:root,[data-theme=dark]{--background:#10131a;--surface:#10131a;--surface-dim:#10131a;--surface-bright:#363940;--surface-container-lowest:#0b0e14;--surface-container-low:#191c22;--surface-container:#1d2026;--surface-container-high:#272a31;--surface-container-highest:#32353c;--surface-variant:#32353c;--primary:#c5c0ff;--primary-container:#a29bfe;--primary-fixed:#e3dfff;--on-primary:#2a1f7e;--on-primary-fixed:#140067;--on-primary-container:#362d8a;--secondary:#a5e7ff;--secondary-container:#00d2ff;--secondary-fixed:#b6ebff;--secondary-fixed-dim:#47d6ff;--on-secondary:#003543;--on-secondary-container:#00566a;--tertiary:#c6bfff;--tertiary-container:#a49aff;--on-tertiary:#2900a0;--on-surface:#e1e2eb;--on-surface-variant:#c8c4d3;--on-background:#e1e2eb;--outline:#928f9d;--outline-variant:#474552;--error:#ffb4ab;--error-container:#93000a;--on-error:#690005;--font-display:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-body:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"JetBrains Mono", monospace;--radius-sm:6px;--radius:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--ink:#e1e2eb;--ink-soft:#c8c4d3;--paper:#10131a;--paper-dim:#191c22;--steel:#a5e7ff;--teal:#47d6ff;--amber:#c5c0ff;--rust:#ffb4ab;--line:#47455280;--line-soft:#e1e2eb1a}[data-theme=light]{--background:#f4f6fb;--surface:#fff;--surface-dim:#ebf0f7;--surface-bright:#fff;--surface-container-lowest:#fff;--surface-container-low:#f8faff;--surface-container:#fff;--surface-container-high:#edf2fa;--surface-container-highest:#e2e8f4;--surface-variant:#e2e8f4;--primary:#4f46e5;--primary-container:#e0e7ff;--primary-fixed:#312e81;--on-primary:#fff;--on-primary-fixed:#fff;--on-primary-container:#3730a3;--secondary:#0284c7;--secondary-container:#e0f2fe;--secondary-fixed:#0369a1;--secondary-fixed-dim:#0284c7;--on-secondary:#fff;--on-secondary-container:#075985;--tertiary:#7c3aed;--tertiary-container:#ede9fe;--on-tertiary:#fff;--on-surface:#0f172a;--on-surface-variant:#475569;--on-background:#0f172a;--outline:#cbd5e1;--outline-variant:#e2e8f0;--error:#dc2626;--error-container:#fee2e2;--on-error:#fff;--ink:#0f172a;--ink-soft:#475569;--paper:#fff;--paper-dim:#f8fafc;--steel:#0284c7;--teal:#0d9488;--amber:#d97706;--rust:#dc2626;--line:#e2e8f0;--line-soft:#0f172a14}[data-theme=light] .glass-card{background:#ffffffeb;border:1px solid #e2e8f0;box-shadow:0 4px 20px #0000000d}[data-theme=light] .cosmic-ambient-glows{opacity:.18}[data-theme=light] .cyber-btn--primary{color:#fff;background:linear-gradient(135deg,#4f46e5 0%,#6366f1 100%);box-shadow:0 4px 16px #4f46e540}[data-theme=light] .cyber-btn--secondary{color:#0284c7;background:#fff;border-color:#cbd5e1}[data-theme=light] .gradient-text{background:linear-gradient(135deg,#0f172a 0%,#4f46e5 60%,#0284c7 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}*{box-sizing:border-box}html,body{background-color:var(--background);color:var(--on-surface);font-family:var(--font-body);-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;width:100%;max-width:100vw;margin:0;padding:0;overflow-x:hidden}#root{background-color:var(--background);flex-direction:column;width:100%;min-height:100vh;display:flex;position:relative;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);letter-spacing:-.02em;color:var(--on-surface);margin:0;font-weight:700}p{color:var(--on-surface-variant);margin:0;line-height:1.65}a{color:inherit;text-decoration:none}button{font-family:var(--font-body);cursor:pointer;border:none;outline:none}.mono{font-family:var(--font-mono)}.container{box-sizing:border-box;width:100%;max-width:1200px;margin:0 auto;padding:0 16px}@media (width>=768px){.container{padding:0 24px}}.material-symbols-outlined{font-variation-settings:"FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;vertical-align:middle}.cosmic-ambient-glows{pointer-events:none;z-index:0;opacity:.25;position:fixed;inset:0;overflow:hidden}.glow-top-right{filter:blur(80px);background:radial-gradient(circle,#c5c0ff 0%,#c5c0ff00 70%);width:650px;height:650px;position:absolute;top:-150px;right:-150px}.glow-bottom-left{filter:blur(90px);background:radial-gradient(circle,#00d2ff 0%,#00d2ff00 70%);width:700px;height:700px;position:absolute;bottom:-200px;left:-200px}.gradient-text{background:linear-gradient(135deg,#fff 0%,#c5c0ff 50%,#a5e7ff 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.cyber-btn{border-radius:var(--radius);box-sizing:border-box;cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:11px 22px;font-size:14px;font-weight:700;line-height:1.2;text-decoration:none;transition:all .25s cubic-bezier(.16,1,.3,1);display:inline-flex}.cyber-btn--primary{color:#140067;background:linear-gradient(135deg,#c5c0ff 0%,#a29bfe 100%);border:1px solid #0000;box-shadow:0 4px 20px #c5c0ff59}.cyber-pill{background:var(--surface-container-high);border-radius:var(--radius-full);font-family:var(--font-mono);letter-spacing:.08em;color:var(--primary);text-transform:uppercase;border:1px solid #47455266;align-items:center;gap:8px;padding:6px 14px;font-size:11.5px;display:inline-flex;box-shadow:0 2px 10px #0000004d}.pulsing-dot{background:var(--primary);border-radius:50%;width:7px;height:7px;animation:2s ease-in-out infinite pulseDot}@keyframes pulseDot{0%,to{opacity:1;box-shadow:0 0 8px var(--primary);transform:scale(1)}50%{opacity:.5;box-shadow:0 0 16px var(--primary);transform:scale(1.4)}}.command-dots{align-items:center;gap:6px;display:flex}.command-dot{border-radius:50%;width:10px;height:10px}.command-dot--red{background:#ffb4ab99}.command-dot--purple{background:#c5c0ff99}.command-dot--cyan{background:#a5e7ff99}.glass-card{background:var(--surface-container);border-radius:var(--radius-lg);border:1px solid #47455259;transition:all .25s cubic-bezier(.16,1,.3,1);position:relative;overflow:hidden;box-shadow:0 8px 32px #0000004d}.glass-card:hover{border-color:#c5c0ff66;transform:translateY(-2px);box-shadow:0 12px 40px #00000073}.module-badge{font-family:var(--font-mono);letter-spacing:.05em;border-radius:var(--radius-sm);background:var(--surface-container-high);color:var(--secondary);border:1px solid #47455266;padding:4px 10px;font-size:11px;font-weight:600}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--surface-container-lowest)}::-webkit-scrollbar-thumb{background:var(--surface-container-highest);border-radius:999px}::-webkit-scrollbar-thumb:hover{background:var(--outline)}::selection{color:#fff;background:#c5c0ff4d}.navbar__logout-btn{color:#f87171;cursor:pointer;background:#ef44441a;border:1px solid #ef444440;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;padding:0;transition:all .2s cubic-bezier(.16,1,.3,1);display:inline-flex}.navbar__logout-btn:hover{color:#fff;background:#ef444438;border-color:#ef444480;transform:translateY(-1px)}.navbar__logout-btn .logout-icon{font-size:19px;line-height:1}.enterprise-navbar{z-index:90;-webkit-backdrop-filter:blur(24px);background:#0d1018eb;border-bottom:1px solid #ffffff14;transition:all .25s cubic-bezier(.16,1,.3,1);position:sticky;top:0}[data-theme=light] .enterprise-navbar{background:#fffffff2;border-bottom:1px solid #e2e8f0;box-shadow:0 4px 20px #0000000a}.navbar__inner{justify-content:space-between;align-items:center;gap:20px;height:68px;display:flex;position:relative}.navbar__brand-wrapper{flex-shrink:0;align-items:center;gap:16px;display:flex}.navbar__brand{align-items:center;text-decoration:none;transition:transform .2s;display:flex}.navbar__brand:hover{transform:translateY(-1px)}.enterprise-nav-links{align-items:center;gap:8px;display:flex}.nav-dropdown-wrapper{position:relative}.enterprise-nav-btn{color:var(--on-surface-variant);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:10px;align-items:center;gap:6px;padding:8px 14px;font-size:13.5px;font-weight:600;text-decoration:none;transition:all .2s cubic-bezier(.16,1,.3,1);display:inline-flex}.enterprise-nav-btn:hover,.enterprise-nav-btn.active{color:var(--on-surface);background:#ffffff0f;border-color:#ffffff1a}[data-theme=light] .enterprise-nav-btn:hover,[data-theme=light] .enterprise-nav-btn.active{color:#0f172a;background:#f1f5f9;border-color:#cbd5e1}.enterprise-nav-btn--creator{background:#f59e0b14;border-color:#f59e0b59;color:#fcd34d!important}.enterprise-nav-btn--creator:hover{border-color:#f59e0b;background:#f59e0b2e!important}.nav-caret{font-size:18px;transition:transform .2s}.mega-menu-panel{-webkit-backdrop-filter:blur(30px);z-index:100;background:#0f121cf5;border:1px solid #ffffff1f;border-radius:18px;width:920px;padding:24px;position:absolute;top:calc(100% + 10px);left:-120px;box-shadow:0 24px 60px #0009,0 0 30px #6366f126}[data-theme=light] .mega-menu-panel{background:#fffffffa;border-color:#cbd5e1;box-shadow:0 20px 50px #0000001f}.mega-menu-grid{grid-template-columns:1.1fr 1.1fr 1fr 1.1fr;gap:20px;display:grid}.mega-menu-col{flex-direction:column;gap:12px;display:flex}.mega-col-header{border-bottom:1px solid #ffffff14;align-items:center;gap:10px;padding-bottom:8px;display:flex}[data-theme=light] .mega-col-header{border-bottom-color:#e2e8f0}.col-icon{font-size:22px}.col-title{color:var(--on-surface);font-size:13.5px;font-weight:700;line-height:1.2}.mega-links-list{flex-direction:column;gap:4px;display:flex}.mega-link-item{border-radius:8px;flex-direction:column;padding:6px 10px;text-decoration:none;transition:all .2s;display:flex}.mega-link-item:hover{background:#6366f11f;transform:translate(3px)}[data-theme=light] .mega-link-item:hover{background:#f1f5f9}.mega-link-name{color:var(--on-surface);font-size:12.5px;font-weight:600}.mega-view-all-link{color:#818cf8;margin-top:4px;padding:6px 10px;font-size:11.5px;font-weight:700;text-decoration:none;transition:all .2s;display:inline-block}.mega-view-all-link:hover{color:#c7d2fe;text-decoration:underline}.mega-menu-spotlight{background:linear-gradient(145deg,#6366f126 0%,#38bdf814 100%);border:1px solid #6366f140;border-radius:14px;flex-direction:column;justify-content:space-between;padding:16px;display:flex}.spotlight-pill{color:#c7d2fe;background:#6366f140;border-radius:6px;align-items:center;gap:6px;width:fit-content;margin-bottom:8px;padding:3px 8px;font-size:10px;font-weight:700;display:inline-flex}.spotlight-title{color:#fff;margin-bottom:6px;font-size:13px;font-weight:700;line-height:1.35}[data-theme=light] .spotlight-title{color:#0f172a}.spotlight-desc{color:var(--on-surface-variant);margin-bottom:12px;font-size:11.5px;line-height:1.4}.spotlight-btn{text-align:center;padding:8px 12px!important;font-size:11.5px!important}.dropdown-panel{-webkit-backdrop-filter:blur(24px);z-index:100;background:#0f121cf5;border:1px solid #ffffff1f;border-radius:14px;min-width:320px;padding:12px;position:absolute;top:calc(100% + 10px);left:0;box-shadow:0 20px 48px #00000080,0 0 20px #6366f11f}[data-theme=light] .dropdown-panel{background:#fffffffa;border-color:#cbd5e1;box-shadow:0 16px 36px #0000001a}.dropdown-menu-list{flex-direction:column;gap:6px;display:flex}.dropdown-item{border-radius:10px;align-items:center;gap:12px;padding:10px 12px;text-decoration:none;transition:all .2s;display:flex}.dropdown-item:hover{background:#6366f11f;transform:translate(2px)}[data-theme=light] .dropdown-item:hover{background:#f1f5f9}.drop-icon-box{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.drop-icon-box .material-symbols-outlined{font-size:20px}.drop-item-text{flex-direction:column;gap:2px;display:flex}.drop-item-text strong{color:var(--on-surface);font-size:13px}.drop-item-text span{color:var(--on-surface-variant);font-size:11px}.enterprise-nav-actions{flex-shrink:0;align-items:center;gap:10px;display:flex}.navbar-stress-pill{cursor:pointer;background:#ffffff0a;border:1px solid #ffffff1a;border-radius:9999px;align-items:center;gap:6px;padding:6px 12px;transition:all .2s;display:inline-flex}.navbar-stress-pill:hover{border-color:#818cf8;box-shadow:0 0 14px #6366f140}.octi-nav-trigger-pill{color:#d8b4fe;cursor:pointer;background:#a855f71f;border:1px solid #a855f759;border-radius:9999px;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:700;transition:all .2s;display:inline-flex}.octi-nav-trigger-pill:hover{background:#a855f738;border-color:#a855f7;transform:translateY(-1px);box-shadow:0 0 14px #a855f759}[data-theme=light] .octi-nav-trigger-pill{color:#6b21a8;background:#9333ea1a;border:1.5px solid #9333ea66;font-weight:800}[data-theme=light] .octi-nav-trigger-pill:hover{color:#581c87;background:#9333ea2e;border-color:#7e22ce;box-shadow:0 0 14px #9333ea40}.octi-emoji{font-size:15px;line-height:1}.theme-toggle-btn{color:#c7d2fe;cursor:pointer;background:#ffffff0f;border:1px solid #ffffff1f;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;transition:all .25s cubic-bezier(.16,1,.3,1);display:flex}.theme-toggle-btn:hover{color:#fff;border-color:#818cf8;transform:scale(1.08);box-shadow:0 0 14px #6366f159}[data-theme=light] .theme-toggle-btn{color:#475569;background:#f1f5f9;border-color:#cbd5e1}[data-theme=light] .theme-toggle-btn:hover{color:#0f172a;background:#e2e8f0}.half-moon-icon{width:18px;height:18px;display:block}.navbar-upgrade-pro-btn{color:#fbbf24;cursor:pointer;box-sizing:border-box;white-space:nowrap;background:linear-gradient(135deg,#f59e0b26 0%,#d9770640 100%);border:1px solid #f59e0b66;border-radius:10px;align-items:center;gap:6px;height:38px;padding:0 14px;font-size:12.5px;font-weight:700;transition:all .2s cubic-bezier(.16,1,.3,1);display:inline-flex}.navbar-upgrade-pro-btn:hover{color:#fff;background:linear-gradient(135deg,#f59e0b40 0%,#d9770666 100%);border-color:#f59e0b;transform:translateY(-1px);box-shadow:0 0 14px #f59e0b59}[data-theme=light] .navbar-upgrade-pro-btn{color:#b45309;background:#fffbeb;border-color:#fde68a}[data-theme=light] .navbar-upgrade-pro-btn:hover{color:#78350f;background:#fef3c7;border-color:#f59e0b}.navbar-pro-gem-badge{font-size:13px;line-height:1}.navbar__auth-btns{flex-shrink:0;align-items:center;gap:10px;display:inline-flex}.navbar__auth-btn{box-sizing:border-box;white-space:nowrap;letter-spacing:-.01em;cursor:pointer;border-radius:10px;justify-content:center;align-items:center;height:38px;padding:0 16px;font-size:13px;font-weight:600;line-height:1;text-decoration:none;transition:all .2s cubic-bezier(.16,1,.3,1);display:inline-flex}.navbar__auth-btn--secondary{color:var(--on-surface);background:#ffffff0d;border:1px solid #ffffff1f}.navbar__auth-btn--secondary:hover{color:#fff;background:#ffffff1a;border-color:#ffffff40;transform:translateY(-1px)}.navbar__auth-btn--primary{color:#140067;background:linear-gradient(135deg,#c5c0ff 