:root {
  --navy: #0b2447; --navy-dark: #071a34; --sun: #ff8c1a; --green: #1e8e5a;
  --green-light: #e6f6ee; --red: #c0392b; --red-light: #fdeaea;
  --gray-50: #f8fafc; --gray-100: #f1f5f9; --gray-200: #e2e8f0;
  --gray-600: #475569; --gray-800: #1e293b; --white: #fff;
  --radius: 12px; --shadow: 0 4px 16px rgba(11,36,71,0.08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Segoe UI", Roboto, Arial, sans-serif; background: var(--gray-50); color: var(--gray-800); }
a { color: inherit; text-decoration: none; }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 11px 20px; border-radius: 8px; font-weight: 600; font-size: 14px; cursor: pointer; border: none; }
.btn-primary { background: var(--sun); color: #fff; }
.btn-primary:hover { background: #e97b0a; }
.btn-outline-navy { border: 1px solid var(--gray-200); color: var(--navy); background: #fff; }
.btn-block { width: 100%; }

/* ---- Login page ---- */
.admin-auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--navy); }
.auth-card { background: #fff; width: 380px; max-width: 90vw; padding: 40px 32px; border-radius: var(--radius); box-shadow: var(--shadow); }
.auth-logo { font-weight: 800; color: var(--navy); font-size: 18px; margin-bottom: 18px; }
.auth-card h1 { font-size: 22px; margin-bottom: 20px; color: var(--navy); }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--gray-600); }
.field input, .field select { width: 100%; padding: 11px 14px; border-radius: 8px; border: 1px solid var(--gray-200); font-size: 14.5px; }
.back-link { display: block; margin-top: 18px; text-align: center; font-size: 13.5px; color: var(--gray-600); }
.alert { padding: 12px 16px; border-radius: 8px; font-size: 14px; margin-bottom: 18px; }
.alert-error { background: var(--red-light); color: var(--red); }
.alert-success { background: var(--green-light); color: var(--green); }
.alert ul { padding-left: 18px; }

/* ---- Top navigation with dropdown menu ---- */
.admin-topnav { background: var(--navy-dark); position: sticky; top: 0; z-index: 50; }
.admin-topnav-inner { max-width: 1200px; margin: 0 auto; padding: 14px 32px; display: flex; align-items: center; justify-content: space-between; }
.topnav-brand { color: #fff; font-weight: 800; font-size: 16px; }
.admin-menu { position: relative; }
.admin-menu-btn { background: rgba(255,255,255,0.08); color: #fff; border: 1px solid rgba(255,255,255,0.15); padding: 10px 18px; border-radius: 8px; font-weight: 600; font-size: 14px; cursor: pointer; display: flex; align-items: center; gap: 8px; }
.admin-menu-btn:hover { background: rgba(255,255,255,0.14); }
.admin-menu .caret { font-size: 11px; transition: transform 0.15s ease; }
.admin-menu.open .caret { transform: rotate(180deg); }
.admin-menu-dropdown {
  position: absolute; right: 0; top: calc(100% + 8px); background: #fff; border-radius: 10px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.18); min-width: 220px; overflow: hidden;
  opacity: 0; visibility: hidden; transform: translateY(-6px); transition: all 0.15s ease;
}
.admin-menu.open .admin-menu-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.admin-menu-dropdown a { display: block; padding: 12px 18px; font-size: 14px; font-weight: 600; color: var(--gray-800); }
.admin-menu-dropdown a:hover { background: var(--gray-50); }
.admin-menu-dropdown a.active { color: var(--sun); }
.menu-divider { height: 1px; background: var(--gray-200); margin: 4px 0; }
.menu-logout-form button { width: 100%; text-align: left; background: none; border: none; padding: 12px 18px; font-size: 14px; font-weight: 600; color: var(--red); cursor: pointer; }
.menu-logout-form button:hover { background: var(--red-light); }

.admin-content { max-width: 1200px; margin: 0 auto; padding: 32px; }

/* ---- Shell layout (legacy sidebar, kept for reference) ---- */
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar { width: 220px; background: var(--navy-dark); color: rgba(255,255,255,0.85); padding: 24px 18px; display: flex; flex-direction: column; }
.sidebar-logo { color: #fff; font-weight: 800; margin-bottom: 28px; font-size: 16px; }
.admin-sidebar nav { display: flex; flex-direction: column; gap: 6px; flex-grow: 1; }
.admin-sidebar nav a { padding: 10px 12px; border-radius: 8px; font-size: 14.5px; font-weight: 600; }
.admin-sidebar nav a.active, .admin-sidebar nav a:hover { background: rgba(255,255,255,0.08); color: #fff; }
.sidebar-logout button { width: 100%; padding: 10px; background: rgba(255,255,255,0.06); border: none; border-radius: 8px; color: rgba(255,255,255,0.8); cursor: pointer; font-weight: 600; }
.sidebar-logout button:hover { background: rgba(255,255,255,0.14); }

