:root{
  --blue:#0B3D91; --blue-2:#1E5FCC; --blue-3:#E8EFFB;
  --red:#E63946; --black:#0A0A0A; --ink:#111418;
  --muted:#6B7280; --line:#E5E7EB; --bg:#F6F8FC; --white:#fff;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}
a{color:inherit;text-decoration:none}

/* Login */
.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(800px 500px at 80% -10%,rgba(230,57,70,.22),transparent 60%),linear-gradient(135deg,#04102a,#0B3D91 60%,#122c66);padding:1rem}
.login-card{background:#fff;padding:2.4rem;border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.35);width:min(420px,100%)}
.login-card .brand{display:flex;align-items:center;gap:.8rem;margin-bottom:1.5rem}
.brand-mark{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--red));color:#fff;font-weight:800;font-family:'Plus Jakarta Sans',sans-serif}
.login-card h1{font-size:1.5rem;margin-bottom:.4rem;font-family:'Plus Jakarta Sans',sans-serif}
.login-card p{color:var(--muted);margin-bottom:1.5rem;font-size:.9rem}
.login-card label{display:block;font-size:.85rem;font-weight:600;margin-bottom:1rem}
.login-card input{width:100%;padding:.8rem 1rem;border:1px solid var(--line);border-radius:10px;font-family:inherit;margin-top:.35rem;font-size:.95rem}
.login-card input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(30,95,204,.12)}
.login-card .btn-primary{width:100%;background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;border:0;padding:.9rem;border-radius:10px;font-weight:600;cursor:pointer;font-size:1rem;margin-top:.4rem}
.login-card .hint{display:block;margin-top:1rem;font-size:.78rem;color:var(--muted);text-align:center}

/* Layout */
.admin-layout{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.sidebar{background:#0A0A0A;color:#c8d0e0;padding:1.4rem;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar .brand{display:flex;gap:.7rem;align-items:center;margin-bottom:2rem}
.sidebar .brand strong{color:#fff;display:block;font-size:.92rem}
.sidebar .brand small{font-size:.72rem;opacity:.7;text-transform:uppercase;letter-spacing:.08em}
.sidebar nav{display:flex;flex-direction:column;gap:.2rem}
.sidebar nav a{padding:.7rem .9rem;border-radius:10px;font-size:.9rem;transition:.2s;color:#c8d0e0}
.sidebar nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.sidebar nav a.active{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff}
.sidebar nav a.danger{color:#ff8a8a}
.sidebar nav hr{border:0;border-top:1px solid rgba(255,255,255,.08);margin:.8rem 0}
.admin-main{padding:2rem;min-width:0}
.admin-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.6rem;flex-wrap:wrap;gap:.6rem}
.admin-topbar h1{font-size:1.5rem;font-family:'Plus Jakarta Sans',sans-serif}
.admin-topbar .user{font-size:.85rem;color:var(--muted)}
.admin-topbar .user b{color:var(--ink)}

/* Cards & Panels */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.6rem}
.stat-card{background:#fff;padding:1.3rem;border-radius:14px;border:1px solid var(--line);display:flex;flex-direction:column;gap:.3rem}
.stat-card span{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:600}
.stat-card strong{font-size:1.8rem;font-family:'Plus Jakarta Sans',sans-serif}
.stat-card a{color:var(--blue);font-size:.85rem;font-weight:600;margin-top:.4rem}
.stat-card.accent{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;border-color:transparent}
.stat-card.accent span{color:rgba(255,255,255,.85)}
.stat-card.accent a{color:#fff}

.panel{background:#fff;padding:1.5rem;border-radius:14px;border:1px solid var(--line);margin-bottom:1.4rem;overflow-x:auto}
.panel h2{font-size:1.1rem;margin-bottom:1.2rem;font-family:'Plus Jakarta Sans',sans-serif}

/* Table */
.admin-table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:640px}
.admin-table th,.admin-table td{padding:.7rem .6rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.admin-table th{font-size:.75rem;text-transform:uppercase;color:var(--muted);letter-spacing:.06em}
.admin-table tr:hover{background:var(--bg)}
.thumb{width:64px;height:44px;object-fit:cover;border-radius:8px}
.thumb.round{width:44px;height:44px;border-radius:50%}
.actions{display:flex;gap:.4rem;flex-wrap:wrap}
.badge{padding:.2rem .55rem;border-radius:999px;font-size:.7rem;font-weight:600;text-transform:uppercase}
.badge.published{background:#dcfce7;color:#166534}
.badge.draft{background:#fef3c7;color:#92400e}

/* Forms */
.admin-form{display:flex;flex-direction:column;gap:1rem}
.admin-form label{display:block;font-size:.85rem;font-weight:600}
.admin-form input,.admin-form select,.admin-form textarea{width:100%;padding:.7rem .9rem;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:.92rem;background:#fff;margin-top:.3rem}
.admin-form input:focus,.admin-form select:focus,.admin-form textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(30,95,204,.12)}
.admin-form textarea{resize:vertical;min-height:80px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;border:0;padding:.8rem 1.4rem;border-radius:10px;font-weight:600;cursor:pointer;font-size:.95rem;font-family:inherit;align-self:flex-start}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(11,61,145,.3)}
.btn-mini{display:inline-block;padding:.35rem .7rem;border-radius:8px;font-size:.8rem;font-weight:600;background:var(--blue-3);color:var(--blue);margin-right:.3rem}
.btn-mini:hover{background:var(--blue);color:#fff}
.btn-mini.danger{background:#fee2e2;color:#b91c1c}
.btn-mini.danger:hover{background:var(--red);color:#fff}

.alert{padding:.8rem 1rem;border-radius:10px;margin-bottom:1rem;font-size:.9rem}
.alert.success{background:#dcfce7;color:#166534;border:1px solid #86efac}
.alert.error{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}

.img-preview{margin-top:.6rem;border-radius:12px;overflow:hidden;border:1px solid var(--line);max-width:400px}
.img-preview img{width:100%;display:block}

@media(max-width:900px){
  .admin-layout{grid-template-columns:1fr}
  .sidebar{position:static;height:auto}
  .sidebar nav{flex-direction:row;flex-wrap:wrap}
  .admin-main{padding:1.2rem}
}