0%,#a29bfe 100%);border:1px solid #0000;font-weight:700;box-shadow:0 4px 14px #a29bfe4d}.navbar__auth-btn--primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #a29bfe80}[data-theme=light] .navbar__auth-btn--secondary{color:#0f172a;background:#f1f5f9;border-color:#cbd5e1}[data-theme=light] .navbar__auth-btn--secondary:hover{color:#4f46e5;background:#e2e8f0;border-color:#94a3b8}[data-theme=light] .navbar__auth-btn--primary{color:#fff;background:linear-gradient(135deg,#4f46e5 0%,#6366f1 100%);border:1px solid #0000;box-shadow:0 4px 14px #4f46e540}[data-theme=light] .navbar__auth-btn--primary:hover{box-shadow:0 6px 20px #4f46e566}.mobile-auth-btns{gap:10px;width:100%;display:flex}.user-profile-pill{cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1f;border-radius:9999px;align-items:center;gap:8px;padding:4px 10px 4px 4px;transition:all .2s;display:inline-flex}.user-profile-pill:hover{border-color:#818cf8;box-shadow:0 0 12px #6366f140}.user-pill-name{color:var(--on-surface);font-size:12.5px;font-weight:600}.navbar__avatar{color:#fff;background:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:700;display:flex}.user-dropdown-panel{z-index:100;background:#0f121cfa;border:1px solid #ffffff24;border-radius:14px;min-width:240px;padding:14px;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 20px 48px #0009}.user-dropdown-header{border-bottom:1px solid #ffffff14;flex-direction:column;gap:2px;margin-bottom:8px;padding-bottom:10px;display:flex}.user-dropdown-links{flex-direction:column;gap:4px;display:flex}.user-drop-link{color:var(--on-surface);text-align:left;cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;width:100%;padding:8px 10px;font-size:13px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.user-drop-link:hover{background:#ffffff0f}.user-drop-link.text-error{color:#f87171}.user-drop-link.text-error:hover{background:#ef44441f}.mobile-hamburger-btn{color:var(--on-surface);cursor:pointer;background:0 0;border:none;padding:6px;font-size:24px;display:none}.mobile-enterprise-drawer{z-index:85;background:#0d1018fa;border-bottom:1px solid #ffffff1f;max-height:calc(100vh - 68px);padding:16px;position:absolute;top:100%;left:0;right:0;overflow-y:auto}.mobile-drawer-body{flex-direction:column;gap:10px;display:flex}.mobile-accordion-item{background:#ffffff08;border:1px solid #ffffff0f;border-radius:10px;overflow:hidden}.mobile-accordion-header{width:100%;color:var(--on-surface);cursor:pointer;background:0 0;border:none;justify-content:space-between;align-items:center;padding:12px 14px;font-size:14px;display:flex}.mobile-accordion-content{border-top:1px solid #ffffff0f;flex-direction:column;gap:6px;padding:8px 14px 14px;display:flex}.mobile-sub-link{color:var(--on-surface-variant);padding:6px 0;font-size:13px;text-decoration:none}.mobile-sub-link:hover{color:#818cf8}.mobile-direct-link{color:var(--on-surface);background:#ffffff08;border-radius:10px;align-items:center;gap:10px;padding:12px 14px;font-size:14px;text-decoration:none;display:flex}@media (width<=1024px){.enterprise-nav-links{display:none}.mobile-hamburger-btn{display:block}.navbar-stress-pill{display:none}}@media (width<=640px){.navbar__inner{gap:8px;height:56px;padding:0 12px}.octi-nav-trigger-pill{display:none}.navbar__brand-wrapper{gap:8px}.navbar-logo-text{font-size:17px}.enterprise-nav-actions{gap:6px}.theme-toggle-btn{width:34px;height:34px}.mobile-hamburger-btn{padding:4px;font-size:22px}}@media (width<=400px){.navbar__inner{gap:4px;padding:0 