:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#07090f;--bg-soft:#0d111a;--panel:#101521c7;--panel-strong:#161d2df5;--panel-muted:#ffffff0b;--border:#ffffff1a;--border-strong:#ffffff2e;--text:#f7f8fb;--muted:#a9b0c3;--subtle:#727b91;--accent:#7dd3fc;--accent-strong:#38bdf8;--lime:#bef264;--green:#34d399;--amber:#fbbf24;--red:#fb7185;--shadow:0 24px 80px #00000061;--radius:8px}*{box-sizing:border-box}html{background:var(--bg);min-height:100%}body{min-height:100vh;color:var(--text);background:radial-gradient(circle at 20% 10%,#7dd3fc24,#0000 28%),linear-gradient(135deg,#07090f 0%,#0d111a 48%,#111827 100%);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.auth-shell{grid-template-columns:minmax(0,1.1fr) minmax(360px,.72fr);min-height:100vh;display:grid}.auth-hero{flex-direction:column;justify-content:space-between;min-height:100%;padding:48px;display:flex;position:relative;overflow:hidden}.auth-hero:before{content:"";pointer-events:none;border:1px solid #ffffff14;border-radius:28px;position:absolute;inset:44px}.brand-mark{letter-spacing:0;align-items:center;gap:12px;font-weight:800;display:inline-flex}.brand-icon{background:linear-gradient(135deg, var(--accent), var(--lime));color:#061017;border-radius:8px;justify-content:center;align-items:center;width:38px;height:38px;display:inline-flex}.auth-copy{z-index:1;max-width:760px;position:relative}.eyebrow{color:var(--accent);letter-spacing:.14em;text-transform:uppercase;font-size:.78rem;font-weight:800}.auth-copy h1{max-width:760px;margin:24px 0;font-size:clamp(2.8rem,6vw,6.5rem);line-height:.94}.auth-copy p,.muted-copy{color:var(--muted);font-size:1rem;line-height:1.7}.auth-metrics{z-index:1;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;max-width:740px;display:grid;position:relative}.metric-pill,.stat-card,.panel,.lesson-shell,.auth-card{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.metric-pill{padding:18px}.metric-pill strong{font-size:1.35rem;display:block}.metric-pill span{color:var(--subtle);margin-top:6px;font-size:.82rem;display:block}.login-panel{border-left:1px solid var(--border);justify-content:center;align-items:center;padding:32px;display:flex}.auth-card{width:100%;max-width:440px;padding:32px}.auth-card h2{margin:0 0 8px;font-size:1.7rem}.auth-card p{color:var(--muted);margin:0 0 28px;line-height:1.6}.form-stack{gap:16px;display:grid}.field{gap:8px;display:grid}.field label{color:#dce3f4;font-size:.86rem;font-weight:700}.input,.select{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);background:#ffffff0e;outline:none;width:100%;padding:13px 14px;transition:border-color .16s,background .16s,box-shadow .16s}.select option{color:var(--text);background:#101521}.input:focus,.select:focus{background:#ffffff14;border-color:#7dd3fcad;box-shadow:0 0 0 4px #7dd3fc14}.button{border-radius:var(--radius);border:0;justify-content:center;align-items:center;gap:9px;min-height:44px;padding:12px 16px;font-weight:800;transition:transform .16s,opacity .16s,background .16s;display:inline-flex}.button:hover{transform:translateY(-1px)}.button:disabled{cursor:not-allowed;opacity:.6;transform:none}.button-primary{background:linear-gradient(135deg, var(--accent), var(--lime));color:#071018}.button-secondary{border:1px solid var(--border);color:var(--text);background:#ffffff14}.button-danger{color:#fecdd3;background:#fb718521;border:1px solid #fb718559}.spin{animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.alert{border:1px solid var(--border);border-radius:var(--radius);color:var(--muted);padding:12px 14px;line-height:1.5}.alert-error{color:#fecdd3;background:#fb718517;border-color:#fb71853d}.alert-success{color:#bbf7d0;background:#34d39917;border-color:#34d3993d}.app-shell{grid-template-columns:280px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--border);background:#07090feb;flex-direction:column;gap:28px;height:100vh;padding:28px 