{background:#94a3b81f;color:#e2e8f0}.profile-overlay[data-v-12b1d482]{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a8c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:grid;place-items:center;z-index:40}.profile-card[data-v-12b1d482]{width:min(420px,90vw);background:#0f172a;border:1px solid rgba(148,163,184,.2);border-radius:20px;padding:20px;box-shadow:0 24px 50px #0f172a66}.profile-header[data-v-12b1d482]{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.profile-header h3[data-v-12b1d482]{margin:0;font-size:18px}.profile-header button[data-v-12b1d482]{background:transparent;border:none;color:#94a3b8cc;cursor:pointer}.profile-grid[data-v-12b1d482]{display:grid;gap:12px}.profile-item[data-v-12b1d482]{display:flex;justify-content:space-between;padding:10px 12px;border-radius:12px;background:#1e293b80}.profile-item span[data-v-12b1d482]{color:#94a3b8cc;font-size:12px}.profile-item .profile-value[data-v-12b1d482]{font-weight:500;font-size:13px;color:#e2e8f0}.fade-enter-active[data-v-12b1d482],.fade-leave-active[data-v-12b1d482]{transition:opacity .18s ease}.fade-enter-from[data-v-12b1d482],.fade-leave-to[data-v-12b1d482]{opacity:0}.profile-form[data-v-12b1d482]{display:grid;gap:10px;margin-top:12px}.profile-form label[data-v-12b1d482]{font-size:12px;color:#94a3b8cc}.profile-form input[data-v-12b1d482]{border-radius:12px;border:1px solid rgba(148,163,184,.2);background:#02061799;color:#e2e8f0;padding:10px 12px}.profile-actions[data-v-12b1d482]{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}.profile-actions .primary[data-v-12b1d482]{background:#38bdf8d9;color:#0f172a;border:none;padding:8px 16px;border-radius:10px;cursor:pointer}.profile-actions .ghost[data-v-12b1d482]{background:#ffffff14;color:#e2e8f0;border:none;padding:8px 16px;border-radius:10px;cursor:pointer}.course-section[data-v-9c5e6c19]{display:flex;flex-direction:column;gap:20px}.section-header[data-v-9c5e6c19]{display:flex;align-items:center;justify-content:space-between}.section-header h2[data-v-9c5e6c19]{margin:0;font-size:24px}.section-header p[data-v-9c5e6c19]{margin:6px 0 0;color:#94a3b8cc}.course-grid[data-v-9c5e6c19]{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}.course-card[data-v-9c5e6c19]{background:#0f172abf;border-radius:22px;overflow:hidden;border:1px solid rgba(148,163,184,.12);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease;cursor:pointer}.course-card[data-v-9c5e6c19]:hover{transform:translateY(-6px);box-shadow:0 20px 45px #0f172a73}.cover[data-v-9c5e6c19]{position:relative;padding-top:75%;background:#94a3b826;background-size:cover;background-position:center}.cover-placeholder[data-v-9c5e6c19]{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;gap:8px;color:#94a3b8cc;font-weight:600}.placeholder-icon[data-v-9c5e6c19]{width:48px;height:48px;border-radius:16px;background:#38bdf833;display:grid;place-items:center;font-size:20px}.cover-overlay[data-v-9c5e6c19]{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:flex-start;justify-content:flex-end;padding:12px}.resume[data-v-9c5e6c19]{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:linear-gradient(135deg,#38bdf842,#38bdf81f);border:1px solid rgba(56,189,248,.22);color:#e0f2feeb;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 10px 24px #02061759;font-size:12px;line-height:1}.resume-icon[data-v-9c5e6c19]{width:16px;height:16px;color:#38bdf8f2;flex:0 0 auto}.resume-prefix[data-v-9c5e6c19]{font-size:11px;color:#e2e8f0d1}.resume-lesson[data-v-9c5e6c19]{font-weight:700;letter-spacing:.2px;color:#e0f2fefa}.course-body[data-v-9c5e6c19]{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}.course-title[data-v-9c5e6c19]{font-weight:600;font-size:16px}.course-summary[data-v-9c5e6c19]{color:#e2e8f0c7;font-size:14px;line-height:1.55;min-height:66px;max-height:66px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;text-overflow:ellipsis}.course-meta[data-v-9c5e6c19]{margin-top:auto;display:flex;align-items:center;justify-content:flex-start}.lesson-count[data-v-9c5e6c19]{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#94a3b8c7;line-height:1}.meta-icon[data-v-9c5e6c19]{width:14px;height:14px;color:#38bdf8e6}.state-panel[data-v-9c5e6c19]{padding:28px;border-radius:16px;background:#0f172ab3;border:1px