:root{--bg:#EEF2F7;--bg2:#E6EDF5;--card:#FFFFFF;--card2:#F7FAFC;--text:#1A2B3C;--muted:#5A7185;--accent:#00A896;--accent2:#007A6E;--danger:#E53935;--line:rgba(0,0,0,.1);--soft:rgba(0,0,0,.04);--shadow: 0 10px 30px rgba(0,0,0,.1);--radius:16px;--radius2:14px;--ring: 0 0 0 4px rgba(0,168,150,.16)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:radial-gradient(1200px 600px at 20% -10%,rgba(0,168,150,.08),transparent 60%),radial-gradient(900px 500px at 95% 15%,rgba(63,81,181,.07),transparent 55%),linear-gradient(180deg,var(--bg) 0%,var(--bg2) 100%);color:var(--text)}#app{min-height:100vh}h1,h2{margin:0;letter-spacing:.2px;color:var(--text)}h2{font-size:18px}label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-top:10px;margin-bottom:6px}input,textarea{width:100%;border:1.5px solid rgba(0,0,0,.12);background:#fff;color:var(--text);padding:11px 12px;border-radius:14px;outline:none;transition:border-color .15s ease,box-shadow .15s ease;font-size:14px}textarea{resize:vertical}input:focus,textarea:focus{border-color:#00a89699;box-shadow:var(--ring)}input::placeholder,textarea::placeholder{color:#a0b0bc}.muted{color:var(--muted)}.small{font-size:12px}.hidden{display:none!important}.row{display:flex;align-items:center;justify-content:space-between}.gap{gap:10px}.btn{border:1.5px solid rgba(0,0,0,.12);background:#fff;color:var(--text);padding:10px 12px;border-radius:14px;cursor:pointer;font-weight:600;font-size:13px;transition:transform .06s ease,background .15s ease,border-color .15s ease,box-shadow .15s ease}.btn:hover{background:#ebf1f7;border-color:#0000002e}.btn:active{transform:translateY(1px)}.btn.full{width:100%}.btn.primary{background:linear-gradient(135deg,var(--accent) 0%,var(--accent2) 100%);border-color:transparent;color:#fff;box-shadow:0 8px 20px #00a89638}.btn.primary:hover{box-shadow:0 10px 24px #00a8964d}.btn.danger{background:linear-gradient(135deg,#EF5350 0%,var(--danger) 100%);border-color:transparent;color:#fff;box-shadow:0 8px 20px #e539352e}.btn.ghost{background:transparent;color:var(--muted)}.btn.ghost:hover{background:#0000000d;color:var(--text)}.btn.mini{padding:8px 10px;border-radius:12px;font-size:12px}.btn.warn{background:#ffb300;border-color:transparent;color:#fff;font-weight:700}.icon-btn{border:1.5px solid rgba(0,0,0,.12);background:#fff;color:var(--text);height:40px;min-width:40px;border-radius:12px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background .15s ease,transform .06s ease,border-color .15s ease}.icon-btn:hover{background:#ebf1f7;border-color:#0000002e}.icon-btn:active{transform:translateY(1px)}.page{display:flex;align-items:center;justify-content:center;padding:24px;min-height:100vh}.card{background:#fff;border:1.5px solid rgba(0,0,0,.08);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.card-head{margin-bottom:10px}.card p{margin:8px 0 0}.dash{display:grid;grid-template-columns:360px 1fr;min-height:100vh}.overlay{display:none}.sidebar{padding:16px;border-right:1.5px solid rgba(0,0,0,.09);background:#fff;position:sticky;top:0;height:100vh;overflow:auto}.sidebar-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}.brand-title{font-weight:800;font-size:16px;color:var(--text)}.brand-sub{margin-top:2px}.userbox{background:var(--soft);border:1.5px solid rgba(0,0,0,.08);border-radius:var(--radius);padding:12px;margin-bottom:12px}.userline{display:flex;gap:10px;align-items:center;margin-bottom:10px}.chip{width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:#00a8961f;border:1.5px solid rgba(0,168,150,.28)}.useremail{font-weight:700;font-size:13px;color:var(--text)}.sidecard{background:var(--soft);border:1.5px solid rgba(0,0,0,.08);border-radius:var(--radius);padding:12px}.search{position:relative;margin-top:10px}.search-ic{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px}.search-in{padding-left:34px}.materi-list{margin-top:10px;display:flex;flex-direction:column;gap:10px}.list-item{width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px;border:1.5px solid rgba(0,0,0,.09);border-radius:var(--radius2);cursor:pointer;background:#fff;transition:transform .08s ease,border-color .15s ease,background .15s ease,box-shadow .15s