:root{--bg:#fff8f2;--primary:#0f5238;--secondary:#006c48;--cream:#f9f2ec;--card:#fff;--text:#1d1b18;--muted:#4b5563;--border:#dbe5de}
*{box-sizing:border-box}body{margin:0;font-family:Outfit,sans-serif;background:var(--bg);color:var(--text)}
.container{max-width:1200px;margin:auto;padding:16px}.topbar{position:sticky;top:0;background:#ffffffd9;backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:20}
.narrow{max-width:760px}.center{margin-left:auto;margin-right:auto}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.brand{font-family:"Playfair Display",serif;color:var(--primary);font-weight:700}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:0 8px 24px rgba(15,82,56,.06)}
.btn{border:none;border-radius:12px;padding:10px 14px;cursor:pointer;font-weight:600;min-height:42px;display:inline-flex;align-items:center;justify-content:center;text-align:center}.btn-primary{background:var(--primary);color:#fff}.btn-soft{background:var(--cream);color:var(--primary)}
.input{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:12px;background:#fff}.grid{display:grid;gap:14px}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.check-row{display:flex;align-items:center;gap:10px;color:var(--muted);font-weight:600}.check-row input{width:18px;height:18px;accent-color:var(--primary)}
.link-preview{overflow-wrap:anywhere;line-height:1.5}.link-preview span{font-weight:700;color:var(--primary)}.link-preview a{color:var(--secondary)}
.course-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.course-list label,.course-list span{border:1px solid var(--border);border-radius:10px;padding:10px;background:#fff;line-height:1.35}.course-list input{accent-color:var(--primary);margin-right:8px}
.badge{background:#ecfdf3;color:var(--primary);padding:4px 8px;border-radius:999px;font-size:12px;font-weight:600}.muted{color:var(--muted)}
.actions{display:flex;gap:8px;flex-wrap:wrap}.actions .btn{flex:0 0 auto}
.sidebar{display:grid;gap:8px}.sidebar a,.tabs a{text-decoration:none;color:var(--muted);padding:10px 12px;border-radius:10px;display:block}.sidebar a.active,.tabs a.active{background:var(--cream);color:var(--primary);font-weight:600}
.table{width:100%;border-collapse:collapse;min-width:720px}.table th,.table td{padding:10px;border-bottom:1px solid var(--border);text-align:left}
.table-wrap{overflow:auto}
.video{background:#000;border-radius:18px;overflow:hidden;position:relative;min-height:60vh}.video img{width:100%;height:100%;object-fit:cover;display:block}.video-placeholder{min-height:60vh;display:grid;place-content:center;text-align:center;color:#fff;padding:24px;background:radial-gradient(circle at top left,rgba(15,82,56,.65),transparent 35%),linear-gradient(135deg,#06130d,#0f2f22)}
.controls{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.mobile-nav{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--border);display:none;gap:6px;padding:8px;z-index:40}.mobile-nav a{flex:1;text-align:center;text-decoration:none;color:var(--muted);padding:8px;border-radius:10px;font-size:12px}
.mobile-nav a.active{background:var(--cream);color:var(--primary);font-weight:700}
@media (max-width:1024px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:768px){
.g2,.g3,.g4{grid-template-columns:1fr}
.container{padding:14px}
.narrow{max-width:100%}
.desktop-only{display:none!important}
.mobile-nav{display:flex}
body{padding-bottom:72px}
.topbar .row{gap:8px;align-items:flex-start}
.brand{font-size:20px;line-height:1.2}
.btn{padding:10px 12px;font-size:14px;width:100%}
.actions,.topbar .row:last-child{width:100%}
.actions .btn,.topbar .row:last-child .btn,.topbar .row:last-child a{flex:1 1 140px}
.card{padding:14px;border-radius:12px}
h2{font-size:22px;line-height:1.25}h3{font-size:18px;line-height:1.3}
.input{min-height:44px}
.check-row{align-items:flex-start}
.link-preview{font-size:14px}
.course-list{grid-template-columns:1fr}
.table-wrap{overflow:visible}
.table{min-width:0;border-collapse:separate;border-spacing:0 10px}
.table thead{display:none}
.table tr{display:block;background:#fff;border:1px solid var(--border);border-radius:12px;padding:10px}
.table td{display:flex;justify-content:space-between;gap:12px;border:none;padding:7px 2px;font-size:14px;word-break:break-word}
.table td::before{content:attr(data-label);font-weight:600;color:var(--primary)}
.table td[data-label='Action'],.table td[data-label='Mark']{display:grid;grid-template-columns:1fr;gap:8px}
}
.password-field{position:relative;display:flex;align-items:center}.password-field .input{padding-right:76px}.password-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);border:0;border-radius:9px;background:var(--cream);color:var(--primary);font-weight:700;padding:7px 10px;cursor:pointer}.stat-line{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--border);padding:8px 0}.stat-line:last-child{border-bottom:0}.empty-state{border:1px dashed var(--border);border-radius:14px;padding:14px;background:#fffdf9;color:var(--muted)}