solid rgba(148,163,184,.15);color:#f8fafccc}.state-panel.error[data-v-9c5e6c19]{border-color:#f8717173;color:#f87171}.more-wrap[data-v-9c5e6c19]{display:flex;justify-content:center;margin-top:16px}.login-wrapper[data-v-b9568b5c]{--primary: #38bdf8;--primary-glow: rgba(56, 189, 248, .35);--text-main: #e2e8f0;--text-muted: rgba(148, 163, 184, .8);--input-bg: rgba(15, 23, 42, .7);min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle at top,#1e293b,#0b111e 55%);font-family:Manrope,Space Grotesk,sans-serif;position:relative;overflow-x:hidden;color:var(--text-main)}.background-assets[data-v-b9568b5c]{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none}.energy-path[data-v-b9568b5c],.energy-path-2[data-v-b9568b5c]{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.tech-grid[data-v-b9568b5c]{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;opacity:.4}.circuit-path[data-v-b9568b5c]{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;opacity:.5}.particle-field[data-v-b9568b5c]{position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(rgba(56,189,248,.3) 1px,transparent 1px);background-size:120px 120px;opacity:.2}.scanline[data-v-b9568b5c]{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(transparent,rgba(56,189,248,.1),transparent);opacity:.3;animation:scan-b9568b5c 8s linear infinite}.orb[data-v-b9568b5c]{position:absolute;border-radius:50%;filter:blur(60px);opacity:.35}.orb-1[data-v-b9568b5c]{width:280px;height:280px;background:#38bdf866;top:-80px;right:10%}.orb-2[data-v-b9568b5c]{width:220px;height:220px;background:#6366f166;bottom:-60px;left:12%}.login-container[data-v-b9568b5c]{position:relative;z-index:1;width:min(420px,90vw)}.login-card[data-v-b9568b5c]{background:#0f172adb;border-radius:28px;padding:32px;border:1px solid rgba(148,163,184,.2);box-shadow:0 30px 60px #0f172a8c;position:relative;overflow:hidden}.card-accent[data-v-b9568b5c]{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at top,rgba(56,189,248,.16),transparent 60%);opacity:.6}.login-header[data-v-b9568b5c]{position:relative;display:flex;flex-direction:column;gap:8px;margin-bottom:24px}.logo-box[data-v-b9568b5c]{width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,#38bdf8,#6366f1);display:grid;place-items:center;font-weight:700;color:#0f172a;font-size:20px}.login-header h1[data-v-b9568b5c]{margin:0;font-size:22px}.login-form[data-v-b9568b5c]{position:relative;display:grid;gap:16px}.form-group label[data-v-b9568b5c]{display:block;margin-bottom:6px;font-size:13px;color:var(--text-muted)}.input-wrapper[data-v-b9568b5c]{background:var(--input-bg);border-radius:14px;padding:12px 14px;border:1px solid rgba(148,163,184,.25)}.input-wrapper input[data-v-b9568b5c]{width:100%;border:none;background:transparent;outline:none;color:var(--text-main);font-size:14px}.submit-btn[data-v-b9568b5c]{border:none;border-radius:16px;padding:12px 16px;background:linear-gradient(135deg,#38bdf8,#6366f1);color:#0f172a;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:space-between}.arrow-icon[data-v-b9568b5c]{width:20px;height:20px;animation:arrowMove-b9568b5c 1.6s ease-in-out infinite}.loader[data-v-b9568b5c]{width:18px;height:18px;border:2px solid rgba(15,23,42,.3);border-top-color:#0f172a;border-radius:50%;animation:spin-b9568b5c 1s linear infinite}.error-box[data-v-b9568b5c]{background:#f8717126;border:1px solid rgba(248,113,113,.4);color:#fca5a5;padding:10px 12px;border-radius:12px;font-size:13px;display:flex;align-items:center;gap:8px}.error-dot[data-v-b9568b5c]{width:6px;height:6px;border-radius:50%;background:#f87171}.fade-enter-active[data-v-b9568b5c],.fade-leave-active[data-v-b9568b5c]{transition:opacity .18s