:root { --ink:#111827; --muted:#667085; --line:#e5e7eb; --brand:#ff6b35; --navy:#17212b; --bg:#f5f7fb; }
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); background: var(--bg); }
a { color: inherit; text-decoration: none; }
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: linear-gradient(135deg, #17212b, #253544); }
.login-card, .panel { background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 18px 60px rgba(17,24,39,.12); }
.login-card { width: min(420px, 100%); padding: 30px; }
.brand { font-weight: 900; font-size: 24px; margin-bottom: 6px; }
.muted { color: var(--muted); }
form { display: grid; gap: 14px; }
input, textarea, select { width: 100%; min-height: 46px; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; font: inherit; background: #fff; }
textarea { min-height: 180px; resize: vertical; }
.btn { min-height: 44px; padding: 0 16px; border-radius: 8px; border: 1px solid transparent; background: var(--brand); color: #fff; font-weight: 900; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.btn.secondary { background: #fff; color: var(--ink); border-color: var(--line); }
.btn.danger { background: #b42318; }
.error { color: #b42318; font-weight: 800; }
.admin-shell { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.sidebar { background: var(--navy); color: #dbe4ec; padding: 24px; }
.sidebar h1 { color: #fff; margin: 0 0 26px; font-size: 22px; }
.sidebar a { display: block; padding: 12px 14px; border-radius: 8px; font-weight: 800; margin-bottom: 6px; }
.sidebar a:hover, .sidebar a.active { background: rgba(255,255,255,.1); color: #fff; }
.admin-main { padding: 30px; }
.admin-head { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-bottom: 22px; }
.admin-head h2 { margin: 0; font-size: 30px; }
.panel { padding: 22px; margin-bottom: 20px; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.metric { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 20px; }
.metric strong { display: block; font-size: 30px; color: var(--brand); }
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); }
th, td { text-align: left; padding: 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #f9fafb; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 900px) { .admin-shell { grid-template-columns: 1fr; } .sidebar { position: static; } .grid, .form-grid { grid-template-columns: 1fr; } }