/* ============================================================
   NEXUS CRM — Design System
   Dark professional CRM for Agence Elio
   Primary accent: #55ffa9
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg-100: #060b14;
  --bg-200: #0d1424;
  --bg-300: #111d32;
  --bg-400: #162137;
  --bg-hover: #1e2d45;
  --border: #1e2d45;
  --border-strong: #2a3a56;
  --text-100: #e8edf5;
  --text-200: #8b9ab5;
  --text-300: #5a6a85;
  --accent: #55ffa9;
  --accent-dark: #38cc83;
  --accent-dim: rgba(85,255,169,.12);
  --accent-dim2: rgba(85,255,169,.06);
  --danger: #ff4d6a;
  --danger-dim: rgba(255,77,106,.12);
  --warning: #ffb347;
  --warning-dim: rgba(255,179,71,.12);
  --info: #4d9fff;
  --info-dim: rgba(77,159,255,.12);
  --sidebar-w: 260px;
  --topbar-h: 64px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,.4);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.3);
  --transition: .18s ease;
  --font: 'Poppins', system-ui, sans-serif;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg-100);
  color: var(--text-100);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: var(--font); }
input, select, textarea { font-family: var(--font); }

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-200); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-300); }

/* ╔══════════════════════════════════════════════════════════╗
   ║  LAYOUT                                                  ║
   ╚══════════════════════════════════════════════════════════╝ */

.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--bg-200);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 24px 24px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.logo-text {
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-300);
  padding: 16px 24px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
  color: var(--text-200);
  font-size: 14px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: var(--transition);
  position: relative;
}

.nav-item:hover {
  color: var(--text-100);
  background: var(--bg-hover);
  border-left-color: var(--border-strong);
}

.nav-item.active {
  color: var(--accent);
  background: var(--accent-dim2);
  border-left-color: var(--accent);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  stroke-width: 2;
}

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
}

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 12px 0;
  flex-shrink: 0;
}

.user-block {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  margin: 4px 8px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.user-block:hover { background: var(--bg-hover); }

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 13px; font-weight: 600; color: var(--text-100); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: var(--text-300); }

.logout-btn {
  background: none;
  border: none;
  color: var(--text-300);
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: flex;
  align-items: center;
}

.logout-btn:hover { color: var(--danger); background: var(--danger-dim); }
.logout-btn svg { width: 16px; height: 16px; }

/* ── Main Content ───────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: var(--topbar-h);
  background: var(--bg-200);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-100);
}

.topbar-actions { display: flex; align-items: center; gap: 12px; }

.page-content {
  padding: 28px 32px;
  flex: 1;
}

/* ╔══════════════════════════════════════════════════════════╗
   ║  COMPONENTS                                              ║
   ╚══════════════════════════════════════════════════════════╝ */

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1;
}

.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn-primary {
  background: var(--accent);
  color: #0d1424;
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(85,255,169,.3); }

.btn-secondary {
  background: transparent;
  color: var(--text-100);
  border: 1px solid var(--border-strong);
}
.btn-secondary:hover { background: var(--bg-hover); border-color: var(--text-300); }

.btn-danger {
  background: var(--danger-dim);
  color: var(--danger);
  border: 1px solid var(--danger);
}
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--text-200);
  border: none;
}
.btn-ghost:hover { color: var(--text-100); background: var(--bg-hover); }

.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--bg-300);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-100);
}

.card-subtitle {
  font-size: 13px;
  color: var(--text-200);
  margin-top: 2px;
}

/* ── Stat Cards ─────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-300);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}

.stat-card.accent::before { background: var(--accent); }
.stat-card.danger::before { background: var(--danger); }
.stat-card.info::before { background: var(--info); }
.stat-card.warning::before { background: var(--warning); }

.stat-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }

.stat-label {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-300);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-100);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-sub {
  font-size: 12px;
  color: var(--text-200);
}

