/* ============================================================
   FrontReach Mail - Main Stylesheet
   ============================================================ */

:root {
  --primary: #1565C0;
  --primary-dark: #0D47A1;
  --primary-light: #1976D2;
  --accent: #2979FF;
  --accent-light: #E3F2FD;
  --success: #00C853;
  --success-bg: #E8F5E9;
  --warning: #FF6D00;
  --warning-bg: #FFF3E0;
  --danger: #D32F2F;
  --danger-bg: #FFEBEE;
  --info: #0288D1;
  --info-bg: #E1F5FE;
  --dark: #0A1628;
  --dark-secondary: #1A2540;
  --sidebar-bg: #0D1B35;
  --text-primary: #1A2540;
  --text-secondary: #5A6478;
  --text-muted: #8A95A3;
  --border: #E2E8F0;
  --bg-main: #F0F4FB;
  --bg-card: #FFFFFF;
  --shadow: 0 2px 12px rgba(21, 101, 192, 0.08);
  --shadow-lg: 0 8px 32px rgba(21, 101, 192, 0.14);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.22s cubic-bezier(.4,0,.2,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

a { text-decoration: none; color: var(--primary); }
a:hover { color: var(--primary-dark); }

/* ── Layout ──────────────────────────────────────────── */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────── */
.sidebar {
  width: 250px;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 1000;
  transition: var(--transition);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-brand {
  padding: 24px 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  font-size: 15px;
  letter-spacing: -1px;
  flex-shrink: 0;
}

.brand-text { line-height: 1.2; }
.brand-text .brand-name { color: #fff; font-weight: 700; font-size: 15px; }
.brand-text .brand-sub { color: rgba(255,255,255,0.45); font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; }

.sidebar-nav { flex: 1; padding: 16px 0; }

.nav-section {
  padding: 8px 16px 4px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-top: 8px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 20px;
  color: rgba(255,255,255,0.65);
  font-size: 13.5px;
  font-weight: 500;
  border-radius: 0;
  transition: var(--transition);
  position: relative;
  margin: 1px 0;
}

.sidebar-nav a:hover {
  color: #fff;
  background: rgba(255,255,255,0.07);
}

.sidebar-nav a.active {
  color: #fff;
  background: linear-gradient(90deg, rgba(25, 118, 210, 0.35) 0%, rgba(25, 118, 210, 0.1) 100%);
  border-left: 3px solid var(--primary-light);
  padding-left: 17px;
}

.sidebar-nav a .nav-icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-footer .admin-info {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.admin-avatar {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}

.admin-name { color: #fff; font-size: 13px; font-weight: 600; }
.admin-role { color: rgba(255,255,255,0.4); font-size: 11px; }

.btn-logout {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 12px;
  background: rgba(211,47,47,0.15);
  border: 1px solid rgba(211,47,47,0.3);
  border-radius: var(--radius-sm);
  color: #ef9a9a;
  font-size: 12.5px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-logout:hover { background: rgba(211,47,47,0.25); color: #fff; }

/* ── Main Content ────────────────────────────────────── */
.main-content {
  margin-left: 250px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 6px rgba(0,0,0,0.05);
}

.page-title { font-size: 18px; font-weight: 700; color: var(--text-primary); }
.page-subtitle { font-size: 12px; color: var(--text-muted); margin-top: 1px; }

.topbar-right { display: flex; align-items: center; gap: 14px; }

.daily-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-light);
  border: 1px solid rgba(21,101,192,0.2);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
}

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

/* ── Cards ───────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
}

.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body { padding: 24px; }

/* ── Stat Cards ──────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: var(--transition);
}

.stat-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-1px); }

.stat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.stat-icon.blue { background: var(--accent-light); }
.stat-icon.green { background: var(--success-bg); }
.stat-icon.orange { background: var(--warning-bg); }
.stat-icon.red { background: var(--danger-bg); }
.stat-icon.purple { background: #F3E5F5; }

.stat-value { font-size: 26px; font-weight: 800; color: var(--text-primary); line-height: 1.1; }
.stat-label { font-size: 12px; color: var(--text-muted); font-weight: 500; margin-top: 3px; }
.stat-change { font-size: 11px; font-weight: 600; margin-top: 4px; }
.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 2px 8px rgba(21,101,192,0.25);
}
.btn-primary:hover { box-shadow: 0 4px 16px rgba(21,101,192,0.4); transform: translateY(-1px); color: #fff; }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #00B248; color: #fff; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #B71C1C; color: #fff; }

.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #E65100; color: #fff; }

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--accent-light); }

.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: 6px; }
.btn-lg { padding: 13px 28px; font-size: 15px; }
.btn-icon { padding: 8px; border-radius: 8px; aspect-ratio: 1; }

/* ── Forms ───────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.form-label .required { color: var(--danger); margin-left: 2px; }

.form-control {
  width: 100%;
  padding: 9px 13px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-primary);
  background: #fff;
  transition: var(--transition);
  outline: none;
  font-family: inherit;
}

.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(21,101,192,0.1); }
.form-control::placeholder { color: var(--text-muted); }

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

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }

.form-hint { font-size: 11.5px; color: var(--text-muted); margin-top: 4px; }
.form-error { font-size: 11.5px; color: var(--danger); margin-top: 4px; }

