*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --saffron: #e8720c; --earth: #5c3a1e; --cream: #fdf6e3;
  --surface: #ffffff; --text-dark: #2d1b0e; --text-mid: #8a6a50;
  --bg: #f5ede0; --sidebar-bg: #1a0e05; --sidebar-text: #f5e6d0;
  --sidebar-accent: rgba(232,114,12,0.18); --border: rgba(92,58,30,0.15);
  --success: #27ae60; --error: #c0392b; --warning: #e67e22;
}
body { font-family: 'Nunito', sans-serif; background: var(--bg); color: var(--text-dark); min-height: 100vh; }

/* ── Layout ── */
.admin-layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px; flex-shrink: 0; background: var(--sidebar-bg);
  display: flex; flex-direction: column; min-height: 100vh;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 100;
  transition: transform 0.3s;
}
.sidebar.closed { transform: translateX(-240px); }
.main-content { margin-left: 240px; flex: 1; display: flex; flex-direction: column; min-height: 100vh; transition: margin-left 0.3s; }
.main-content.expanded { margin-left: 0; }

/* ── Sidebar ── */
.sidebar-logo { padding: 1.5rem 1.2rem 1.2rem; border-bottom: 1px solid rgba(255,255,255,0.06); display: flex; align-items: center; gap: 0.75rem; }
.sidebar-logo .om { font-size: 2rem; color: var(--saffron); line-height: 1; }
.sidebar-logo h2 { font-family: 'Cinzel', serif; font-size: 0.85rem; color: var(--sidebar-text); font-weight: 700; }
.sidebar-logo h2 span { color: var(--saffron); }
.sidebar-logo small { font-size: 0.6rem; color: rgba(245,230,208,0.5); text-transform: uppercase; letter-spacing: 0.1em; }
.nav-section { padding: 1rem 0.75rem 0.25rem; }
.nav-label { font-size: 0.58rem; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(245,230,208,0.35); font-weight: 700; padding: 0 0.5rem; margin-bottom: 0.3rem; }
.nav-item {
  display: flex; align-items: center; gap: 0.6rem; padding: 0.55rem 0.75rem;
  border-radius: 8px; color: rgba(245,230,208,0.7); text-decoration: none;
  font-size: 0.85rem; font-weight: 600; cursor: pointer;
  transition: background 0.15s, color 0.15s; margin-bottom: 0.1rem;
}
.nav-item:hover { background: var(--sidebar-accent); color: var(--sidebar-text); }
.nav-item.active { background: var(--saffron); color: #fff; }
.nav-icon { font-size: 1rem; width: 1.2rem; text-align: center; }
.nav-badge { margin-left: auto; background: var(--saffron); color: #fff; border-radius: 10px; font-size: 0.65rem; padding: 0.1rem 0.45rem; font-weight: 700; }
.sidebar-user { margin-top: auto; padding: 1rem 1.2rem; border-top: 1px solid rgba(255,255,255,0.06); display: flex; align-items: center; gap: 0.75rem; }
.user-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--saffron); display: flex; align-items: center; justify-content: center; font-family: 'Cinzel', serif; font-weight: 700; font-size: 0.9rem; color: #fff; flex-shrink: 0; }
.user-name { font-size: 0.82rem; color: var(--sidebar-text); font-weight: 700; }
.user-role { font-size: 0.65rem; color: rgba(245,230,208,0.45); text-transform: uppercase; letter-spacing: 0.08em; }

/* ── Topbar ── */
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.5rem; background: var(--cream); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; gap: 1rem; }
.topbar h1 { font-family: 'Cinzel', serif; font-size: 1.1rem; color: var(--earth); font-weight: 700; }
.topbar-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.hamburger { display: none; background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--earth); padding: 0.2rem; }

/* ── Page body ── */
.page-body { padding: 1.5rem; flex: 1; }
.page { display: none; }
.page.active { display: block; }

/* ── Cards ── */
.card { background: var(--cream); border-radius: 14px; border: 1px solid var(--border); overflow: hidden; }
.card-header { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.5rem; border-bottom: 1px solid var(--border); }
.card-title { font-family: 'Cinzel', serif; font-size: 0.8rem; font-weight: 700; color: var(--earth); letter-spacing: 0.08em; text-transform: uppercase; }
.card-body { padding: 1.5rem; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.55rem 1.1rem; border-radius: 8px; font-family: 'Nunito', sans-serif; font-size: 0.78rem; font-weight: 700; cursor: pointer; border: none; transition: opacity 0.15s, transform 0.1s; letter-spacing: 0.04em; text-decoration: none; }
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--saffron); color: #fff; }
.btn-primary:hover { opacity: 0.88; }
.btn-ghost { background: transparent; color: var(--earth); border: 1.5px solid var(--border); }
.btn-ghost:hover { background: rgba(92,58,30,0.06); }
.btn-danger { background: var(--error); color: #fff; }
.btn-danger:hover { opacity: 0.88; }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.72rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Stats grid ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card { background: var(--cream); border: 1px solid var(--border); border-radius: 14px; padding: 1.2rem 1.4rem; display: flex; flex-direction: column; gap: 0.3rem; }
.stat-icon { font-size: 1.5rem; }
.stat-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-mid); font-weight: 700; }
.stat-value { font-family: 'Cinzel', serif; font-size: 1.8rem; font-weight: 700; color: var(--earth); }
.stat-sub { font-size: 0.72rem; color: var(--text-mid); }
.stat-up { color: var(--success); font-weight: 700; }