22px;display:flex;position:sticky;top:0}.nav-list{gap:8px;display:grid}.nav-item{border-radius:var(--radius);color:var(--muted);align-items:center;gap:10px;padding:12px;transition:background .16s,color .16s;display:flex}.nav-item:hover,.nav-item-active{color:var(--text);background:#ffffff12}.sidebar-footer{margin-top:auto}.main{padding:34px}.topbar{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:26px;display:flex}.topbar h1{margin:6px 0 0;font-size:clamp(1.8rem,3vw,2.7rem)}.topbar p{color:var(--muted);margin:8px 0 0}.stats-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;display:grid}.stat-card{min-height:132px;padding:18px}.stat-card span{color:var(--subtle);font-size:.82rem;font-weight:700;display:block}.stat-card strong{margin-top:14px;font-size:2rem;display:block}.content-grid{grid-template-columns:minmax(0,.9fr) minmax(360px,1.1fr);gap:18px;display:grid}.admin-dashboard-grid,.platform-below{margin-top:18px}.panel{padding:22px}.panel h2{margin:0 0 8px}.panel-header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px;display:flex}.table-wrap{overflow-x:auto}.data-table{border-collapse:collapse;width:100%;min-width:980px}.data-table th,.data-table td{border-bottom:1px solid var(--border);text-align:left;vertical-align:top;padding:13px 10px}.data-table th{color:var(--subtle);letter-spacing:.08em;text-transform:uppercase;font-size:.78rem}.data-table td{color:#e9edf8;font-size:.9rem}.table-actions{flex-wrap:wrap;gap:8px;min-width:260px;display:flex}.small-button{min-height:34px;padding:8px 10px}.status-badge{border:1px solid var(--border);border-radius:999px;padding:6px 10px;font-size:.78rem;font-weight:800;display:inline-flex}.status-active{color:#bbf7d0;background:#34d3991c;border-color:#34d39947}.status-trial{color:#bae6fd;background:#7dd3fc1c;border-color:#7dd3fc47}.status-expired,.status-blocked{color:#fecdd3;background:#fb71851c;border-color:#fb718547}.platform-shell{min-height:100vh;padding:28px}.platform-nav{justify-content:space-between;align-items:center;max-width:1180px;margin:0 auto 28px;display:flex}.lesson-shell{max-width:1180px;margin:0 auto;overflow:hidden}.lesson-hero{grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);align-items:stretch;min-height:460px;display:grid}.lesson-stage{background:linear-gradient(135deg,#7dd3fc1f,#bef26414),#0a0e16;flex-direction:column;justify-content:space-between;padding:34px;display:flex}.lesson-stage h1{margin:20px 0;font-size:clamp(2.3rem,5vw,5.2rem);line-height:.97}.lesson-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:12px;display:flex}.course-panel{border-left:1px solid var(--border);padding:28px}.module-list{gap:10px;margin-top:18px;display:grid}.module-row{border:1px solid var(--border);border-radius:var(--radius);background:#ffffff0b;justify-content:space-between;align-items:center;gap:12px;padding:13px;display:flex}.module-row span{color:var(--muted);font-size:.82rem}.countdown{border-radius:var(--radius);color:#e0f2fe;background:#7dd3fc1c;border:1px solid #7dd3fc47;gap:4px;padding:13px 14px;display:grid}.countdown strong{font-size:1.4rem}.learning-shell{min-height:100vh;padding:22px}.learning-header{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid var(--border);border-radius:var(--radius);z-index:20;background:#07090fc7;grid-template-columns:auto minmax(280px,1fr) auto;align-items:center;gap:18px;max-width:1440px;margin:0 auto 18px;padding:14px 16px;display:grid;position:sticky;top:14px}.learning-course-status{grid-template-columns:minmax(180px,max-content) minmax(160px,1fr) auto;align-items:center;gap:10px;min-width:0;display:grid}.learning-course-status span{color:#dfe7f7;text-overflow:ellipsis;white-space:nowrap;font-size:.84rem;font-weight:800;overflow:hidden}.learning-course-status