:root{color:#102c50;font-synthesis:none;background:#f3f7fb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer}.login-page{background:radial-gradient(circle at 20% 10%,#dcefff,#0000 34%),#f7fbff;place-items:center;min-height:100vh;padding:24px;display:grid}.login-card{background:#fff;border:1px solid #d7e4ef;border-radius:24px;width:min(430px,100%);padding:32px;box-shadow:0 24px 70px #0f385d1f}.brand{align-items:center;gap:12px;margin-bottom:26px;display:flex}.brand-mark{color:#fff;background:linear-gradient(135deg,#0b5cab,#1e91d6);border-radius:12px;place-items:center;width:38px;height:38px;font-weight:800;display:grid}h1,h2,h3,p{margin-top:0}h1{margin-bottom:6px;font-size:28px}.muted{color:#698098}.field{gap:7px;margin-bottom:16px;font-size:14px;font-weight:650;display:grid}.field input,.field textarea,.field select{color:#102c50;background:#fff;border:1px solid #c8d7e4;border-radius:11px;width:100%;padding:11px 12px}.field textarea{resize:vertical;min-height:94px}.button{color:#fff;background:#126fc1;border:0;border-radius:11px;padding:11px 16px;font-weight:750}.button:hover{background:#0c5ca4}.button.secondary{color:#155d98;background:#eaf3fb}.button.danger{color:#a22a32;background:#fff0f0}.button.small{padding:8px 11px;font-size:13px}.button:disabled{opacity:.5;cursor:not-allowed}.error{color:#9b2430;background:#fff1f2;border:1px solid #ffd5d9;border-radius:10px;padding:11px}.shell{grid-template-columns:230px 1fr;min-height:100vh;display:grid}.sidebar{color:#fff;background:#082b4c;flex-direction:column;height:100vh;padding:26px 18px;display:flex;position:sticky;top:0}.sidebar .brand{margin-bottom:34px}.sidebar-nav{gap:7px;display:grid}.nav-link{text-align:left;color:#d8e9f8;background:0 0;border:0;border-radius:11px;padding:11px 13px}.nav-link.active,.nav-link:hover{color:#fff;background:#ffffff1f}.sidebar-footer{gap:12px;margin-top:auto;display:grid}.role-pill,.status{color:#1467aa;background:#e9f4ff;border-radius:999px;align-items:center;width:fit-content;padding:4px 9px;font-size:12px;font-weight:750;display:inline-flex}.status.published,.status.ready{color:#267341;background:#e9f8ee}.source-selector{border:0;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0;padding:0;display:grid}.source-selector legend{color:#698098;grid-column:1/-1;margin-bottom:6px;font-size:.82rem;font-weight:700}.source-option{cursor:pointer;background:#fff;border:1px solid #165ea329;border-radius:14px;gap:3px;min-height:76px;padding:12px;display:grid}.source-option.selected{background:#176fc812;border-color:#176fc8;box-shadow:0 0 0 2px #176fc814}.source-option input{opacity:0;pointer-events:none;position:absolute}.source-option span{color:#102c50;font-weight:800}.source-option small{color:#698098;line-height:1.35}.rights-pill{color:#176fc8;background:#176fc814;border-radius:999px;width:fit-content;margin:6px 0;padding:5px 9px;font-size:.75rem;font-weight:800;display:inline-flex}.rights-pill.needs_review{color:#8b5b00;background:#fff4dc}.rights-warning{color:#75500a;background:#fff8e8;border:1px solid #f0d08b;border-radius:10px;margin:8px 0;padding:10px;font-weight:750}.youtube-shell{aspect-ratio:16/9;background:#06192d;border-radius:16px;overflow:hidden}.youtube-shell iframe{border:0;width:100%;height:100%;display:block}@media (width<=680px){.source-selector{grid-template-columns:1fr}}.status.archived,.status.errored{color:#9c3037;background:#fff0f0}.main{padding:30px clamp(20px,4vw,56px) 80px;overflow:hidden}.page-header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.page-header h1{font-size:30px}.grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.card{background:#fff;border:1px solid #d9e5ee;border-radius:16px;padding:18px;box-shadow:0 7px 25px #163a580d}.metric{margin-top:10px;font-size:30px;font-weight:800}.toolbar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px;display:flex}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:700px}th,td{text-align:left;vertical-align:top;border-bottom:1px solid #e2ebf2;padding:13px 12px}th{color:#60768a;letter-spacing:.04em;text-transform:uppercase;font-size:12px}.clickable{color:#1169b3;text-align:left;background:0 0;border:0;padding:0;font-weight:750}.editor-layout{grid-template-columns:minmax(0,2fr) minmax(270px,.8fr);align-items:start;gap:18px;display:grid}.stack{gap:14px;display:grid}.module{border-left:4px solid #2d91d0}.module-header,.lesson-row,.inline-between{justify-content:space-between;align-items:center;gap:12px;display:flex}.lesson-row{border-top:1px solid #e2ebf2;padding:11px 0}.actions{flex-wrap:wrap;align-items:center;gap:7px;display:flex}.dialog-backdrop{z-index:50;background:#03182c7a;place-items:center;padding:22px;display:grid;position:fixed;inset:0}.dialog{background:#fff;border-radius:20px;width:min(760px,100%);max-height:90vh;padding:24px;overflow:auto}.rich-editor{background:#fff;border:1px solid #c8d7e4;border-radius:11px;min-height:180px;padding:14px}.quiz-question{border:1px solid #d8e5ee;border-radius:12px;margin-bottom:12px;padding:14px}.option-row{grid-template-columns:auto 1fr auto;align-items:center;gap:8px;margin:8px 0;display:grid}.option-row input[type=text]{border:1px solid #c8d7e4;border-radius:8px;padding:8px}.preview{background:#fbfdff;border:1px solid #d7e4ee;border-radius:16px;padding:24px}.upload-progress{background:#e2edf5;border-radius:99px;height:8px;overflow:hidden}.upload-progress span{background:#1c86cd;height:100%;display:block}@media (width<=980px){.grid{grid-template-columns:repeat(2,1fr)}.editor-layout{grid-template-columns:1fr}}@media (width<=720px){.shell{grid-template-columns:1fr}.sidebar{height:auto;position:static}.sidebar-nav{grid-template-columns:repeat(3,1fr)}.sidebar-footer{margin-top:22px}.main{padding:22px 16px 70px}.grid{grid-template-columns:1fr 1fr}.page-header{align-items:flex-start}}