:root {
  --bg: #07111f;
  --bg-strong: #0b1220;
  --bg-soft: #101b2d;
  --panel: rgba(15, 23, 42, 0.86);
  --panel-strong: rgba(15, 23, 42, 0.96);
  --panel-soft: rgba(30, 41, 59, 0.66);
  --sidebar: linear-gradient(180deg, rgba(11, 17, 31, 0.96), rgba(19, 27, 46, 0.94));
  --sidebar-contrast: rgba(249, 115, 22, 0.18);
  --text: #edf4ff;
  --text-soft: #acc2db;
  --muted: #8aa0bc;
  --border: rgba(148, 163, 184, 0.18);
  --shadow: 0 24px 60px rgba(2, 8, 23, 0.45);
  --primary: #fb923c;
  --primary-2: #f97316;
  --primary-3: #ea580c;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --info: #fb923c;
  --card-glow: rgba(249, 115, 22, 0.2);
  --input: rgba(15, 23, 42, 0.8);
  --header: rgba(15, 23, 42, 0.8);
  --badge-soft: rgba(148, 163, 184, 0.12);
  --body-text: #f8fafc;
  --heading-text: #f8fafc;
  --card-text: #f1f5f9;
  --muted-text: #cbd5e1;
  --control-text: #f8fafc;
  --control-placeholder: #94a3b8;
  --surface-deep: #0f172a;
  --surface-raised: #162235;
  --bs-body-color: #f8fafc;
  --bs-body-bg: #07111f;
  --bs-emphasis-color: #ffffff;
  --bs-secondary-color: #cbd5e1;
  --bs-tertiary-color: #94a3b8;
  --bs-card-color: #f1f5f9;
  --bs-heading-color: #f8fafc;
  --bs-border-color: rgba(148, 163, 184, 0.22);
  --primary: #f97316;
  --primary-2: #f97316;
  --primary-3: #ea580c;
  --info: #f97316;
  --card-glow: rgba(249, 115, 22, 0.16);
  --sidebar-contrast: rgba(249, 115, 22, 0.18);
  --bs-primary: #f97316;
  --bs-primary-rgb: 249, 115, 22;
  --bs-link-color: #ea580c;
  --bs-link-hover-color: #c2410c;
}

html {
  background: var(--bg);
}

body {
  background:
    radial-gradient(circle at top left, rgba(125, 211, 252, 0.12), transparent 30%),
    radial-gradient(circle at bottom right, rgba(167, 139, 250, 0.12), transparent 30%),
    var(--bg);
  color: var(--body-text);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  transition: background 0.35s ease, color 0.35s ease;
}

body, .container-fluid, .row, .col-md-9, .col-lg-10 {
  background: transparent;
}

* { box-sizing: border-box; }

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }

.card,
.table,
.list-group,
.form-control,
.form-select,
.input-group-text,
.modal-content,
.dropdown-menu,
.btn,
.alert,
.pagination .page-link,
.stat-card,
.filter-card,
.category-card,
.add-card,
.email-item,
.recent-item {
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease, color 0.25s ease;
}

.card,
.table-responsive,
.list-group,
.modal-content,
.dropdown-menu,
.filter-card,
.category-card,
.add-card,
.email-list-card,
.recent-item {
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.card,
.category-card,
.filter-card,
.add-card,
.email-list-card {
  border-radius: 18px;
  overflow: hidden;
}

.sidebar {
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  box-shadow: 20px 0 45px rgba(15, 23, 42, 0.18);
}

.brand-text {
  color: #ffffff;
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-shadow: 0 0 15px rgba(52, 152, 219, 0.4);
  margin-bottom: 0;
}

.brand-subtitle {
  font-size: 9px;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 2px;
  font-weight: 600;
}

.sidebar .nav-link {
  color: rgba(255, 255, 255, 0.74) !important;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
  background: var(--sidebar-contrast);
  border-color: rgba(125, 211, 252, 0.18);
  color: #ffffff !important;
  box-shadow: 0 12px 24px rgba(96, 165, 250, 0.15);
}

.admin-sidebar .nav-link[href="dashboard.php"],
.admin-sidebar .nav-link[href="import.php"],
.admin-sidebar .nav-link[href="emails.php"],
.admin-sidebar .nav-link[href="emails.php?admin_mode=1"],
.admin-sidebar .nav-link[href="categories.php"],
.admin-sidebar .nav-link[href="filters.php"],
.admin-sidebar .nav-link[href="keywords.php"],
.admin-sidebar .nav-link[href="users.php"] {
  display: none;
}

.main-content,
.main-panel {
  padding: 32px 30px 36px;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--heading-text);
  letter-spacing: -0.02em;
}

.text-muted,
.small,
label,
.form-label,
.text-muted small {
  color: var(--muted-text) !important;
}

.card,
.card-body,
.card-header,
.card-footer,
.table,
.table tbody td,
.table tbody th,
.list-group-item,
.modal-content,
.filter-card,
.category-card,
.add-card,
.email-list-card,
.email-item,
.recent-item,
.keyword-badge,
.rule-item {
  color: var(--card-text);
}

.form-control,
.form-select,
.input-group-text,
textarea {
  background: var(--input);
  color: var(--control-text);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.form-control::placeholder,
textarea::placeholder {
  color: var(--control-placeholder);
  opacity: 1;
}

.form-select option {
  background: var(--surface-deep);
  color: var(--control-text);
}