ease}.list-item:hover{background:#ebf5f3;border-color:#00a8964d;transform:translateY(-1px);box-shadow:0 4px 12px #00000012}.list-item.active{background:#e0f5f2;border-color:#00a8968c;box-shadow:0 0 0 4px #00a8961a}.li-title{font-weight:800;color:var(--text)}.li-sub{display:flex;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:4px}.li-sep{opacity:.5}.badge{font-size:11px;padding:5px 10px;border-radius:999px;border:1px solid rgba(0,0,0,.1);color:var(--muted);background:#eef2f7;white-space:nowrap;font-weight:600}.badge.ok{color:#2e7d32;border-color:#4caf504d;background:#4caf501a}.sidefoot{margin-top:14px;display:flex;align-items:center;justify-content:center;gap:10px;opacity:.8}.sidefoot .dot{opacity:.5}.content{padding:16px;background:var(--bg);display:flex;flex-direction:column;gap:12px}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;border:1.5px solid rgba(0,0,0,.09);border-radius:var(--radius);background:#ffffffe0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 4px 16px #00000014}.topbar-title{display:flex;flex-direction:column;gap:2px}.topbar-h{font-weight:900;color:var(--text)}.pill{font-size:12px;padding:6px 10px;border-radius:999px;border:1px solid rgba(0,0,0,.1);background:#eef2f7;color:var(--muted);font-weight:600}.pill.ok{color:#2e7d32;border-color:#4caf504d;background:#4caf501a}.grid-main{display:grid;grid-template-columns:1fr;gap:12px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.empty{padding:12px;border:1.5px dashed rgba(0,0,0,.15);border-radius:var(--radius2);background:#00000005;color:var(--muted)}.sections-list{margin-top:12px;display:flex;flex-direction:column;gap:12px}.sec{border:1.5px solid rgba(0,0,0,.09);border-radius:var(--radius);padding:12px;background:#fff;transition:border-color .15s ease,background .15s ease,box-shadow .15s ease}.sec:hover{background:#f5f9fc;border-color:#00000024;box-shadow:0 4px 12px #0000000f}.sec-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.sec-left{flex:1;min-width:0}.sec-topline{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.sec-title{font-weight:900;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:520px}.sec-sub{margin-top:6px;color:var(--muted);opacity:.92}.sec-actions{display:flex;gap:8px;align-items:center;justify-content:flex-end;flex-wrap:wrap}.sec-body{margin-top:12px}.type-pill{font-size:11px;padding:4px 8px;border-radius:999px;border:1px solid rgba(0,0,0,.1);font-weight:600}.type-pill.text{color:#1565c0;border-color:#1565c040;background:#1565c014}.type-pill.quiz{color:#e65100;border-color:#e6510040;background:#e6510014}.switch{display:flex;align-items:center;gap:10px;-webkit-user-select:none;user-select:none;cursor:pointer;margin-top:28px}.switch input{display:none}.slider{width:44px;height:26px;border-radius:999px;background:#00000024;border:1.5px solid rgba(0,0,0,.12);position:relative;transition:background .15s ease,border-color .15s ease}.slider:after{content:"";position:absolute;top:50%;transform:translateY(-50%);left:3px;width:20px;height:20px;border-radius:999px;background:#fff;box-shadow:0 1px 4px #00000040;transition:left .15s ease}.switch input:checked+.slider{background:#00a896cc;border-color:#00a8968c}.switch input:checked+.slider:after{left:21px}.switch-text{font-size:12px;color:var(--muted);font-weight:600}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%);background:var(--text);color:#fff;border:none;padding:10px 18px;border-radius:999px;font-size:13px;font-weight:500;box-shadow:0 8px 24px #0000002e;opacity:0;transition:opacity .2s ease,transform .2s ease;white-space:nowrap}.toast.show{opacity:1;transform:translate(-50%) translateY(-4px)}.only-mobile{display:none}@media (max-width: 980px){.dash{grid-template-columns:320px 1fr}.sec-title{max-width:360px}}@media (max-width: 860px){.only-mobile{display:inline-flex}.dash{grid-template-columns:1fr}.overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:50}.sidebar{position:fixed;top:0;left:0;width:320px;max-width:86vw;height:100vh;transform:translate(-105%);transition:transform .22s ease;z-index:60;box-shadow:var(--shadow);border-right:1.5px solid rgba(0,0,0,.09)}body.sb-open .sidebar{transform:translate(0)}body.sb-open .overlay{opacity:1;pointer-events:auto}.content{padding:14px}.grid2{grid-template-columns:1fr}}