:root{--ink:#172033;--muted:#697386;--line:#dde3eb;--surface:#fff;--canvas:#f4f6f9;--nav:#1e293b;--primary:#2559d6;--primary-dark:#1747b9;--danger:#c73636;--success:#197449;--radius:10px;--shadow:0 1px 3px rgba(18,31,53,.08),0 8px 24px rgba(18,31,53,.04)}
*{box-sizing:border-box}
html{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--canvas)}
body{margin:0;min-height:100vh}
a{color:inherit}
.topbar{min-height:58px;background:var(--nav);color:#fff;display:flex;align-items:center;padding:0 28px;gap:30px;box-shadow:0 1px 4px rgba(0,0,0,.18)}
.brand{font-size:17px;font-weight:750;text-decoration:none;white-space:nowrap}.brand span{color:#94a3b8;font-weight:500}
.topbar nav{display:flex;align-self:stretch}.topbar nav a{display:flex;align-items:center;padding:0 15px;color:#c8d0dc;text-decoration:none;font-size:14px;border-bottom:2px solid transparent}.topbar nav a:hover{color:#fff;background:#29374c;border-color:#6d8fe5}
.account{margin-left:auto;display:flex;align-items:center;gap:9px;font-size:13px}.role{background:#334155;color:#cbd5e1;border-radius:99px;padding:4px 8px;font-size:11px}.account form{margin:0}
.account-link{color:#c8d0dc;font-size:12px}.account-link:hover{color:#fff}.link-button{appearance:none;border:0;background:transparent;color:#c8d0dc;text-decoration:underline;cursor:pointer;font:inherit;padding:6px}.link-button:hover{color:#fff}
.shell{max-width:1240px;margin:0 auto;padding:42px 30px 70px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:25px}.page-head h1{font-size:28px;letter-spacing:-.025em;margin:3px 0 4px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:750;color:#718096;margin:0}.muted{color:var(--muted);margin:5px 0;line-height:1.55}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 16px;border:1px solid #c7cfda;border-radius:7px;background:#fff;color:#344054;text-decoration:none;font-weight:650;font-size:14px;cursor:pointer;white-space:nowrap}.button:hover{background:#f8fafc}.button.primary{background:var(--primary);border-color:var(--primary);color:#fff}.button.primary:hover{background:var(--primary-dark)}.button.ghost{background:transparent}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(175px,1fr));gap:14px;margin-bottom:25px}.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px;display:flex;flex-direction:column;gap:7px}.stat span{font-size:12px;color:var(--muted);font-weight:650}.stat strong{font-size:29px;line-height:1}.stat.danger strong{color:var(--danger)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:25px}.panel h2{font-size:18px;margin:0 0 6px}.panel p{color:var(--muted);line-height:1.55;margin:0}.empty-state{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:18px}
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:17px}.course-card{display:flex;flex-direction:column;min-height:210px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:21px}.course-card h2{font-size:18px;margin:16px 0 8px}.card-link{text-decoration:none}.card-link:hover{color:var(--primary)}.course-card p{color:var(--muted);line-height:1.55;margin:0}.course-meta,.course-card footer{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:11px;color:#7a8494}.course-card footer{margin-top:auto;padding-top:22px}.badge{border-radius:99px;padding:4px 8px;font-weight:750;text-transform:uppercase;letter-spacing:.05em;font-size:9px}.badge.draft{background:#fff5d8;color:#8b6513}.badge.published{background:#dcf8e9;color:var(--success)}.badge.archived{background:#edf0f4;color:#5f6978}
.form-panel{max-width:760px}.stack{display:flex;flex-direction:column;gap:18px}.stack label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:700;color:#3b4657}.stack input,.stack textarea{width:100%;border:1px solid #cbd3df;border-radius:7px;padding:11px 12px;font:inherit;color:var(--ink);background:#fff;outline:none}.stack input:focus,.stack textarea:focus{border-color:#5a7fe0;box-shadow:0 0 0 3px rgba(37,89,214,.12)}.hint{font-size:11px;color:var(--muted);font-weight:450}.actions{display:flex;gap:10px;margin-top:3px}.alert{border:1px solid #f0baba;background:#fff0f0;color:#9e2828;border-radius:7px;padding:11px 13px;margin-bottom:18px;font-size:13px}
.login-body{display:grid;place-items:center;background:linear-gradient(145deg,#eef2f8,#f8fafc);padding:22px}.login-card{width:min(390px,100%);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 55px rgba(20,35,60,.13);padding:36px}.login-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;background:var(--primary);color:#fff;font-size:21px;font-weight:800;margin-bottom:18px}.login-card h1{font-size:27px;margin:4px 0 6px}.login-card .button{width:100%;margin-top:3px}
.editor{margin-bottom:22px}.editor summary{font-weight:750;cursor:pointer;margin-bottom:18px}.compact{margin-top:18px}.form-columns{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.stack select{width:100%;border:1px solid #cbd3df;border-radius:7px;padding:11px 12px;background:#fff}.check{display:flex!important;flex-direction:row!important;align-items:center}.check input{width:auto!important}.chapter-list{display:flex;flex-direction:column;gap:14px;margin-bottom:24px}.chapter{display:flex;gap:18px}.chapter-number{flex:0 0 36px;width:36px;height:36px;border-radius:50%;background:#e8eefc;color:var(--primary);display:grid;place-items:center;font-weight:800}.chapter-content h2{margin:3px 0 10px}.prose{white-space:pre-wrap;line-height:1.65;color:#3d4859}.media-link{display:inline-block;margin-top:14px;color:var(--primary);font-weight:650}.form-panel.wide{max-width:none}.quota{margin-bottom:18px!important}