strong{color:var(--lime);font-size:.9rem}.learning-progress-track{background:#ffffff13;border-radius:999px;width:100%;height:8px;overflow:hidden}.learning-progress-fill{background:linear-gradient(90deg, var(--green), var(--accent));border-radius:inherit;min-width:4px;height:100%;display:block}.learning-header-actions{justify-content:flex-end;align-items:center;gap:10px;display:flex}.trial-pill{border-radius:var(--radius);color:#fde68a;background:#fbbf2421;border:1px solid #fbbf2447;align-items:center;gap:8px;min-height:38px;padding:8px 10px;font-weight:900;display:inline-flex}.account-menu{position:relative}.account-menu summary{border:1px solid var(--border);border-radius:var(--radius);background:#ffffff14;align-items:center;gap:8px;min-height:42px;padding:5px 8px 5px 5px;list-style:none;display:inline-flex}.account-menu summary::-webkit-details-marker{display:none}.avatar{background:linear-gradient(135deg, var(--lime), var(--accent));color:#061017;border-radius:8px;justify-content:center;align-items:center;width:31px;height:31px;font-size:.82rem;font-weight:900;display:inline-flex}.account-menu-panel{background:var(--panel-strong);border:1px solid var(--border-strong);border-radius:var(--radius);box-shadow:var(--shadow);z-index:30;gap:4px;min-width:190px;padding:8px;display:grid;position:absolute;top:calc(100% + 8px);right:0}.account-menu-panel button{border-radius:var(--radius);color:var(--text);text-align:left;background:0 0;border:0;align-items:center;gap:9px;width:100%;min-height:38px;padding:9px 10px;display:flex}.account-menu-panel button:hover{background:#ffffff13}.learning-notice{border-radius:var(--radius);color:#fde68a;background:#fbbf241c;border:1px solid #fbbf2442;max-width:1440px;margin:0 auto 18px;padding:12px 14px}.learning-grid{grid-template-columns:minmax(0,1fr) minmax(340px,390px);align-items:start;gap:18px;max-width:1440px;margin:0 auto;display:grid}.learning-main{min-width:0}.video-panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.video-frame{aspect-ratio:16/9;background:linear-gradient(135deg,#34d39924,#7dd3fc14),#05070c;width:100%;position:relative}.video-frame video{object-fit:contain;background:#05070c;border:0;width:100%;height:100%;position:absolute;inset:0}.video-empty{color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:12px;height:100%;display:flex}.video-cover{background:linear-gradient(135deg,#34d3992e,#7dd3fc24),linear-gradient(160deg,#080c13 0%,#121827 55%,#0a0e16 100%);justify-content:center;align-items:center;height:100%;padding:24px;display:flex}.video-cover-content{text-align:center;flex-direction:column;align-items:center;gap:14px;max-width:640px;display:flex}.video-cover-icon{border:1px solid var(--border-strong);color:var(--lime);background:#ffffff1a;border-radius:999px;justify-content:center;align-items:center;width:74px;height:74px;display:inline-flex}.video-cover-kicker{color:var(--accent);letter-spacing:.12em;text-transform:uppercase;font-size:.78rem;font-weight:900}.video-cover-content strong{font-size:clamp(1.35rem,3vw,2.5rem);line-height:1.08}.lesson-info{padding:22px 24px 10px}.lesson-info h1{margin:10px 0;font-size:clamp(1.55rem,3vw,2.6rem);line-height:1.08}.lesson-info p{color:var(--muted);max-width:860px;margin:0;line-height:1.65}.lesson-controls{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:22px 24px 24px;display:grid}.learning-sidebar{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);max-height:calc(100vh - 110px);position:sticky;top:94px;overflow:hidden}.sidebar-title{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:18px;display:flex}.sidebar-title h2{margin:4px 0 0;font-size:1.1rem}.module-accordion{gap:8px;max-height:calc(100vh - 