/* ── Tables ──────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  padding: 11px 16px;
  background: var(--bg-main);
  border-bottom: 2px solid var(--border);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  text-align: left;
  white-space: nowrap;
}

tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
  color: var(--text-primary);
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #F8FAFF; }

/* ── Badges ──────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.badge-success { background: var(--success-bg); color: #1B5E20; }
.badge-danger { background: var(--danger-bg); color: #B71C1C; }
.badge-warning { background: var(--warning-bg); color: #E65100; }
.badge-info { background: var(--info-bg); color: #0277BD; }
.badge-primary { background: var(--accent-light); color: var(--primary-dark); }
.badge-secondary { background: var(--bg-main); color: var(--text-secondary); border: 1px solid var(--border); }

/* ── Progress ────────────────────────────────────────── */
.progress-bar {
  background: var(--border);
  border-radius: 99px;
  height: 7px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.6s ease;
}

/* ── Alerts ──────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  border-left: 4px solid;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.alert-success { background: var(--success-bg); border-color: var(--success); color: #1B5E20; }
.alert-danger { background: var(--danger-bg); border-color: var(--danger); color: #B71C1C; }
.alert-warning { background: var(--warning-bg); border-color: var(--warning); color: #E65100; }
.alert-info { background: var(--info-bg); border-color: var(--info); color: #0277BD; }

/* ── Modal ───────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,22,40,0.55);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(3px);
}
.modal-overlay.open { display: flex; }

.modal {
  background: #fff;
  border-radius: var(--radius);
  width: 90%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.22s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(-10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

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

.modal-title { font-size: 16px; font-weight: 700; }
.modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text-muted); transition: var(--transition); }
.modal-close:hover { color: var(--danger); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* ── Toast ───────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 13px 18px;
  border-radius: var(--radius-sm);
  background: var(--dark);
  color: #fff;
  font-size: 13.5px;
  font-weight: 500;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 260px;
  max-width: 380px;
  animation: toastIn 0.25s ease;
}
.toast.success { background: #1B5E20; }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); color: #fff; }

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

/* ── Email Editor ────────────────────────────────────── */
.editor-toolbar {
  background: var(--bg-main);
  border: 1.5px solid var(--border);
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  padding: 8px 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

.editor-toolbar button {
  padding: 5px 9px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 5px;
  cursor: pointer;
  font-size: 13px;
  transition: var(--transition);
  color: var(--text-secondary);
}
.editor-toolbar button:hover { background: var(--accent-light); color: var(--primary); border-color: var(--primary); }
.editor-toolbar .divider { width: 1px; height: 20px; background: var(--border); margin: 0 2px; }

.editor-area {
  border: 1.5px solid var(--border);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  min-height: 350px;
  padding: 16px;
  outline: none;
  font-size: 14px;
  line-height: 1.6;
  background: #fff;
}

/* ── Tabs ────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 24px;
}

.tab-btn {
  padding: 10px 20px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-btn:hover { color: var(--primary); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Pagination ──────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.page-btn {
  min-width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  border: 1.5px solid var(--border);
  background: #fff;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  padding: 0 8px;
}
.page-btn:hover, .page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn.disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Login Page ──────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #0D1B35 0%, #1565C0 50%, #0A1628 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: #fff;
  border-radius: 18px;
  width: 100%;
  max-width: 420px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}

.login-header {
  background: linear-gradient(135deg, #0D1B35, #1565C0);
  padding: 36px 32px 28px;
  text-align: center;
}

.login-logo {
  width: 60px;
  height: 60px;
  background: rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 16px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  font-size: 18px;
}

.login-header h1 { color: #fff; font-size: 22px; font-weight: 800; }
.login-header p { color: rgba(255,255,255,0.6); font-size: 12px; margin-top: 4px; letter-spacing: 2px; text-transform: uppercase; }
.login-body { padding: 32px; }

/* ── Empty State ─────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}
.empty-icon { font-size: 52px; margin-bottom: 14px; opacity: 0.4; }
.empty-title { font-size: 17px; font-weight: 700; color: var(--text-primary); }
.empty-text { font-size: 13px; color: var(--text-muted); margin-top: 6px; }

/* ── Chart Container ─────────────────────────────────── */
.chart-container { position: relative; height: 220px; }

/* ── Search Bar ──────────────────────────────────────── */
.search-box {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.search-box input {
  padding-left: 36px;
  min-width: 220px;
}
.search-icon {
  position: absolute;
  left: 11px;
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}

/* ── Utility ─────────────────────────────────────────── */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.text-sm { font-size: 12px; }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.w-full { width: 100%; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .sidebar { width: 60px; }
  .sidebar-brand .brand-text,
  .sidebar-nav a span,
  .sidebar-footer .admin-info .admin-name,
  .sidebar-footer .admin-info .admin-role,
  .sidebar-footer .btn-logout span,
  .nav-section { display: none; }
  .sidebar-brand { padding: 18px 10px; justify-content: center; }
  .sidebar-nav a { justify-content: center; padding: 12px; }
  .sidebar-nav a.active { border-left: none; border-right: 3px solid var(--primary-light); padding: 12px; }
  .sidebar-footer .admin-info { justify-content: center; }
  .main-content { margin-left: 60px; }
}

@media (max-width: 768px) {
  .form-row, .form-row.cols-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-content { padding: 16px; }
  .topbar { padding: 0 16px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .modal { width: 95%; }
}