.form-control:focus,
.form-select:focus,
textarea:focus {
  border-color: rgba(125, 211, 252, 0.8);
  box-shadow: 0 0 0 0.2rem rgba(125, 211, 252, 0.17);
  background: var(--input);
  color: var(--control-text);
}

.btn {
  border-radius: 12px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-2), var(--primary-3));
  border: none;
  box-shadow: 0 15px 25px rgba(96, 165, 250, 0.25);
}

.btn-success {
  background: linear-gradient(135deg, #10b981, #34d399);
  border: none;
}

.btn-outline-danger,
.btn-outline-secondary,
.btn-outline-warning,
.btn-outline-info {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.alert {
  border: 1px solid rgba(125, 211, 252, 0.24);
  background: rgba(15, 23, 42, 0.7);
  color: var(--text);
  border-radius: 14px;
}

.alert-success { border-color: rgba(52, 211, 153, 0.4); }
.alert-danger { border-color: rgba(248, 113, 113, 0.4); }
.alert-info { border-color: rgba(96, 165, 250, 0.4); }

.table thead th {
  background: rgba(148, 163, 184, 0.08);
  color: var(--text-soft);
  border-bottom: 1px solid var(--border);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.table tbody td,
.table tbody tr {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.table a,
.card a,
.list-group-item a {
  color: var(--primary);
}

.text-dark,
.text-body,
.text-black {
  color: var(--body-text) !important;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
  background: rgba(148, 163, 184, 0.03);
}

.badge {
  padding: 0.5rem 0.7rem;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.badge:not([class*="bg-"]),
.keyword-badge,
.rule-item,
.cat-tag {
  color: var(--card-text);
}

.rule-item,
.rule-item .rule-label,
.rule-item .keyword-label {
  color: #f8fafc !important;
}

.keyword-badge .text-dark {
  color: #f8fafc !important;
}

.rule-item .cat-tag {
  color: #ffffff !important;
}

.badge.bg-primary,
.badge.bg-success,
.badge.bg-danger,
.badge.bg-secondary,
.badge.bg-info {
  color: #ffffff !important;
}

.badge.bg-warning {
  color: #111827 !important;
}

.dropdown-menu,
.dropdown-item,
.modal-content,
.modal-header,
.modal-footer {
  background-color: var(--surface-raised);
  color: var(--card-text);
  border-color: var(--border);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: var(--sidebar-contrast);
  color: var(--heading-text);
}

.btn-close {
  filter: none;
}

.nav-tabs {
  border-bottom: 1px solid var(--border);
}

.nav-tabs .nav-link {
  color: var(--text-soft);
  background: transparent;
  border: 1px solid transparent;
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
}

.nav-tabs .nav-link.active {
  color: var(--text);
  background: var(--panel);
  border-color: var(--border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}

.tab-pane {
  animation: fadeUp 0.32s ease;
}

.sidebar-toggle,
.sidebar-backdrop {
  display: none;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  body.sidebar-open { overflow: hidden; }

  .sidebar-toggle {
    display: inline-flex;
    position: fixed;
    top: 14px;
    left: 14px;
    z-index: 2100;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface-raised);
    color: var(--heading-text);
    box-shadow: var(--shadow);
  }

  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1990;
    background: rgba(2, 8, 23, 0.72);
  }

  body.sidebar-open .sidebar-backdrop { display: block; }

  .sidebar {
    position: fixed !important;
    inset: 0 auto 0 0;
    z-index: 2000;
    width: min(82vw, 300px) !important;
    min-height: 100vh;
    overflow-y: auto;
    transform: translateX(-105%);
    transition: transform 0.25s ease;
  }

  body.sidebar-open .sidebar { transform: translateX(0); }

  .main-content,
  .main-panel {
    width: 100%;
    padding: 76px 14px 28px;
  }

  .stats-grid {
    display: flex;
    flex-direction: column;
  }

  .stats-grid > [class*="col-"] {
    width: 100%;
  }

  .table-responsive table {
    min-width: 640px;
  }
}

@media (min-width: 769px) and (max-width: 991.98px) {
  .sidebar { padding-bottom: 20px; }

  .main-content,
  .main-panel {
    padding-left: 22px;
    padding-right: 22px;
  }

  .stats-grid > [class*="col-"] {
    width: 50%;
  }

  .table-responsive table { min-width: 700px; }
}

body { color: var(--body-text) !important; }
h1, h2, h3, h4, h5, h6 { color: var(--heading-text) !important; }
.text-dark, .text-body, .text-black { color: var(--body-text) !important; }
.card, .card-body, .card-header, .card-footer, .table, .list-group-item { color: var(--card-text); }
/* Orange accent contract */
.btn-primary, .btn-primary:hover, .btn-primary:focus,
.nav-tabs .nav-link.active, .sidebar .nav-link.active {
  background: linear-gradient(135deg, #f97316, #ea580c) !important;
  border-color: #ea580c !important;
  color: #ffffff !important;
}
.btn-primary, .btn-primary:hover, .btn-primary:focus,
.form-control:focus, .form-select:focus, textarea:focus,
.nav-tabs .nav-link.active {
  box-shadow: 0 0 0 0.2rem rgba(249, 115, 22, 0.2) !important;
}
a, .table a, .card a, .list-group-item a, .text-primary, .badge.text-primary { color: #ea580c !important; }
.btn-success { background: linear-gradient(135deg, #f97316, #ea580c); }