ease}.fade-enter-from[data-v-b9568b5c],.fade-leave-to[data-v-b9568b5c]{opacity:0}@keyframes scan-b9568b5c{0%{transform:translateY(-100%)}to{transform:translateY(100%)}}@keyframes spin-b9568b5c{to{transform:rotate(360deg)}}@keyframes arrowMove-b9568b5c{0%,to{transform:translate(0)}50%{transform:translate(6px)}}.detail-layout[data-v-0e1779ec]{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(0,1fr);gap:24px;align-items:start}.player-panel[data-v-0e1779ec]{display:flex;flex-direction:column;gap:16px;min-width:0}.course-hero[data-v-0e1779ec]{grid-column:1 / -1;padding:6px 2px 14px;border-radius:0;background:transparent;border:none;border-bottom:1px solid rgba(148,163,184,.12)}.course-hero-title[data-v-0e1779ec]{font-size:20px;font-weight:800;letter-spacing:.2px;color:#e2e8f0}.course-hero-summary[data-v-0e1779ec]{margin-top:8px;color:#e2e8f0c7;font-size:14px;line-height:1.7}.lesson-info[data-v-0e1779ec]{padding:10px 2px 14px;border-bottom:none}.lesson-info-top[data-v-0e1779ec]{display:flex;align-items:center;gap:10px;min-width:0}.lesson-chip[data-v-0e1779ec]{padding:4px 10px;border-radius:999px;background:#38bdf81f;border:1px solid rgba(56,189,248,.18);color:#e0f2fee0;font-size:12px;line-height:1;flex:0 0 auto}.lesson-info-title[data-v-0e1779ec]{font-size:18px;font-weight:800;letter-spacing:.15px;color:#e2e8f0;line-height:1.25;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lesson-info-desc[data-v-0e1779ec]{margin-top:10px;color:#e2e8f0b8;font-size:14px;line-height:1.75;white-space:pre-line}.lesson-info-desc.muted[data-v-0e1779ec]{color:#94a3b8b8}.lesson-resources[data-v-0e1779ec]{padding:16px 18px;border-radius:18px;background:#0f172a9e;border:1px solid rgba(148,163,184,.14)}.section-head[data-v-0e1779ec]{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.section-title[data-v-0e1779ec]{font-weight:800;color:#e2e8f0}.section-meta[data-v-0e1779ec]{font-size:12px;color:#94a3b8cc}.material-left[data-v-0e1779ec]{min-width:0}.video-shell[data-v-0e1779ec]{position:relative;aspect-ratio:16/9;background:#0f172a;border-radius:20px;overflow:hidden;border:1px solid rgba(148,163,184,.18)}.video-shell[data-v-0e1779ec]:fullscreen,.video-shell[data-v-0e1779ec]:-webkit-full-screen{border-radius:0;width:100%;height:100%}.video-shell:fullscreen .video-player[data-v-0e1779ec],.video-shell:-webkit-full-screen .video-player[data-v-0e1779ec]{width:100%;height:100%;aspect-ratio:auto;object-fit:contain;display:block}.video-shell:fullscreen .controls[data-v-0e1779ec],.video-shell:-webkit-full-screen .controls[data-v-0e1779ec]{position:absolute;left:0;right:0;bottom:0;z-index:5}.video-shell:fullscreen .center-control[data-v-0e1779ec],.video-shell:-webkit-full-screen .center-control[data-v-0e1779ec]{z-index:6}.video-player[data-v-0e1779ec]{width:100%;height:100%;display:block;object-fit:contain;background:#020617}.video-empty[data-v-0e1779ec]{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;color:#94a3b8b3}.center-control[data-v-0e1779ec]{position:absolute;top:0;right:0;bottom:0;left:0;margin:auto;width:64px;height:64px;border-radius:50%;background:#0f172aa6;border:1px solid rgba(148,163,184,.4);color:#f8fafc;display:grid;place-items:center;cursor:pointer;opacity:0;transition:opacity .2s ease}.center-control.visible[data-v-0e1779ec]{opacity:1}.center-control svg[data-v-0e1779ec]{width:28px;height:28px}.controls[data-v-0e1779ec]{display:flex;align-items:center;min-height:56px;gap:12px;padding:12px 16px;background:#020617d9;opacity:0;pointer-events:none;transition:opacity .2s ease;position:absolute;left:0;right:0;bottom:0}.controls.visible[data-v-0e1779ec]{opacity:1;pointer-events:auto}.control-btn[data-v-0e1779ec]{border:none;border-radius:10px;padding:6px 10px;background:#38bdf82e;color:#e2e8f0;cursor:pointer;line-height:1}.control-btn.icon[data-v-0e1779ec]{padding:0;width:40px;height:40px;border-radius:50%;display:grid;place-items:center}.control-btn