:root{
  --graphite-900:#14171a; --graphite-800:#1c2126; --steel-600:#4c5a66; --steel-300:#a9b4bc;
  --paper-50:#f5f7f8; --yellow:#f4b400; --yellow-dim:#c99000; --ink:#0e1113;
}
*{box-sizing:border-box;}
body{margin:0;font-family:'IBM Plex Sans',Arial,sans-serif;background:var(--paper-50);color:var(--ink);}
a{color:inherit;}
.admin-shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh;}
.admin-sidebar{background:var(--graphite-900);color:#fff;padding:24px 0;}
.admin-sidebar .brand{padding:0 20px 20px;font-weight:700;font-size:17px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.admin-sidebar .brand img{height:30px;border-radius:4px;}
.admin-sidebar nav a{display:block;padding:12px 20px;color:var(--steel-300);text-decoration:none;font-size:14.5px;border-left:3px solid transparent;}
.admin-sidebar nav a:hover, .admin-sidebar nav a.active{color:#fff;background:rgba(255,255,255,.06);border-left-color:var(--yellow);}
.admin-main{padding:30px 36px;}
.admin-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px;}
.admin-topbar h1{font-size:22px;margin:0;}
.admin-topbar .logout{font-size:13px;color:var(--steel-600);text-decoration:none;border:1px solid #ccc;padding:8px 14px;border-radius:4px;}
.card{background:#fff;border:1px solid #e2e2e2;border-radius:6px;padding:24px;margin-bottom:24px;}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;font-weight:600;font-size:14px;border:1px solid transparent;border-radius:4px;cursor:pointer;text-decoration:none;}
.btn-primary{background:var(--yellow);color:var(--ink);}
.btn-primary:hover{background:#ffc635;}
.btn-danger{background:#fff;border-color:#c0392b;color:#c0392b;}
.btn-danger:hover{background:#c0392b;color:#fff;}
.btn-ghost{background:#fff;border-color:#ccc;color:#333;}
table{width:100%;border-collapse:collapse;}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid #eee;font-size:14px;vertical-align:middle;}
th{color:var(--steel-600);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.03em;}
img.thumb{width:52px;height:52px;object-fit:cover;border-radius:4px;background:#eee;}
img.thumb-round{border-radius:50%;}
form.stack{display:flex;flex-direction:column;gap:16px;max-width:640px;}
form.stack label{font-size:13px;font-weight:600;color:var(--steel-600);display:block;margin-bottom:6px;}
form.stack input[type=text],form.stack input[type=tel],form.stack input[type=email],
form.stack input[type=password],form.stack input[type=file],form.stack textarea{
  width:100%;padding:10px 12px;border:1px solid #ccc;border-radius:4px;font-size:14px;font-family:inherit;
}
form.stack textarea{resize:vertical;}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.hint{font-size:12px;color:var(--steel-600);margin-top:4px;}
.flash{padding:12px 16px;border-radius:4px;margin-bottom:20px;font-size:14px;}
.flash-ok{background:#e7f6ec;color:#1d7a3e;border:1px solid #b6e6c4;}
.flash-err{background:#fdeceb;color:#c0392b;border:1px solid #f3c1bd;}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--graphite-900);}
.login-box{background:#fff;padding:40px;border-radius:8px;width:100%;max-width:360px;}
.login-box h2{margin:0 0 20px;}
.thumbs-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px;}
.thumbs-row .item{position:relative;}
.thumbs-row img{width:70px;height:70px;object-fit:cover;border-radius:4px;background:#eee;}
.thumbs-row form{position:absolute;top:-8px;right:-8px;}
.thumbs-row button{width:20px;height:20px;border-radius:50%;background:#c0392b;color:#fff;border:0;cursor:pointer;font-size:12px;line-height:1;padding:0;}
.tag-pill{display:inline-block;background:var(--ink);color:var(--yellow);font-size:11px;padding:3px 8px;border-radius:3px;}
.actions-row{display:flex;gap:8px;}
@media (max-width:800px){
  .admin-shell{grid-template-columns:1fr;}
  .admin-sidebar{display:flex;overflow-x:auto;padding:12px 0;}
  .admin-sidebar .brand{display:none;}
  .admin-sidebar nav{display:flex;}
  .admin-sidebar nav a{white-space:nowrap;border-left:0;border-bottom:3px solid transparent;}
  .admin-sidebar nav a.active{border-left:0;border-bottom-color:var(--yellow);}
  .grid2{grid-template-columns:1fr;}
}