.stat-icon {
  position: absolute;
  top: 20px; right: 20px;
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon.accent { background: var(--accent-dim); color: var(--accent); }
.stat-icon.danger { background: var(--danger-dim); color: var(--danger); }
.stat-icon.info { background: var(--info-dim); color: var(--info); }
.stat-icon.warning { background: var(--warning-dim); color: var(--warning); }
.stat-icon svg { width: 20px; height: 20px; }

/* ── Tables ─────────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-300);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-300);
  background: var(--bg-400);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  user-select: none;
}

thead th.sortable { cursor: pointer; }
thead th.sortable:hover { color: var(--text-100); }
thead th.sort-asc::after { content: ' ↑'; color: var(--accent); }
thead th.sort-desc::after { content: ' ↓'; color: var(--accent); }

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg-hover); }
tbody tr.clickable { cursor: pointer; }

td {
  padding: 13px 16px;
  color: var(--text-100);
  vertical-align: middle;
}

td.muted { color: var(--text-200); }

/* ── Status Badges ──────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

/* Ticket status */
.badge-ouvert { background: var(--info-dim); color: var(--info); border: 1px solid rgba(77,159,255,.3); }
.badge-attente { background: var(--warning-dim); color: var(--warning); border: 1px solid rgba(255,179,71,.3); }
.badge-resolu { background: var(--accent-dim); color: var(--accent); border: 1px solid rgba(85,255,169,.3); }
.badge-ferme { background: rgba(90,106,133,.15); color: var(--text-300); border: 1px solid var(--border); }

/* Priority */
.badge-faible { background: rgba(90,106,133,.15); color: var(--text-200); }
.badge-modere { background: var(--info-dim); color: var(--info); }
.badge-eleve { background: var(--warning-dim); color: var(--warning); }
.badge-urgent { background: var(--danger-dim); color: var(--danger); animation: pulse-urgent 1.5s infinite; }

/* Devis/Facture status */
.badge-brouillon { background: rgba(90,106,133,.15); color: var(--text-300); }
.badge-envoye { background: var(--info-dim); color: var(--info); }
.badge-accepte, .badge-payee { background: var(--accent-dim); color: var(--accent); }
.badge-refuse, .badge-annulee { background: var(--danger-dim); color: var(--danger); }
.badge-expire, .badge-retard { background: var(--warning-dim); color: var(--warning); }
.badge-partiel { background: rgba(255,179,71,.1); color: var(--warning); }

@keyframes pulse-urgent {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* ── Forms ──────────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-200);
  margin-bottom: 6px;
}

.form-label .required { color: var(--danger); margin-left: 3px; }

.form-control {
  width: 100%;
  background: var(--bg-400);
  border: 1px solid var(--border);
  color: var(--text-100);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 14px;
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-control::placeholder { color: var(--text-300); }

.form-control:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235a6a85' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; padding-right: 36px; }

textarea.form-control { resize: vertical; min-height: 100px; }

.form-error { color: var(--danger); font-size: 12px; margin-top: 4px; }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

/* Inline status select in table */
.status-select {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-100);
  padding: 4px 28px 4px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235a6a85' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 6px center;
  cursor: pointer;
  font-family: var(--font);
  transition: var(--transition);
}

.status-select:focus { outline: none; border-color: var(--accent); }

/* ── Search Bar ─────────────────────────────────────────────── */
.search-bar {
  position: relative;
  display: flex;
  align-items: center;
}

.search-bar svg {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  color: var(--text-300);
  pointer-events: none;
}

.search-bar input {
  background: var(--bg-400);
  border: 1px solid var(--border);
  color: var(--text-100);
  padding: 9px 14px 9px 38px;
  border-radius: var(--radius-md);
  font-size: 14px;
  width: 280px;
  transition: var(--transition);
  outline: none;
  font-family: var(--font);
}

.search-bar input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.search-bar input::placeholder { color: var(--text-300); }