196px);padding:10px;display:grid;overflow-y:auto}.learning-module{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.module-toggle{color:var(--text);text-align:left;background:#ffffff0b;border:0;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:10px;width:100%;min-height:64px;padding:12px;display:grid}.module-toggle>span{color:var(--subtle);text-transform:uppercase;gap:3px;min-width:0;font-size:.75rem;font-weight:800;display:grid}.module-toggle strong{color:var(--text);overflow-wrap:anywhere;text-transform:none;font-size:.92rem}.module-toggle em{border:1px solid var(--border);color:var(--muted);border-radius:999px;padding:5px 8px;font-size:.78rem;font-style:normal;font-weight:800}.lesson-list{gap:7px;padding:8px;display:grid}.lesson-item{border-radius:var(--radius);color:var(--muted);text-align:left;background:0 0;border:1px solid #0000;grid-template-columns:20px minmax(0,1fr);align-items:center;gap:9px;width:100%;min-height:54px;padding:10px;display:grid}.lesson-item:hover,.lesson-item-active{color:#e0f2fe;background:#7dd3fc1a;border-color:#7dd3fc47}.lesson-item svg{color:var(--green)}.lesson-item span{gap:4px;min-width:0;display:grid}.lesson-item strong{color:inherit;font-size:.88rem;line-height:1.35}.lesson-item small{color:var(--subtle);font-size:.74rem;font-weight:800}.course-admin-metrics{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.course-admin-metrics span{border:1px solid var(--border);color:var(--muted);background:#ffffff0f;border-radius:999px;align-items:center;gap:6px;padding:7px 9px;display:inline-flex}.welcome-overlay{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);z-index:50;background:#03060cc7;justify-content:center;align-items:center;padding:22px;display:flex;position:fixed;inset:0}.welcome-panel{background:var(--panel-strong);border:1px solid var(--border-strong);border-radius:var(--radius);box-shadow:var(--shadow);width:100%;max-width:560px;padding:28px}.welcome-panel h2{margin:10px 0 14px;font-size:clamp(1.8rem,4vw,3rem);line-height:1.02}.welcome-panel p{color:var(--muted);margin:0 0 22px;line-height:1.7}.loading-block{border-radius:var(--radius);background:#ffffff14;animation:1.5s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:.55}50%{opacity:1}}.state-page{justify-content:center;align-items:center;min-height:100vh;padding:28px;display:flex}.state-card{text-align:center;max-width:620px}.state-icon{border:1px solid var(--border-strong);border-radius:50%;justify-content:center;align-items:center;width:62px;height:62px;margin-bottom:20px;display:inline-flex}.purchase-placeholder{border-radius:var(--radius);color:var(--subtle);background:#ffffff0b;border:1px dashed #ffffff38;margin-top:24px;padding:18px}@media (max-width:1120px){.auth-shell,.app-shell,.lesson-hero,.content-grid,.learning-grid{grid-template-columns:1fr}.auth-hero{min-height:58vh}.login-panel{border-left:0;border-top:1px solid var(--border)}.sidebar{height:auto;position:relative}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-panel{border-left:0;border-top:1px solid var(--border)}.learning-sidebar{max-height:none;position:static}.module-accordion{max-height:none}}@media (max-width:720px){.auth-hero,.login-panel,.main,.platform-shell,.learning-shell{padding:20px}.auth-hero:before{inset:18px}.auth-metrics,.stats-grid{grid-template-columns:1fr}.topbar,.platform-nav,.panel-header,.learning-header{flex-direction:column;align-items:stretch;display:flex}.lesson-stage,.course-panel,.auth-card,.panel{padding:20px}.learning-course-status{grid-template-columns:1fr auto}.learning-course-status span{white-space:normal;grid-column:1/-1}.learning-header-actions{justify-content:space-between}.lesson-info,.lesson-controls{padding-left:18px;padding-right:18px}.lesson-controls{grid-template-columns:1fr}.module-toggle{grid-template-columns:minmax(0,1fr) auto}.module-toggle svg{display:none}}