svg[data-v-0e1779ec]{width:18px;height:18px}.timeline[data-v-0e1779ec]{position:relative;flex:1;display:flex;align-items:center;height:40px}.timeline input[data-v-0e1779ec]{width:100%;margin:0;align-self:center;height:4px;border-radius:999px;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:linear-gradient(to right,#38bdf8 0%,#38bdf8 var(--p),rgba(148,163,184,.28) var(--p),rgba(148,163,184,.28) 100%)}.timeline input[data-v-0e1779ec]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:8px;height:8px;border-radius:50%;background:#38bdf8;box-shadow:0 0 0 2px #020617e6}.timeline input[data-v-0e1779ec]::-moz-range-track{height:4px;border-radius:999px;background:linear-gradient(to right,#38bdf8 0%,#38bdf8 var(--p),rgba(148,163,184,.28) var(--p),rgba(148,163,184,.28) 100%)}.timeline input[data-v-0e1779ec]::-moz-range-thumb{width:8px;height:8px;border:none;border-radius:50%;background:#38bdf8;box-shadow:0 0 0 2px #020617e6}.timeline-tooltip[data-v-0e1779ec]{position:absolute;top:-28px;transform:translate(-50%);background:#0f172ae6;padding:4px 8px;border-radius:6px;font-size:12px;border:1px solid rgba(56,189,248,.35)}.time[data-v-0e1779ec]{font-size:12px;color:#94a3b8cc;min-width:96px;display:flex;align-items:center;line-height:1}.materials[data-v-0e1779ec]{display:grid;gap:10px}.material-item[data-v-0e1779ec]{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;border-radius:14px;background:#1e293b6b;border:1px solid rgba(148,163,184,.12)}.material-title[data-v-0e1779ec]{font-weight:600}.download[data-v-0e1779ec]{padding:8px 14px;border-radius:12px;background:#38bdf833;color:var(--accent);font-weight:600;font-size:13px}.playlist-panel[data-v-0e1779ec]{position:sticky;top:0;align-self:start;display:flex;flex-direction:column;gap:12px;background:#0f172a99;border-radius:20px;padding:16px;border:1px solid rgba(148,163,184,.15);overflow:hidden;height:auto}.playlist-header[data-v-0e1779ec]{display:flex;align-items:center;justify-content:space-between;font-size:14px;color:#94a3b8cc;padding-bottom:10px;border-bottom:1px solid rgba(148,163,184,.12)}.lesson-list[data-v-0e1779ec]{position:relative;flex:0 1 auto;min-height:0;display:grid;gap:12px;padding-top:12px;overflow:auto;scrollbar-width:none;-ms-overflow-style:none}.lesson-list[data-v-0e1779ec]::-webkit-scrollbar{width:0;height:0}.lesson-list[data-v-0e1779ec]:before,.lesson-list[data-v-0e1779ec]:after{content:"";position:absolute;left:0;right:0;height:22px;pointer-events:none;opacity:0;transition:opacity .18s ease;z-index:2}.lesson-list[data-v-0e1779ec]:before{top:0;background:linear-gradient(to bottom,#0f172af2,#0f172a00)}.lesson-list[data-v-0e1779ec]:after{bottom:0;background:linear-gradient(to top,#0f172af2,#0f172a00)}.lesson-list.has-top[data-v-0e1779ec]:before{opacity:1}.lesson-list.has-bottom[data-v-0e1779ec]:after{opacity:1}.lesson-item[data-v-0e1779ec]{border:none;padding:12px;border-radius:16px;text-align:left;background:#1e293b66;color:inherit;cursor:pointer;display:grid;gap:8px}.lesson-item.active[data-v-0e1779ec]{background:#38bdf826;border:1px solid rgba(56,189,248,.35)}.lesson-title[data-v-0e1779ec]{display:flex;flex-direction:column;gap:6px}.badge[data-v-0e1779ec]{font-size:12px;color:#94a3b8cc}.lesson-sub[data-v-0e1779ec]{display:flex;justify-content:space-between;font-size:12px;color:#94a3b8b3}.nav-sep[data-v-0e1779ec]{color:#94a3b899}.nav-current[data-v-0e1779ec]{color:#e2e8f0;font-weight:600}.state[data-v-0e1779ec]{padding:16px;border-radius:14px;background:#1e293b66;color:#94a3b8cc}@media (max-width: 1100px){.detail-layout[data-v-0e1779ec]{grid-template-columns:1fr}.playlist-panel[data-v-0e1779ec]{position:static;max-height:none;height:auto;overflow:visible}.course-hero[data-v-0e1779ec]{padding:14px;border-radius:18px}.course-hero-title[data-v-0e1779ec]{font-size:18px}.lesson-resources[data-v-0e1779ec]{padding:14px;border-radius:16px}.controls[data-v-0e1779ec]{padding:10px 12px}.time[data-v-0e1779ec]{display:none}.lesson-list[data-v-0e1779ec]:before,.lesson-list[data-v-0e1779ec]:after{display:none}}