8px}.navbar-logo-text{font-size:15px}.enterprise-nav-actions{gap:4px}.theme-toggle-btn{width:32px;height:32px}}.stress-floating-trigger{z-index:80;position:fixed;bottom:24px;left:24px}@media (width<=768px){.stress-floating-trigger{display:none}}.stress-trigger-btn{-webkit-backdrop-filter:blur(14px);color:var(--on-surface);cursor:pointer;background:#10131af0;border:1px solid #47455273;border-radius:9999px;align-items:center;gap:10px;padding:8px 16px;transition:all .25s cubic-bezier(.16,1,.3,1);display:flex;position:relative;box-shadow:0 8px 28px #0000008c}.stress-trigger-btn:hover{transform:translateY(-2px)scale(1.02);box-shadow:0 12px 36px #000000b3}.trigger-pulse-ring{border:1px dashed var(--primary);opacity:.4;pointer-events:none;border-radius:9999px;animation:12s linear infinite rotateSparkle;position:absolute;inset:-3px}.trigger-icon{color:var(--primary);font-size:20px;animation:2s infinite 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.2s;display:flex}.discover-add-btn:hover{background:var(--primary);color:#140067;border-color:var(--primary)}.discover-add-btn.added{color:#fff;background:#0f766e;border-color:#0f766e}.discover-trending-list{flex-direction:column;gap:14px;display:flex}.discover-trending-item{background:var(--surface-container);border:1px solid #47455259;border-radius:14px;gap:16px;padding:14px;transition:transform .2s,border-color .2s;display:flex}.discover-trending-item:hover{border-color:var(--primary);transform:translateY(-2px)}.discover-trending-img{object-fit:cover;border-radius:10px;flex-shrink:0;width:90px;height:90px}.discover-trending-content{flex-direction:column;flex:1;justify-content:center;min-width:0;display:flex}.discover-trending-header{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.discover-trending-title{color:#fff;white-space:nowrap;text-overflow:ellipsis;font-size:15.5px;font-weight:600;overflow:hidden}.discover-trending-badge{color:var(--primary);background:#c5c0ff26;border-radius:4px;align-items:center;padding:2px 6px;display:flex}.discover-trending-author{color:var(--on-surface-variant);margin-top:4px;font-size:13px}.discover-trending-meta{color:var(--on-surface-variant);align-items:center;gap:8px;margin-top:8px;font-size:12px;display:flex}.meta-rating{color:var(--on-surface);align-items:center;gap:3px;font-weight:600;display:flex}.star-fill{color:#ffb95f;font-variation-settings:"FILL" 1;font-size:14px}.meta-dot{background:var(--outline);border-radius:50%;width:3px;height:3px}.meta-category{background:var(--surface-container-high);color:var(--secondary);font-family:var(--font-mono);border-radius:4px;padding:1px 6px;font-size:11px}.course-detail-root{background-color:var(--background);min-height:100vh;color:var(--on-surface);padding-bottom:96px;position:relative;overflow-x:hidden}.course-detail-header{z-index:40;-webkit-backdrop-filter:blur(16px);background:#10131ae6;border-bottom:1px solid #47455259;padding:12px 0;position:sticky;top:0}.course-detail-header__inner{justify-content:space-between;align-items:center;gap:16px;display:flex}.course-back-btn{color:var(--on-surface);cursor:pointer;background:0 0;border:1px solid #47455266;border-radius:8px;align-items:center;gap:6px;padding:6px 14px;font-size:13.5px;transition:all .2s;display:flex}.course-back-btn:hover{background:var(--surface-container);border-color:var(--primary)}.course-header-title{font-family:var(--font-display);white-space:nowrap;text-overflow:ellipsis;max-width:600px;font-size:17px;font-weight:700;overflow:hidden}.course-header-avatar{background:var(--primary);color:#140067;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;font-weight:700;display:flex}.course-video-wrapper{background:#000;border:1px