:root {
  --bg: #f3f5f8;
  --panel: #ffffff;
  --text: #172033;
  --muted: #667085;
  --line: #d9e0ea;
  --accent: #b42318;
  --accent-dark: #8f1d14;
  --nav: #101828;
  --soft: #f9fafb;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--text); background: var(--bg); }
a { color: inherit; text-decoration: none; }
button, .button { border: 0; border-radius: 6px; background: var(--accent); color: #fff; padding: 10px 14px; font-weight: 700; cursor: pointer; display: inline-block; }
button:hover, .button:hover { background: var(--accent-dark); }
.button.secondary { background: #344054; }
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: linear-gradient(135deg, #101828, #344054); }
.login-wrap .panel { width: min(440px, 100%); }
.admin-layout { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.admin-sidebar { background: var(--nav); color: #fff; padding: 22px; }
.admin-brand { display: block; font-size: 21px; font-weight: 900; margin-bottom: 16px; }
.admin-user { border: 1px solid rgba(255,255,255,.12); border-radius: 8px; padding: 12px; margin-bottom: 18px; background: rgba(255,255,255,.06); font-weight: 800; }
.admin-user small { display: block; margin-top: 4px; color: #d0d5dd; font-weight: 600; }
.admin-sidebar nav { display: grid; gap: 5px; }
.admin-sidebar a { padding: 10px 12px; border-radius: 6px; color: #d0d5dd; }
.admin-sidebar a.active, .admin-sidebar a:hover { background: rgba(255,255,255,.1); color: #fff; }
.admin-main { padding: 28px; min-width: 0; }
.title-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 16px; }
h1 { margin: 0 0 18px; font-size: 28px; letter-spacing: 0; }
h2 { margin: 0 0 12px; font-size: 20px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 18px; margin: 18px 0; box-shadow: 0 10px 26px rgba(16,24,40,.05); }
.alert { background: #fef3f2; color: #912018; border: 1px solid #fecdca; border-radius: 6px; padding: 12px; margin-bottom: 14px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 18px; }
.stat strong { display: block; font-size: 34px; }
.stat span { color: var(--muted); }
.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 7px; font-weight: 700; color: #344054; }
input, textarea, select { width: 100%; border: 1px solid var(--line); border-radius: 6px; padding: 10px 11px; font: inherit; background: #fff; color: var(--text); }
input[readonly] { background: var(--soft); color: var(--muted); }
textarea { resize: vertical; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.checks { display: flex; flex-wrap: wrap; gap: 14px; padding: 10px; background: var(--soft); border: 1px solid var(--line); border-radius: 8px; }
.checks label, .inline-form label { display: flex; align-items: center; gap: 8px; }
.inline-form { grid-template-columns: repeat(6, minmax(0, 1fr)); align-items: end; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid var(--line); padding: 12px; text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 13px; background: var(--soft); }
.actions { display: flex; gap: 10px; align-items: center; }
.actions button { padding: 6px 9px; background: #344054; }
.actions-panel { display: flex; gap: 12px; flex-wrap: wrap; }
.editor-form textarea[name="body"] { min-height: 360px; }
@media (max-width: 980px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-grid, .grid-2, .grid-3, .inline-form { grid-template-columns: 1fr; }
  .admin-main { padding: 18px; }
}