:root{
  --navy:#0F2A44; --navy-light:#17395C; --teal:#1E8A8A; --gold:#E7A93B;
  --ink:#1D2733; --muted:#66788a; --bg:#F2F5F8; --white:#fff; --border:#e3e9ee;
  --radius:12px; --shadow:0 6px 20px rgba(15,42,68,.06);
}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--ink);}
h1,h2,h3,strong.brand{font-family:'Poppins',sans-serif;}
a{color:inherit;text-decoration:none;}

/* ---- Login ---- */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(160deg,var(--navy),var(--navy-light));}
.login-card{background:#fff;border-radius:16px;padding:44px 40px;width:380px;box-shadow:0 30px 60px rgba(0,0,0,.3);}
.login-brand{text-align:center;margin-bottom:24px;}
.login-brand h1{font-size:20px;color:var(--navy);margin:10px 0 2px;}
.login-brand p{color:var(--muted);font-size:13px;}
.brand-mark{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--gold),#c98f26);color:var(--navy);font-weight:800;font-size:24px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;}
.login-hint{font-size:12.5px;color:var(--muted);text-align:center;margin-top:16px;}
.back-link{display:block;text-align:center;margin-top:10px;font-size:13px;color:var(--teal);}

/* ---- Shell ----
   .admin-shell is the full-height flex row: sidebar + main.
   .admin-sidebar is a column with THREE parts: brand (fixed), nav (scrolls), footer (fixed).
   The `min-height:0` on .admin-nav is required — without it, a flex child refuses to
   shrink below its content's natural height, so overflow-y:auto never kicks in and
   items just spill out past the sidebar's 100vh box (which is the bug being fixed here).
*/
.admin-shell{display:flex;height:100vh;}
.admin-sidebar{
  width:250px;flex-shrink:0;background:var(--navy);color:#fff;
  display:flex;flex-direction:column;height:100vh;overflow:hidden;
}
.admin-brand{display:flex;align-items:center;gap:12px;padding:24px 20px;border-bottom:1px solid rgba(255,255,255,.08);flex-shrink:0;}
.admin-brand strong{display:block;font-size:15px;}
.admin-brand small{color:var(--gold);font-size:11px;text-transform:uppercase;letter-spacing:.04em;}

.admin-nav{
  flex:1 1 auto;min-height:0;overflow-y:auto;
  padding:12px 10px;display:flex;flex-direction:column;gap:2px;
}
.admin-nav::-webkit-scrollbar{width:6px;}
.admin-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:3px;}
.admin-nav a{
  padding:10px 14px;border-radius:8px;font-size:14px;color:#c8d6e2;
  display:flex;align-items:center;gap:10px;flex-shrink:0;white-space:nowrap;
}
.admin-nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.admin-nav a.active{background:var(--gold);color:var(--navy);font-weight:700;}
.nav-icon{font-size:14px;width:18px;text-align:center;flex-shrink:0;}

.admin-sidebar-footer{
  padding:14px 20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;gap:8px;font-size:13.5px;flex-shrink:0;
}
.admin-sidebar-footer a{color:#9fb3c4;}
.logout-link{color:#f0a4a4 !important;}

.admin-main{flex:1;min-width:0;height:100vh;overflow-y:auto;}
.admin-topbar{
  background:#fff;padding:20px 32px;display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5;
}
.admin-topbar h1{font-size:20px;color:var(--navy);}
.admin-user{font-size:13.5px;color:var(--muted);}
.admin-content{padding:28px 32px;max-width:1200px;}

/* ---- Cards / widgets ---- */
.stat-widgets{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:30px;}
.widget{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);border-left:4px solid var(--gold);}
.widget .num{font-size:30px;font-weight:800;color:var(--navy);}
.widget .label{color:var(--muted);font-size:13.5px;margin-top:4px;}

.panel{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;margin-bottom:24px;}
.panel h2{font-size:17px;color:var(--navy);margin-bottom:16px;}
.panel h3{font-size:15px;color:var(--navy);margin-bottom:10px;}

table{width:100%;border-collapse:collapse;}
table th, table td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--border);font-size:14px;}
table th{color:var(--muted);text-transform:uppercase;font-size:11.5px;letter-spacing:.03em;}
table tr:hover{background:#f9fbfc;}

.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;}
.badge-green{background:#e4f6ef;color:#1a7a53;}
.badge-gray{background:#eef1f4;color:#6b7c8c;}
.badge-gold{background:#fbeed7;color:#a5701c;}

.btn-primary, .btn-secondary, .btn-danger{
  display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:8px;font-size:14px;font-weight:600;
  border:none;cursor:pointer;
}
.btn-primary{background:var(--gold);color:var(--navy);}
.btn-primary:hover{background:#c98f26;}
.btn-secondary{background:#eef1f4;color:var(--navy);}
.btn-secondary:hover{background:#e2e8ee;}
.btn-danger{background:#fdeaea;color:#b23838;}
.btn-danger:hover{background:#f8d3d3;}
.btn-sm{padding:6px 12px;font-size:12.5px;}

.form-group{margin-bottom:16px;}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--navy);margin-bottom:6px;}
.form-group input[type=text], .form-group input[type=email], .form-group input[type=password],
.form-group input[type=number], .form-group input[type=url], .form-group input[type=color],
.form-group input[type=date], .form-group input[type=file],
.form-group textarea, .form-group select{
  width:100%;padding:11px 13px;border:1.5px solid var(--border);border-radius:8px;font-family:inherit;font-size:14px;
}
.form-group textarea{resize:vertical;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.checkbox-row{display:flex;align-items:center;gap:8px;}
.checkbox-row input{width:auto;}

.alert{padding:12px 18px;border-radius:8px;margin-bottom:18px;font-size:14px;}
.alert-success{background:#e4f6ef;color:#1a7a53;border:1px solid #b6e6cf;}
.alert-error{background:#fdeaea;color:#b23838;border:1px solid #f5c2c2;}

.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:10px;}
.section-card{border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:16px;}
.section-card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;flex-wrap:wrap;gap:10px;}
.item-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px dashed var(--border);}
.item-row:last-child{border-bottom:none;}
.tag{font-size:11.5px;background:#eef1f4;color:var(--muted);padding:2px 8px;border-radius:6px;}

.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:16px;}
.media-item{background:#fff;border-radius:10px;overflow:hidden;box-shadow:var(--shadow);}
.media-item img{width:100%;height:110px;object-fit:cover;}
.media-item .media-name{font-size:11.5px;padding:8px;color:var(--muted);word-break:break-all;}

.color-swatch{display:inline-block;width:20px;height:20px;border-radius:5px;vertical-align:middle;margin-right:8px;border:1px solid var(--border);}

@media (max-width: 900px){
  .admin-shell{height:auto;min-height:100vh;}
  .admin-sidebar{position:fixed;left:-260px;z-index:50;transition:.3s;height:100vh;}
  .admin-sidebar.open{left:0;}
  .admin-main{height:auto;overflow-y:visible;}
  .stat-widgets{grid-template-columns:repeat(2,1fr);}
  .form-row{grid-template-columns:1fr;}
}