.admin-main { flex: 1; padding: 32px 40px; max-width: 1100px; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.admin-topbar h1 { font-size: 24px; color: var(--navy); }

.stat-row { display: flex; gap: 16px; margin-bottom: 24px; }
.stat-box { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 18px 22px; min-width: 140px; }
.stat-box strong { display: block; font-size: 26px; color: var(--navy); }
.stat-box span { font-size: 13px; color: var(--gray-600); }

.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.chip { padding: 7px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--gray-200); font-size: 13.5px; font-weight: 600; color: var(--gray-600); }
.chip.active { background: var(--navy); color: #fff; border-color: var(--navy); }

.table-card { background: #fff; border-radius: var(--radius); border: 1px solid var(--gray-200); overflow: hidden; box-shadow: var(--shadow); }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th { text-align: left; background: var(--gray-50); padding: 12px 18px; font-size: 12px; text-transform: uppercase; color: var(--gray-600); }
.admin-table td { padding: 12px 18px; border-top: 1px solid var(--gray-100); font-size: 14px; vertical-align: middle; }
.admin-table .empty { text-align: center; padding: 40px; color: var(--gray-600); }
.prod-cell { display: flex; align-items: center; gap: 10px; }
.prod-thumb { width: 36px; height: 36px; border-radius: 6px; background: var(--gray-100); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.prod-thumb img { width: 100%; height: 100%; object-fit: cover; }
.row-actions { display: flex; gap: 12px; font-size: 13.5px; }
.row-actions a { color: var(--navy); font-weight: 600; }
.link-danger { background: none; border: none; color: var(--red); font-weight: 600; font-size: 13.5px; cursor: pointer; padding: 0; }
.inline-form { display: inline; }

.stock-toggle-btn { border: none; border-radius: 999px; padding: 6px 14px; font-size: 12.5px; font-weight: 700; cursor: pointer; }
.stock-toggle-btn.is-in { background: var(--green-light); color: var(--green); }
.stock-toggle-btn.is-out { background: var(--red-light); color: var(--red); }

.status-select { border: 1px solid var(--gray-200); border-radius: 999px; padding: 6px 12px; font-size: 12.5px; font-weight: 700; cursor: pointer; background: var(--gray-50); color: var(--gray-800); }
.status-select.status-new { background: #fff7e6; color: #b8860b; }
.status-select.status-confirmed { background: #e8f0fe; color: #1a56db; }
.status-select.status-completed { background: var(--green-light); color: var(--green); }
.status-select.status-cancelled { background: var(--red-light); color: var(--red); }
.status-select.status-pending { background: #fff7e6; color: #b8860b; }
.status-select.status-done { background: var(--green-light); color: var(--green); }
.stock-badge.warn-badge { background: #fff7e6; color: #b8860b; }
.stock-badge { display: inline-block; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.stock-badge.in-stock { background: var(--green-light); color: var(--green); }
.stock-badge.low-stock { background: #fdf3e0; color: #b8790a; }
.stock-badge.out-stock { background: var(--red-light); color: var(--red); }

/* ---- Product form ---- */
.form-card { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 28px; max-width: 720px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 20px; }
.field-full { grid-column: 1 / -1; }
.current-image img { width: 90px; height: 90px; object-fit: cover; border-radius: 8px; margin-bottom: 10px; }
.field-hint { display: block; margin-top: 6px; font-size: 12px; color: var(--gray-600); }

@media (max-width: 800px) {
  .admin-shell { flex-direction: column; }
  .admin-sidebar { width: 100%; flex-direction: row; align-items: center; gap: 16px; }
  .admin-sidebar nav { flex-direction: row; }
  .sidebar-logout { margin-left: auto; }
  .admin-main { padding: 20px; }
  .form-grid { grid-template-columns: 1fr; }
}

/* ---- Inline product edit / photo upload (dashboard.php) ---- */
.admin-edit-actions { gap: 14px; flex-wrap: wrap; }
.admin-edit-actions { align-items: flex-start; }
.admin-edit-actions summary { cursor: pointer; color: var(--navy); font-weight: 600; list-style: none; }
.admin-edit-actions summary::-webkit-details-marker { display: none; }
.admin-edit-actions details[open] summary { color: var(--sun); }
.inline-edit-form { margin-top: 8px; background: #fbfbfd; border: 1px solid var(--gray-200); border-radius: 10px; box-shadow: var(--shadow); padding: 12px; display: flex; flex-direction: column; gap: 8px; width: 220px; max-width: 100%; }
.inline-edit-form input[type=text] { padding: 8px 10px; border: 1px solid var(--gray-200); border-radius: 6px; font-size: 13.5px; }
.inline-edit-form input[type=file] { font-size: 12.5px; }
.btn-sm { padding: 7px 14px; font-size: 13px; }