/* ── Forms ── */
.form-field { margin-bottom: 1rem; }
.form-field label { display: block; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-mid); font-weight: 700; margin-bottom: 0.4rem; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 0.65rem 0.9rem;
  border: 1.5px solid var(--border); border-radius: 8px;
  font-family: 'Nunito', sans-serif; font-size: 0.9rem;
  color: var(--text-dark); background: var(--surface); outline: none;
  transition: border-color 0.2s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--saffron); }
.form-field textarea { resize: vertical; line-height: 1.6; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ── Toggle ── */
.toggle-row { display: flex; align-items: center; justify-content: space-between; padding: 0.6rem 0; }
.toggle-label { font-size: 0.85rem; font-weight: 700; color: var(--text-dark); }
.toggle-sub { font-size: 0.72rem; color: var(--text-mid); }
.toggle-switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; inset: 0; background: #ccc; border-radius: 24px; cursor: pointer; transition: background 0.2s; }
.toggle-slider::before { content: ''; position: absolute; height: 18px; width: 18px; left: 3px; bottom: 3px; background: #fff; border-radius: 50%; transition: transform 0.2s; }
.toggle-switch input:checked + .toggle-slider { background: var(--saffron); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ── Table ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
th { font-family: 'Cinzel', serif; font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-mid); font-weight: 700; padding: 0.7rem 1rem; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 0.75rem 1rem; border-bottom: 1px solid rgba(92,58,30,0.06); vertical-align: middle; }
tr:hover td { background: rgba(253,246,227,0.6); }
tr:last-child td { border-bottom: none; }
/* Sortable column headers */
.sortable-col { cursor: pointer; user-select: none; }
.sortable-col:hover { color: var(--saffron); background: rgba(232,114,12,0.05); }
.sort-icon { font-size: 0.65rem; opacity: 0.45; margin-left: 2px; transition: opacity 0.15s; }
.sortable-col:hover .sort-icon { opacity: 0.8; }
.sortable-col.sort-asc .sort-icon::before  { content: '▲'; color: var(--saffron); opacity: 1; }
.sortable-col.sort-desc .sort-icon::before { content: '▼'; color: var(--saffron); opacity: 1; }
.sortable-col.sort-asc .sort-icon,
.sortable-col.sort-desc .sort-icon { opacity: 1; }

/* ── Badges ── */
.badge { display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.2rem 0.6rem; border-radius: 20px; font-size: 0.68rem; font-weight: 700; }
.badge-paid { background: rgba(39,174,96,0.12); color: var(--success); }
.badge-pending { background: rgba(230,126,34,0.12); color: var(--warning); }
.badge-failed { background: rgba(192,57,43,0.12); color: var(--error); }
.badge-active { background: rgba(39,174,96,0.12); color: var(--success); }
.badge-inactive { background: rgba(192,57,43,0.12); color: var(--error); }
.ref-tag { font-family: 'Cinzel', serif; font-size: 0.72rem; color: var(--earth); font-weight: 700; }

/* ── Zone cards ── */
.zone-card { border: 1.5px solid var(--border); border-radius: 10px; margin-bottom: 0.75rem; overflow: hidden; }
.zone-card-header { display: flex; align-items: center; gap: 0.75rem; background: rgba(253,246,227,0.7); padding: 0.7rem 1rem; border-bottom: 1px solid rgba(92,58,30,0.08); }
.zone-card-header label { font-family: 'Cinzel', serif; font-size: 0.78rem; font-weight: 700; color: var(--earth); cursor: pointer; }
.zone-card-body { padding: 0.9rem 1rem; display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; transition: opacity 0.2s; }
.zone-card-body.disabled { opacity: 0.4; pointer-events: none; }
.zone-card-body .full { grid-column: 1/-1; }

/* ── Alert/toast ── */
.toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 9999;
  background: var(--earth); color: #fff; padding: 0.8rem 1.2rem;
  border-radius: 10px; font-size: 0.85rem; font-weight: 600;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25); opacity: 0;
  transform: translateY(12px); transition: all 0.3s;
  max-width: 320px; display: flex; align-items: center; gap: 0.6rem;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { background: var(--success); }
.toast.error { background: var(--error); }

/* ── Misc ── */
.section-title { font-family: 'Cinzel', serif; font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--earth); font-weight: 700; margin-bottom: 0.4rem; margin-top: 1.5rem; }
.section-sub { font-size: 0.79rem; color: var(--text-mid); margin-bottom: 1rem; line-height: 1.5; }
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-mid); }
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.empty-state p { font-size: 0.85rem; }
.spinner { display: inline-block; width: 20px; height: 20px; border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff; border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-240px); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .hamburger { display: block; }
  .form-row-2 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .zone-card-body { grid-template-columns: 1fr; }
  .zone-card-body .full { grid-column: 1; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .page-body { padding: 1rem; }
  .topbar { padding: 0.75rem 1rem; }
}