/* ── Modal ──────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6,11,20,.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
  opacity: 0;
  transition: opacity .2s ease;
}

.modal-overlay.visible { opacity: 1; }

.modal {
  background: var(--bg-300);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
  transform: scale(.95) translateY(-10px);
  transition: transform .2s ease;
}

.modal-overlay.visible .modal { transform: scale(1) translateY(0); }

.modal-lg { max-width: 800px; }
.modal-sm { max-width: 400px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-title { font-size: 16px; font-weight: 600; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-300);
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: flex;
  align-items: center;
}

.modal-close:hover { color: var(--danger); background: var(--danger-dim); }
.modal-close svg { width: 20px; height: 20px; }

.modal-body { padding: 24px; }

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ── Toast ──────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 360px;
}

.toast {
  background: var(--bg-300);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  box-shadow: var(--shadow);
  animation: toast-in .25s ease;
  position: relative;
  overflow: hidden;
}

.toast::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
}

.toast.success::before { background: var(--accent); }
.toast.error::before { background: var(--danger); }
.toast.warning::before { background: var(--warning); }
.toast.info::before { background: var(--info); }

.toast-icon { width: 20px; height: 20px; flex-shrink: 0; margin-top: 1px; }
.toast.success .toast-icon { color: var(--accent); }
.toast.error .toast-icon { color: var(--danger); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--info); }

.toast-text { flex: 1; font-size: 13px; color: var(--text-100); }
.toast-title { font-weight: 600; margin-bottom: 2px; }
.toast-msg { color: var(--text-200); }

.toast-dismiss {
  background: none; border: none; color: var(--text-300);
  padding: 0; cursor: pointer; font-size: 18px; line-height: 1;
  transition: var(--transition);
}
.toast-dismiss:hover { color: var(--text-100); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ── Dividers & Helpers ─────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-200); }
.text-sm { font-size: 13px; }
.text-xs { font-size: 11px; }
.fw-600 { font-weight: 600; }
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

/* ── Empty State ────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-300);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  opacity: 0.4;
}

.empty-state h3 { font-size: 16px; font-weight: 600; color: var(--text-200); margin-bottom: 8px; }
.empty-state p { font-size: 14px; }

/* ── Chart containers ───────────────────────────────────────── */
.chart-container {
  position: relative;
  height: 280px;
}

.chart-container-sm { height: 200px; }
.chart-container-lg { height: 360px; }

.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

/* ── Dynamic lines table (Devis/Facture) ────────────────────── */
.lines-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 12px;
}

.lines-table th {
  padding: 8px 10px;
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-300);
  background: var(--bg-400);
  border-bottom: 1px solid var(--border);
}

.lines-table td { padding: 6px 6px; vertical-align: middle; }

.lines-table td input, .lines-table td select {
  width: 100%;
  background: var(--bg-400);
  border: 1px solid var(--border);
  color: var(--text-100);
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  transition: var(--transition);
}

.lines-table td input:focus, .lines-table td select:focus {
  border-color: var(--accent);
}

.lines-table .line-total { font-weight: 600; color: var(--accent); text-align: right; padding-right: 10px; }

.totals-box {
  background: var(--bg-400);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  min-width: 280px;
  margin-left: auto;
}

.totals-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 14px;
}

.totals-row.total-ttc {
  border-top: 1px solid var(--border);
  margin-top: 6px;
  padding-top: 12px;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
}

/* ── Filters bar ────────────────────────────────────────────── */
.filters-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.filter-chip {
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--border);
  color: var(--text-200);
  background: var(--bg-400);
  cursor: pointer;
  transition: var(--transition);
}

.filter-chip:hover { border-color: var(--accent); color: var(--accent); }
.filter-chip.active { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

/* ── Responses thread ───────────────────────────────────────── */
.response-thread { display: flex; flex-direction: column; gap: 16px; }