.quiz-panel{margin:24px 0}.page-head.inset{margin:0}.question-summary{padding-left:22px;color:#3d4859}.question-summary li{padding:5px}.question-summary span{font-size:10px;color:var(--muted);margin-left:8px}.inline-form{display:flex;gap:10px;margin-top:18px}.inline-form select{flex:1;border:1px solid #cbd3df;border-radius:7px;padding:10px;background:#fff}.text-link{display:inline-block;margin-top:12px;color:var(--primary)}.question-bank{display:flex;flex-direction:column;gap:14px}.question-card{display:grid;grid-template-columns:2fr 1fr;gap:20px}.question-card h2{font-size:17px}.question-card ol{margin:0}.question-card li{padding:4px;color:var(--muted)}.question-card li.correct{color:var(--success);font-weight:700}.quiz-form{display:flex;flex-direction:column;gap:16px;counter-reset:q}.quiz-question{counter-increment:q}.quiz-question legend{font-size:11px;color:var(--muted);font-weight:800;text-transform:uppercase}.quiz-question legend:after{content:" " counter(q)}.quiz-question h2{font-size:18px}.answer{display:flex;gap:10px;padding:10px;border:1px solid var(--line);border-radius:7px;margin-top:8px;cursor:pointer}.answer:hover{background:#f8fafc}.result-card{max-width:650px;margin:40px auto;text-align:center}.score{font-size:64px;font-weight:850;margin:25px}.result-card.passed .score{color:var(--success)}.result-card.failed .score{color:var(--danger)}.result-card .actions{justify-content:center;margin-top:24px}
.table-panel{overflow:auto;padding:0}.table-panel table{width:100%;border-collapse:collapse}.table-panel th,.table-panel td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);font-size:13px;white-space:nowrap}.table-panel th{background:#f8fafc;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.06em}.table-panel small{display:block;color:var(--muted)}.admin-grid{display:grid;grid-template-columns:2fr 1fr;gap:18px;margin-top:18px}.admin-grid h2{margin-top:0}.spaced{margin-top:20px}.badge.overdue,.badge.failed{background:#ffe4e4;color:var(--danger)}.badge.open,.badge.available{background:#e7efff;color:var(--primary)}.badge.passed{background:#dcf8e9;color:var(--success)}
.badge.missing,.badge.expired,.badge.failed{background:#ffe4e4;color:var(--danger)}.report-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.report-grid h2{padding:18px;margin:0}
.lesson-image,.lesson-video{display:block;max-width:min(100%,900px);max-height:560px;margin-top:16px;border-radius:8px;background:#0f172a}.category-box{margin-bottom:18px}.category-box summary{font-weight:750;cursor:pointer}.category-box .inline-form input{flex:1;border:1px solid #cbd3df;border-radius:7px;padding:10px}
.config-status{padding:12px;border-radius:7px;background:#f3f6fa;color:var(--muted);font-size:13px}
.module-areas{display:flex;flex-direction:column;gap:20px}.module-area{padding:0;overflow:hidden}.module-area-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 24px;background:#f8fafc;border-bottom:1px solid var(--line)}.module-area-head h2{margin:3px 0 0;font-size:21px}.module-area-head>span{font-size:12px;color:var(--muted)}.module-list{display:flex;flex-direction:column}.module-row{display:grid;grid-template-columns:82px minmax(240px,1fr) auto;align-items:center;gap:17px;padding:15px 24px;border-bottom:1px solid var(--line)}.module-row:last-child{border-bottom:0}.module-code{display:inline-flex;width:max-content;border-radius:6px;padding:5px 8px;background:#e8eefc;color:var(--primary);font-size:11px;font-weight:850;letter-spacing:.04em}.module-code.inline{margin-right:9px;vertical-align:2px}.module-copy{display:flex;flex-direction:column;gap:4px}.module-copy strong{font-size:14px}.module-copy small{color:var(--muted);line-height:1.4}.module-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px}.module-planned{font-size:12px;color:var(--muted);padding:8px 0}.practice-card footer{align-items:flex-end}.practice-card footer .button{margin-left:auto}.practice-score{display:flex;flex-direction:column;align-items:flex-end}.practice-score strong{font-size:38px;color:var(--primary)}.practice-score span{font-size:12px;color:var(--muted)}.feedback-list{display:flex;flex-direction:column;gap:14px}.practice-feedback{border-left-width:5px}.practice-feedback.correct{border-left-color:var(--success)}.practice-feedback.incorrect{border-left-color:var(--danger)}.feedback-status{font-size:10px;font-weight:850;text-transform:uppercase;letter-spacing:.08em;margin-bottom:9px}.practice-feedback.correct .feedback-status{color:var(--success)}.practice-feedback.incorrect .feedback-status{color:var(--danger)}.practice-feedback p{margin-top:8px}.feedback-explanation{margin-top:15px!important;padding:12px;background:#f3f6fa;border-radius:7px;color:#3d4859!important}.practice-actions{margin-top:22px}
@media(max-width:760px){.topbar{align-items:flex-start;flex-wrap:wrap;padding:14px 18px;gap:10px}.topbar nav{order:3;width:100%;overflow-x:auto}.topbar nav a{padding:10px 12px}.account{font-size:12px}.role{display:none}.shell{padding:28px 17px 55px}.page-head,.empty-state{align-items:flex-start;flex-direction:column}.page-head .button{width:100%}.course-grid{grid-template-columns:1fr}.admin-grid,.report-grid{grid-template-columns:1fr}.module-area-head{align-items:flex-start}.module-row{grid-template-columns:1fr;padding:16px 18px}.module-actions{justify-content:flex-start;flex-wrap:wrap}.module-actions .button{width:100%}.practice-score{align-items:flex-start}.practice-actions{flex-direction:column}.practice-actions .button{width:100%}}