:root{--navy:#0b3556;--teal:#12b7c4;--bg:#f2f6f9;--border:#e2e9ee;--ink:#101826;--muted:#6b7888}
*{box-sizing:border-box}
body{margin:0;font-family:'Manrope',system-ui,sans-serif;color:var(--ink);background:var(--bg);font-size:15px}
a{color:var(--teal);text-decoration:none}
h1,h2,h3{margin:0 0 .6em}
h2{font-size:1.1rem}
.muted{color:var(--muted)}

.admin-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.admin-sidebar{background:var(--navy);color:#fff;display:flex;flex-direction:column;padding:24px 16px;position:sticky;top:0;height:100vh}
.admin-brand{font-weight:800;font-size:1.15rem;margin-bottom:28px;padding:0 8px}
.admin-brand span{color:var(--teal)}
.admin-nav{display:grid;gap:4px;flex:1;align-content:start}
.admin-nav a{color:rgba(255,255,255,.8);padding:10px 12px;border-radius:10px;font-weight:600}
.admin-nav a:hover,.admin-nav a.active{background:rgba(255,255,255,.1);color:#fff}
.badge{background:var(--teal);color:#fff;border-radius:999px;font-size:.7rem;padding:2px 8px;margin-left:6px}
.admin-sidebar-footer{display:grid;gap:8px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12)}
.admin-sidebar-footer a{color:rgba(255,255,255,.8);padding:8px 12px;font-weight:600}
.logout{color:#ffb4a8 !important}

.admin-main{min-width:0}
.admin-topbar{background:#fff;border-bottom:1px solid var(--border);padding:18px 32px}
.admin-topbar h1{margin:0;font-size:1.35rem}
.admin-content{padding:28px 32px;max-width:1100px}
.admin-lead{color:var(--muted);margin-top:0}

.admin-panel{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;margin-bottom:20px}
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.stat-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px;display:grid}
.stat-card-value{font-size:2rem;font-weight:800;color:var(--navy)}
.stat-card-label{color:var(--muted);font-weight:600;font-size:.85rem}
.stat-card-alert .stat-card-value{color:var(--teal)}
.quick-links{display:flex;flex-wrap:wrap;gap:10px}
.quick-link{background:var(--bg);padding:10px 16px;border-radius:10px;font-weight:700;color:var(--navy)}
.quick-link:hover{background:var(--navy);color:#fff}

.admin-table{width:100%;border-collapse:collapse}
.admin-table th,.admin-table td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--border)}
.admin-table th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.actions{white-space:nowrap}
.actions > *{margin-right:10px}
.link-danger{background:none;border:none;color:#c23a2c;cursor:pointer;font:inherit;font-weight:600;padding:0}
.tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:700}
.tag-accent{background:rgba(18,183,196,.15);color:#0d8a94}
.tag-muted{background:#eceff2;color:var(--muted)}

.form-group{display:grid;gap:6px;margin-bottom:16px}
.form-group label,.form-group > label{font-weight:700;font-size:.86rem}
input[type=text],input[type=email],input[type=url],input[type=password],input[type=number],select,textarea{width:100%;padding:11px 13px;border:1.5px solid var(--border);border-radius:10px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal)}
input[type=color]{height:44px;width:80px;padding:2px;border:1.5px solid var(--border);border-radius:10px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 20px}
.form-grid-3{grid-template-columns:2fr 1fr 1fr}
.hint{font-size:.78rem;color:var(--muted)}
.check{display:flex;align-items:center;gap:8px;font-weight:600;margin-bottom:16px}
.check input{width:auto}
.preview-img{max-height:80px;border-radius:8px;border:1px solid var(--border);padding:4px;background:#fff}
.preview-sm{max-height:32px}

.btn-admin{display:inline-block;padding:11px 20px;border-radius:10px;border:1.5px solid var(--border);background:#fff;color:var(--ink);font:inherit;font-weight:700;cursor:pointer}
.btn-admin:hover{border-color:var(--navy)}
.btn-admin-primary{background:var(--navy);border-color:var(--navy);color:#fff}
.btn-admin-primary:hover{background:#08283f}
.btn-admin-danger{color:#c23a2c}
.btn-block{width:100%}

.admin-alert{padding:14px 16px;border-radius:10px;margin-bottom:18px;font-weight:600}
.admin-alert-success{background:#e7f8ee;color:#1a7f4a}
.admin-alert-error{background:#fdeceb;color:#c23a2c}

.tabs{display:flex;gap:6px;margin-bottom:18px;flex-wrap:wrap}
.tab{padding:9px 16px;border-radius:10px;background:#fff;border:1px solid var(--border);font-weight:700;color:var(--muted)}
.tab.active{background:var(--navy);color:#fff;border-color:var(--navy)}

.message-unread{border-left:4px solid var(--teal)}
.message-head{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:6px}
.message-meta{margin:0 0 8px;color:var(--muted)}
.inline-actions{display:flex;gap:10px}

.login-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy),#0a2740);padding:20px}
.login-card{background:#fff;border-radius:18px;padding:36px;width:100%;max-width:400px;box-shadow:0 24px 64px rgba(0,0,0,.3)}
.login-brand{font-weight:800;font-size:1.4rem}
.login-brand span{color:var(--teal)}
.login-sub{color:var(--muted);margin:6px 0 20px}

@media(max-width:860px){
  .admin-shell{grid-template-columns:1fr}
  .admin-sidebar{position:static;height:auto}
  .admin-nav{grid-template-columns:repeat(2,1fr)}
  .stat-cards{grid-template-columns:repeat(2,1fr)}
  .form-grid,.form-grid-3{grid-template-columns:1fr}
  .admin-content,.admin-topbar{padding-left:16px;padding-right:16px}
}

.tag-danger{background:#fdeceb;color:#c23a2c}
.tag-warn{background:#fff4de;color:#a86a00}
.check-audit{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:8px}
.check-audit li{font-weight:600}
.check-audit li.ok{color:#1a7f4a}
.check-audit li.todo{color:var(--muted)}
.mono,textarea.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem}
code{background:var(--bg);padding:2px 6px;border-radius:6px}