.response-item {
  background: var(--bg-400);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.response-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.response-author {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

.response-date { font-size: 12px; color: var(--text-300); }
.response-content { font-size: 14px; color: var(--text-100); white-space: pre-wrap; }

/* ── Detail page layout ─────────────────────────────────────── */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
  align-items: start;
}

.detail-sidebar { display: flex; flex-direction: column; gap: 16px; }

.info-block { margin-bottom: 16px; }
.info-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-300); margin-bottom: 4px; }
.info-value { font-size: 14px; color: var(--text-100); }

/* ── Page header ────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-header-title { font-size: 22px; font-weight: 700; }
.page-header-sub { font-size: 13px; color: var(--text-200); margin-top: 2px; }

/* ── Back button ────────────────────────────────────────────── */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-200);
  font-size: 13px;
  margin-bottom: 16px;
  transition: var(--transition);
  background: none;
  border: none;
}
.back-btn:hover { color: var(--accent); }
.back-btn svg { width: 16px; height: 16px; }

/* ── Loading spinner ────────────────────────────────────────── */
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 40px auto;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

/* ╔══════════════════════════════════════════════════════════╗
   ║  LOGIN PAGE                                              ║
   ╚══════════════════════════════════════════════════════════╝ */

body.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-100);
  position: relative;
  overflow: hidden;
}

body.login-page::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(85,255,169,.06) 0%, transparent 70%);
  top: -100px; left: -100px;
  pointer-events: none;
}

body.login-page::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(77,159,255,.04) 0%, transparent 70%);
  bottom: -50px; right: -50px;
  pointer-events: none;
}

.login-card {
  background: var(--bg-200);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow);
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo .logo-text {
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
}

.login-logo p {
  font-size: 13px;
  color: var(--text-300);
  margin-top: 4px;
}

.login-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text-100);
}

.login-card .btn-primary {
  width: 100%;
  justify-content: center;
  padding: 12px;
  font-size: 15px;
  margin-top: 8px;
}

.login-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: var(--text-300);
}

.login-footer a { color: var(--accent); }

/* Password toggle */
.input-group { position: relative; }
.input-group .form-control { padding-right: 44px; }
.input-group-btn {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  background: none; border: none;
  color: var(--text-300);
  cursor: pointer;
  padding: 4px;
  transition: var(--transition);
}
.input-group-btn:hover { color: var(--text-100); }
.input-group-btn svg { width: 18px; height: 18px; }

/* 2FA step */
.totp-input {
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 10px;
  padding: 16px;
}

/* ── Autocomplete dropdown ──────────────────────────────────── */
.autocomplete-wrapper { position: relative; }

.autocomplete-dropdown {
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: var(--bg-300);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  max-height: 200px;
  overflow-y: auto;
  z-index: 200;
  box-shadow: var(--shadow);
  margin-top: 4px;
}

.autocomplete-item {
  padding: 10px 14px;
  cursor: pointer;
  font-size: 14px;
  transition: background var(--transition);
}

.autocomplete-item:hover { background: var(--bg-hover); }
.autocomplete-item .sub { font-size: 11px; color: var(--text-300); }

/* ── Date filter (Stats page) ───────────────────────────────── */
.date-range-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-300);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.date-range-bar label { font-size: 13px; color: var(--text-200); }
.date-range-bar input[type="date"] {
  background: var(--bg-400);
  border: 1px solid var(--border);
  color: var(--text-100);
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  color-scheme: dark;
}
.date-range-bar input[type="date"]:focus { border-color: var(--accent); }

/* ── Payment table ──────────────────────────────────────────── */
.payment-row { font-size: 13px; }
.payment-row td { padding: 10px 16px; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --sidebar-w: 220px; }
  .page-content { padding: 20px; }
  .topbar { padding: 0 20px; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform .25s ease; }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .detail-layout { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-grid { grid-template-columns: 1fr; }
}