/* Solwin Admin panel styles */
:root{
  --blue-900:#0a2540;--blue-800:#0b3a6f;--blue-700:#0b57d0;--blue-600:#1a6dff;
  --blue-100:#e7f0ff;--blue-50:#f4f8ff;--teal:#0ea5a4;--ink:#0f1b2d;--slate:#55627a;
  --line:#e3e9f2;--bg:#eef3fb;--radius:12px;--shadow:0 8px 24px rgba(11,55,111,.10);
  --font:"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);}
a{color:var(--blue-700);text-decoration:none}
.admin-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(180deg,var(--blue-900),var(--blue-800));color:#cfe0fb;padding:22px 16px;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar .logo{display:flex;align-items:center;gap:10px;margin-bottom:26px;padding:0 6px}
.sidebar .logo img{height:38px;background:#fff;padding:5px 8px;border-radius:8px}
.sidebar .logo span{font-weight:800;color:#fff;font-size:1.05rem;line-height:1.1}
.sidebar nav a{display:flex;align-items:center;gap:11px;padding:11px 14px;border-radius:9px;color:#cfe0fb;font-weight:600;margin-bottom:3px;font-size:.95rem}
.sidebar nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.sidebar nav a.active{background:var(--blue-600);color:#fff}
.sidebar nav .grouplabel{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:#7fa0cf;margin:18px 8px 8px}
.sidebar .ico{width:18px;text-align:center}
.main{padding:26px 30px}
.topline{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;gap:12px;flex-wrap:wrap}
.topline h1{margin:0;font-size:1.5rem;color:var(--blue-900)}
.who{color:var(--slate);font-size:.9rem}
.who a{margin-left:12px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:26px}
.mcard{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border-left:4px solid var(--blue-600)}
.mcard .n{font-size:2rem;font-weight:800;color:var(--blue-800)}
.mcard .l{color:var(--slate);font-size:.9rem}
.mcard.teal{border-color:var(--teal)} .mcard.amber{border-color:#f5a623} .mcard.purple{border-color:#6d5ef0}
.panel{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:22px}
.panel h2{margin:0 0 16px;font-size:1.15rem;color:var(--blue-900)}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--blue-50);color:var(--blue-800);font-size:.78rem;text-transform:uppercase;letter-spacing:.05em}
tr:hover td{background:#fafcff}
.table-wrap{overflow-x:auto}
.tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.74rem;font-weight:700}
.tag-contact{background:#fff3e0;color:#b26a00}
.tag-free{background:#e6faf9;color:#0a7d7c}
.tag-paid{background:var(--blue-100);color:var(--blue-700)}
.tag-paid.paid{background:#e6faf0;color:#0a7d4f}
.tag-paid.pending{background:#fdf3d7;color:#8a6d00}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:8px;font-weight:700;border:1px solid transparent;cursor:pointer;font-size:.88rem;text-decoration:none}
.btn-primary{background:var(--blue-700);color:#fff}.btn-primary:hover{background:var(--blue-600)}
.btn-outline{background:#fff;color:var(--blue-700);border-color:var(--blue-700)}
.btn-outline:hover{background:var(--blue-50)}
.btn-danger{background:#fff;color:#c62828;border-color:#e6a5a5}
.btn-danger:hover{background:#fdeaea}
.btn-sm{padding:6px 12px;font-size:.8rem}
.btn-teal{background:var(--teal);color:#fff}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px;align-items:center}
.filters a{padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:600;font-size:.85rem;color:var(--slate)}
.filters a.active{background:var(--blue-700);color:#fff;border-color:var(--blue-700)}
.course-filters a{background:var(--blue-100,#eef4ff);border-color:transparent;color:var(--blue-700)}
.course-filters a.active{background:var(--blue-700);color:#fff}
.course-filters .count{display:inline-block;min-width:18px;padding:0 6px;margin-left:4px;border-radius:999px;background:rgba(0,0,0,.08);font-size:.72rem;line-height:18px;text-align:center}
.course-filters a.active .count{background:rgba(255,255,255,.28)}
tr.group-row td{background:#f5f8ff;font-weight:700;color:var(--blue-700);font-size:.82rem;letter-spacing:.02em;text-transform:uppercase;padding-top:14px}
.field{margin-bottom:15px}
.field label{display:block;font-weight:600;font-size:.85rem;margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:.95rem;font-family:inherit;background:#fbfdff}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--blue-600);box-shadow:0 0 0 3px var(--blue-100)}
.field textarea{min-height:90px;resize:vertical}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-weight:600}
.alert-success{background:#e6faf0;color:#0a7d4f}
.alert-error{background:#fdeaea;color:#b3261e}
.inline-form{display:inline}
.muted{color:var(--slate);font-size:.85rem}
.row-actions{display:flex;gap:8px;white-space:nowrap}
/* ---- Asset / media library ---- */
.asset-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px}
.asset-card{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.asset-card:hover{box-shadow:var(--shadow)}
.asset-thumb{height:130px;background:repeating-conic-gradient(#eef2f7 0% 25%,#fff 0% 50%) 50%/16px 16px;display:grid;place-items:center;border-bottom:1px solid var(--line)}
.asset-thumb img{max-width:100%;max-height:118px;object-fit:contain}
.asset-body{padding:11px 12px;flex:1}
.asset-name{display:block;width:100%;text-align:left;background:none;border:0;padding:0;cursor:pointer;font:inherit;font-weight:700;font-size:.82rem;color:var(--blue-700);word-break:break-all}
.asset-name:hover{text-decoration:underline}
.asset-actions{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--line);background:#fafcff}
.asset-actions .btn{flex:1;justify-content:center}

.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue-900),var(--blue-700));padding:20px}
.login-card{background:#fff;border-radius:16px;box-shadow:0 30px 60px rgba(0,0,0,.3);padding:36px;width:100%;max-width:400px;text-align:center}
.login-card img{height:48px;margin-bottom:14px}
.toggle-active{cursor:pointer}
@media(max-width:900px){.admin-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto}.cards{grid-template-columns:1fr 1fr}.grid2,.grid3{grid-template-columns:1fr}}