:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --border: #e3e5ea;
  --text: #1c1e26;
  --text-dim: #6b6d78;
  --accent: #e63946;
  --accent-dark: #c62d39;
  --success: #1e8e5a;
  --success-bg: #e5f6ee;
  --error: #c62d39;
  --error-bg: #fbe7e9;
  --sidebar-bg: #14161d;
  --sidebar-text: #cfd0d6;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}
a { color: var(--accent); }

.sidebar-logo img { height: 30px; width: auto; display: block; }
.login-logo img { height: 40px; width: auto; display: block; margin: 0 auto; }

/* Layout */
.admin-shell {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-logo { font-size: 1.3rem; margin-bottom: 28px; padding: 0 8px; }
.sidebar nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.sidebar nav a {
  color: var(--sidebar-text);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 8px;
  font-weight: 500;
}
.sidebar nav a:hover { background: rgba(255,255,255,0.06); }
.sidebar nav a.active { background: var(--accent); color: #fff; }
.sidebar-footer { font-size: 0.8rem; padding: 12px 8px 0; border-top: 1px solid rgba(255,255,255,0.1); margin-top: 12px; }
.sidebar-footer strong { color: #fff; }
.logout-link { display: block; margin-top: 6px; }

.sidebar-toggle {
  display: none;
  position: fixed;
  top: 14px; left: 14px;
  z-index: 50;
  background: var(--sidebar-bg);
  color: #fff;
  border: none;
  width: 40px; height: 40px;
  border-radius: 8px;
  font-size: 1.2rem;
  cursor: pointer;
}

.admin-main {
  flex: 1;
  padding: 28px 32px;
  max-width: 1200px;
  width: 100%;
}

h1 { font-size: 1.5rem; margin: 0 0 18px; }
h2 { font-size: 1.1rem; margin: 0 0 14px; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: 0.9rem; }
.alert-success, .alert-success ~ .alert { background: var(--success-bg); color: var(--success); }
.alert-error { background: var(--error-bg); color: var(--error); }

/* Stat cards */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px; }
.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-card.stat-warning { border-color: var(--accent); }
.stat-value { font-size: 1.8rem; font-weight: 700; }
.stat-label { color: var(--text-dim); font-size: 0.85rem; }

/* Panel */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 24px;
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  gap: 12px;
  flex-wrap: wrap;
}
.panel-header h1, .panel-header h2 { margin: 0; }

.empty-state { color: var(--text-dim); padding: 20px 0; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary { background: #eceef1; color: var(--text); }
.btn-secondary:hover { background: #dfe1e6; }

.link-danger { background: none; border: none; color: var(--error); cursor: pointer; padding: 0; font-size: 0.85rem; text-decoration: underline; }
.link-action { background: none; border: none; color: var(--accent); cursor: pointer; padding: 0; font-size: 0.8rem; text-decoration: underline; }

/* Table */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table th, .data-table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
.data-table th { color: var(--text-dim); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.4px; }
.data-table td.actions { display: flex; gap: 10px; align-items: center; }
.data-table td.actions form { margin: 0; }

.thumb { width: 44px; height: 44px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }
.thumb-empty { display: inline-flex; align-items: center; justify-content: center; background: #f0f1f4; color: var(--text-dim); }
.thumb-preview { display: block; width: 90px; height: 90px; object-fit: cover; border-radius: 8px; margin-bottom: 8px; }

.badge { padding: 3px 10px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-muted { background: #eceef1; color: var(--text-dim); }