solid #47455266;border-radius:16px;margin-top:24px;position:relative;overflow:hidden;box-shadow:0 16px 40px #00000080}.active-video-container{background:#000;flex-direction:column;display:flex}.active-html5-video{background:#000;width:100%;max-height:480px;display:block}.video-meta-bar{background:var(--surface-container-lowest);border-top:1px solid #47455259;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:12px 18px;display:flex}.video-title-now{align-items:center;gap:8px;display:flex}.video-minimize-btn{background:var(--surface-container-high);color:var(--on-surface);cursor:pointer;border:1px solid #47455266;border-radius:6px;padding:6px 12px;font-size:12px}.video-minimize-btn:hover{background:var(--error);color:#fff;border-color:var(--error)}.trailer-preview-box{justify-content:center;align-items:center;height:380px;display:flex;position:relative}.course-video-thumb{object-fit:cover;width:100%;height:100%}.course-video-overlay{background:#10131a99;flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex;position:absolute;inset:0}.course-play-btn{background:var(--primary);color:#140067;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:72px;height:72px;transition:transform .2s cubic-bezier(.16,1,.3,1),box-shadow .2s;display:flex;box-shadow:0 0 32px #c5c0ff99}.course-play-btn:hover{transform:scale(1.1);box-shadow:0 0 48px #c5c0ffe6}.play-icon{font-size:42px}.play-hint-text{font-size:13px;font-family:var(--font-mono);color:#fff;text-shadow:0 2px 4px #000c}.course-video-badge{color:var(--primary);background:#10131ad9;border:1px solid #c5c0ff4d;border-radius:6px;padding:4px 10px;font-size:11px;position:absolute;bottom:14px;right:14px}.course-content-grid{grid-template-columns:8fr 4fr;align-items:start;gap:32px;margin-top:32px;display:grid}@media (width<=900px){.course-content-grid{grid-template-columns:1fr}}.course-left-col{flex-direction:column;gap:28px;display:flex}.course-info-section,.course-curriculum-section,.course-enroll-card{padding:32px 28px}.course-pills-row{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.course-pill{border-radius:6px;padding:4px 10px;font-size:11px}.course-pill--primary{color:var(--primary);background:#c5c0ff26;border:1px solid #c5c0ff59}.course-pill--secondary{color:var(--secondary);background:#47d6ff26;border:1px solid #47d6ff59}.course-pill--enrolled{color:#86efac;background:#22c55e26;border:1px solid #22c55e66}.course-pill--limited{color:#fde047;background:#fde04726;border:1px solid #fde04759}.course-main-title{margin-bottom:12px;font-size:clamp(26px,3.8vw,36px)}.course-desc-text{color:var(--on-surface-variant);margin-bottom:16px;font-size:15.5px;line-height:1.6}.course-instructor-row{color:var(--on-surface);align-items:center;gap:8px;margin-bottom:16px;font-size:14px;display:flex}.inst-icon{color:var(--primary)}.course-stats-row{border-top:1px solid #4745524d;border-bottom:1px solid #4745524d;flex-wrap:wrap;gap:20px;margin-bottom:24px;padding:12px 0;display:flex}.course-stat-item{align-items:center;gap:6px;font-size:13.5px;display:flex}.star-icon{color:#fde047}.group-icon{color:var(--secondary)}.course-outcomes-box h3{margin-bottom:12px;font-size:16px}.outcomes-list{flex-direction:column;gap:10px;list-style:none;display:flex}.outcomes-list li{color:var(--on-surface);align-items:flex-start;gap:8px;font-size:14px;display:flex}.check-icon{color:#22c55e;margin-top:2px;font-size:18px}.curriculum-title{color:#fff;font-size:20px}.curriculum-sub{color:var(--on-surface-variant);margin-top:4px}.curriculum-modules-stack{flex-direction:column;gap:16px;margin-top:20px;display:flex}.module-accordion-card{background:var(--surface-container-low);border:1px