:root {
  --navy: #0a1c38;
  --gold: #f3a712;
  --paper: #f8f6f1;
  --ink: #12213a;
  --muted: #5c6b81;
  --line: #e9e4d8;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Segoe UI", Tahoma, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: linear-gradient(160deg, #050e1f, #0a1c38 45%, #123a6d);
  color: var(--ink);
  min-height: 100vh;
}
.container { width: min(1100px, 92%); margin: 40px auto; }
.admin-bar, .login-card, .form-card, .table, .flash {
  background: var(--paper);
  border-radius: 18px;
  border: 1px solid var(--line);
}
.admin-bar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 22px 26px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.admin-bar h1, .login-card h1, .form-card + h1 {
  font-family: var(--serif);
  color: var(--navy);
  font-size: 28px;
}
.admin-bar p, .login-card p { color: var(--muted); margin-top: 4px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: var(--navy);
  color: #fff;
  padding: 11px 16px;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}
.btn.ghost { background: #fff; color: var(--navy); border: 1px solid var(--line); }
.btn:hover { background: var(--gold); color: var(--navy); }
.table { width: 100%; border-collapse: collapse; overflow: hidden; }
.table th, .table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14px; }
.table th { background: #fff; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .6px; }
.row-actions { display: flex; gap: 12px; align-items: center; }
.row-actions a, .link-danger {
  background: none; border: 0; color: var(--navy); font-weight: 700; cursor: pointer; text-decoration: none; font-size: 13px;
}
.link-danger { color: #b42318; }
.flash { padding: 14px 18px; margin-bottom: 14px; color: #166534; background: #ecfdf3; border-color: #bbf7d0; }
.form-card, .login-card { padding: 28px; display: grid; gap: 10px; max-width: 640px; }
.login-wrap { min-height: 80vh; display: grid; place-items: center; }
.login-card { width: min(420px, 100%); }
label { font-size: 13px; font-weight: 700; color: var(--navy); margin-top: 8px; }
input, select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  font: inherit;
}
.error { color: #b42318; font-size: 13px; }
.back { margin-top: 14px; color: var(--muted); text-decoration: none; font-size: 13px; }
.hint { color: var(--muted); font-size: 12px; font-weight: 500; }
.preview {
  width: 140px;
  height: 96px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--line);
  display: block;
}
.thumb { width: 72px; height: 52px; object-fit: cover; border-radius: 8px; display: block; }
input[type="file"] { padding: 8px; background: #fff; }