.search-bar { display: flex; gap: 10px; margin-bottom: 18px; }
.search-bar input { flex: 1; max-width: 320px; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; }
.search-bar select, .status-form select, .status-form input { padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; font-family: inherit; font-size: 0.9rem; }
.inline-form { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }
.inline-form input, .inline-form select { padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; font-family: inherit; font-size: 0.9rem; }
.inline-form input[type=text] { flex: 1; min-width: 180px; }
.vehicle-groups { display: flex; flex-direction: column; gap: 12px; max-height: 320px; overflow-y: auto; padding: 4px; }
.vehicle-groups .brand-name { font-weight: 700; font-size: 0.85rem; margin-bottom: 6px; }
.settings-hint { font-size: 0.85rem; color: var(--text-dim); margin: -6px 0 14px; }
.settings-hint a { color: var(--accent); }
.settings-test { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--border); }
.form-grid h2 { font-size: 1.05rem; margin: 8px 0 2px; }
.form-grid h2:first-child { margin-top: 0; }
.status-form { display: flex; gap: 10px; align-items: center; }
.order-totals { max-width: 320px; margin: 16px 0; }
.order-totals .summary-line { display: flex; justify-content: space-between; padding: 6px 0; font-size: 0.9rem; }
.order-totals .summary-total { font-weight: 700; border-top: 1px solid var(--border); margin-top: 6px; padding-top: 10px; }
code { background: #f0f1f4; padding: 2px 6px; border-radius: 4px; font-size: 0.85rem; }

.revenue-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 160px;
  padding-top: 10px;
}
.revenue-bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  gap: 6px;
}
.revenue-bar {
  width: 100%;
  max-width: 28px;
  background: var(--accent);
  border-radius: 4px 4px 0 0;
  min-height: 3px;
  transition: opacity 0.15s;
}
.revenue-bar-wrap:hover .revenue-bar { opacity: 0.75; }
.revenue-bar-label { font-size: 0.68rem; color: var(--text-dim); white-space: nowrap; }

.pagination { display: flex; gap: 6px; margin-top: 18px; }
.pagination a { padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; text-decoration: none; color: var(--text); font-size: 0.85rem; }
.pagination a.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Forms */
.form-grid { display: flex; flex-direction: column; gap: 16px; max-width: 720px; }
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 0.85rem; color: var(--text); }
.form-grid input[type=text], .form-grid input[type=email], .form-grid input[type=password],
.form-grid input[type=number], .form-grid input[type=file], .form-grid textarea, .form-grid select {
  font-weight: 400;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
}
.form-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.checkbox-label { flex-direction: row !important; align-items: center; gap: 8px !important; font-weight: 500; }
.checkbox-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; }
fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 14px; }
legend { font-weight: 700; padding: 0 6px; }
.form-actions { display: flex; gap: 12px; margin-top: 8px; }

.image-manager { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--border); }
.image-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; }
.image-card { border: 1px solid var(--border); border-radius: 8px; padding: 8px; text-align: center; position: relative; }
.image-card.is-cover { border-color: var(--accent); }
.image-card img { width: 100%; height: 100px; object-fit: cover; border-radius: 6px; margin-bottom: 6px; }
.cover-badge { display: block; font-size: 0.75rem; color: var(--accent); font-weight: 700; margin-bottom: 4px; }
.image-card form { display: inline; }

/* Login page */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--sidebar-bg); }
.login-box {
  background: var(--panel);
  padding: 36px 32px;
  border-radius: var(--radius);
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.login-logo { font-size: 1.6rem; text-align: center; margin-bottom: 4px; }
.login-logo .ct { color: var(--text); }
.login-box h1 { font-size: 1.1rem; text-align: center; color: var(--text-dim); font-weight: 500; margin: 0 0 8px; }
.login-box label { font-size: 0.85rem; font-weight: 600; }
.login-box input { padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 0.95rem; width: 100%; }
.login-box button { margin-top: 6px; }

/* Responsive */
@media (max-width: 900px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .sidebar-toggle { display: block; }
  .sidebar {
    position: fixed;
    left: 0; top: 0;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 40;
    width: 240px;
  }
  .sidebar.open { transform: translateX(0); }
  .admin-main { padding: 70px 16px 24px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr 1fr; }
  .data-table { display: block; overflow-x: auto; white-space: nowrap; }
}