solid #47455259;border-radius:12px;transition:all .2s;overflow:hidden}.module-accordion-card.unlocked{border-color:#c5c0ff4d}.module-header-bar{background:var(--surface-container);border-bottom:1px solid #47455240;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;display:flex}.module-title-group{align-items:center;gap:12px;display:flex}.mod-status-icon{color:var(--primary);font-size:22px}.module-accordion-card.locked .mod-status-icon{color:var(--outline)}.mod-title-text{color:#fff;font-size:15.5px}.preview-badge{color:#86efac;background:#22c55e26;border:1px solid #22c55e59;border-radius:4px;padding:3px 8px;font-size:10.5px}.unlocked-badge{color:var(--primary);background:#c5c0ff26;border:1px solid #c5c0ff59;border-radius:4px;padding:3px 8px;font-size:10.5px}.unlock-pro-btn{background:var(--surface-container-high);border:1px solid var(--secondary);color:var(--secondary);cursor:pointer;border-radius:6px;padding:4px 10px;font-size:11px;transition:all .2s}.unlock-pro-btn:hover{background:var(--secondary);color:#001f28}.lessons-list{flex-direction:column;display:flex}.lesson-row{border-bottom:1px solid #47455233;justify-content:space-between;align-items:center;padding:12px 20px;transition:all .2s;display:flex}.lesson-row.playable{cursor:pointer}.lesson-row.playable:hover{background:var(--surface-container-high)}.lesson-left{align-items:center;gap:10px;display:flex}.lesson-play-icon{color:var(--primary);font-size:18px}.lesson-row.disabled .lesson-play-icon{color:var(--outline)}.lesson-name{font-size:13.5px}.play-action-tag{color:var(--secondary);margin-left:8px}.course-enroll-card{flex-direction:column;gap:20px;display:flex;position:sticky;top:96px}.pricing-box{align-items:baseline;gap:10px;margin-top:8px;display:flex}.current-price{color:#fff;font-size:32px;font-weight:800}.original-price{color:var(--on-surface-variant);font-size:18px;text-decoration:line-through}.discount-tag{color:#86efac;background:#22c55e26;border:1px solid #22c55e59;border-radius:4px;padding:2px 6px;font-size:11px}.enroll-features-list{flex-direction:column;gap:12px;font-size:13.5px;display:flex}.feat-line{color:var(--on-surface);align-items:center;gap:8px;display:flex}.feat-line span.material-symbols-outlined{color:var(--primary);font-size:18px}.w-full{width:100%}.trust-seals-box{text-align:center;padding-top:8px}.modal-backdrop{-webkit-backdrop-filter:blur(8px);z-index:100;background:#000000bf;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.checkout-drawer,.celebration-modal{width:100%;max-width:480px;padding:32px 28px;animation:.3s cubic-bezier(.16,1,.3,1) slideUp}.drawer-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.close-btn{color:var(--on-surface-variant);cursor:pointer;background:0 0;border:none;font-size:18px}.order-summary-box{background:var(--surface-container-lowest);border:1px solid #47455266;border-radius:10px;flex-direction:column;gap:10px;margin-bottom:20px;padding:16px;display:flex}.order-course-title{color:#fff;font-size:15px;font-weight:600}.order-total-row{border-top:1px solid #4745524d;justify-content:space-between;align-items:center;padding-top:10px;display:flex}.celebration-modal{text-align:center;flex-direction:column;align-items:center;gap:16px;display:flex}.success-icon-wrap{color:#22c55e;background:#22c55e26;border:1px solid #22c55e;border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;display:flex}.success-icon-wrap span{font-size:40px}.receipt-box{background:var(--surface-container-lowest);text-align:left;border:1px solid #47455266;border-radius:8px;width:100%;padding:12px}