/* Mozlead - Premium Email Marketing Platform
   Modern UI/UX Redesign
   ================================================ */

/* ---- CSS Custom Properties ---- */
:root {
  /* Primary palette - Mozlead Teal/Green (from logo) */
  --primary: #10B981;
  --primary-light: #2DD4BF;
  --primary-dark: #0F766E;
  --primary-50: #ECFDF5;
  --primary-100: #D1FAE5;
  --primary-200: #A7F3D0;

  /* Accent - Bright teal/aqua glow */
  --accent: #5EEAD4;
  --accent-light: #99F6E4;
  --accent-dark: #14B8A6;

  /* Brand dark navy (from logo background) */
  --brand-navy: #0F1F2E;
  --brand-navy-light: #1A2E3D;
  --brand-navy-dark: #081522;

  /* Status colors */
  --success: #10B981;
  --success-light: #34D399;
  --warning: #F59E0B;
  --warning-light: #FBBF24;
  --danger: #EF4444;
  --danger-light: #F87171;
  --info: #06B6D4;

  /* Neutrals */
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;

  /* Sidebar - dark navy with teal undertone */
  --sidebar-width: 260px;
  --sidebar-bg-start: #0F1F2E;
  --sidebar-bg-end: #15324A;

  /* Navbar */
  --navbar-height: 60px;

  /* Surfaces */
  --surface: #FFFFFF;
  --surface-raised: #FFFFFF;
  --body-bg: #F1F5F4;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

  /* Font */
  --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
}

/* ---- Animations ---- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-16px); }
  to   { opacity: 1; transform: translateX(0); }
}

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

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes progressStripe {
  0%   { background-position: 1rem 0; }
  100% { background-position: 0 0; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

/* ---- Base / Reset ---- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  background-color: var(--body-bg);
  color: var(--gray-800);
  min-height: 100vh;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
}

/* ---- Custom Scrollbar (Webkit) ---- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* ---- Navbar ---- */
.navbar {
  height: var(--navbar-height);
  background: linear-gradient(135deg, #0F1F2E 0%, #15324A 100%) !important;
  border-bottom: 1px solid rgba(94, 234, 212, 0.1);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
  z-index: 1030;
  padding: 0 1.5rem;
  backdrop-filter: blur(12px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: #fff !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-brand i {
  color: var(--primary-light);
  font-size: 1.4rem;
}

.navbar .nav-link {
  color: rgba(255, 255, 255, 0.75) !important;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem !important;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.navbar .nav-link:hover {
  color: #fff !important;
  background: rgba(255, 255, 255, 0.08);
}

.navbar .dropdown-menu {
  background: var(--surface);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  margin-top: 0.5rem;
  animation: scaleIn var(--transition-fast) ease-out;
}

.navbar .dropdown-item {
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--gray-700);
  transition: all var(--transition-fast);
}

.navbar .dropdown-item:hover {
  background: var(--primary-50);
  color: var(--primary);
}

/* ---- Layout (compensate fixed navbar + sidebar) ---- */
body {
  padding-top: var(--navbar-height);
}

/* Auth pages: flex column so footer sticks to bottom */
body.auth-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
}

body.auth-page > .container {
  flex: 1 0 auto;
}

body.auth-page > footer {
  flex-shrink: 0;
}

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-width);
  height: calc(100vh - var(--navbar-height));
  background: linear-gradient(180deg, var(--sidebar-bg-start) 0%, var(--sidebar-bg-end) 100%);
  padding: 1.25rem 0.75rem;
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  flex-shrink: 0;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 1020;
  border-right: 1px solid rgba(255, 255, 255, 0.04);
}

/* Main content offset for fixed sidebar */
.sidebar + main,
.sidebar ~ main {
  margin-left: var(--sidebar-width);
}

.sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
}

.sidebar .nav-link {
  color: rgba(255, 255, 255, 0.6);
  padding: 0.7rem 1rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  position: relative;
  letter-spacing: 0.01em;
}

.sidebar .nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(4px);
}

.sidebar .nav-link.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-dark) 100%);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
  font-weight: 600;
}

.sidebar .nav-link.active::before {
  content: '';
  position: absolute;
  left: -0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 60%;
  background: var(--accent-light);
  border-radius: var(--radius-full);
}

.sidebar .nav-link i {
  width: 22px;
  text-align: center;
  margin-right: 12px;
  font-size: 1rem;
  opacity: 0.85;
}

.sidebar .nav-link.active i {
  opacity: 1;
}

.sidebar hr {
  border-color: rgba(255, 255, 255, 0.08);
  margin: 1rem 0;
}

/* Sidebar section labels */
.sidebar .nav-section-label {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.5rem 1rem 0.25rem;
  margin-top: 0.5rem;
}

/* ---- Main Content ---- */
main {
  min-height: calc(100vh - var(--navbar-height));
  background: var(--body-bg);
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(16, 185, 129, 0.03) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 100%, rgba(6, 182, 212, 0.03) 0%, transparent 60%);
  animation: fadeIn 0.3s ease-out;
}

main > .container-fluid,
main > .container {
  padding: 1.75rem 2rem;
}

/* Page titles */
main h1,
main h2 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--gray-900);
}

main h1 { font-size: 1.75rem; }
main h2 { font-size: 1.35rem; }

/* ---- Cards ---- */
.card {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  background: var(--surface);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  animation: fadeInUp 0.35s ease-out both;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--gray-100);
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1rem;
  color: var(--gray-800);
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
  padding: 1rem 1.5rem;
}

/* ---- Stat Cards ---- */
.stat-card {
  border: none;
  border-radius: var(--radius-lg);
  color: #fff;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  animation: fadeInUp 0.4s ease-out both;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 120px;
  height: 120px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.stat-card:nth-child(1) { background: linear-gradient(135deg, #10B981 0%, #0F766E 100%); animation-delay: 0s; }
.stat-card:nth-child(2) { background: linear-gradient(135deg, #06B6D4 0%, #3B82F6 100%); animation-delay: 0.05s; }
.stat-card:nth-child(3) { background: linear-gradient(135deg, #10B981 0%, #059669 100%); animation-delay: 0.1s; }
.stat-card:nth-child(4) { background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%); animation-delay: 0.15s; }

.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.stat-card .card-body {
  padding: 1.5rem;
  position: relative;
  z-index: 1;
}

.stat-card .stat-icon {
  font-size: 2.75rem;
  opacity: 0.2;
  position: absolute;
  right: 18px;
  top: 18px;
}

.stat-card .stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 0;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.stat-card .stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  opacity: 0.75;
  margin-bottom: 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 0.25rem;
}

/* ---- Tables ---- */
.table {
  margin-bottom: 0;
}

.table thead th {
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-500);
  border-bottom: 2px solid var(--gray-200);
  padding: 0.85rem 1rem;
  white-space: nowrap;
  background: var(--gray-50);
}

.table tbody td {
  vertical-align: middle;
  padding: 0.85rem 1rem;
  font-size: 0.875rem;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
  transition: background var(--transition-fast);
}

.table tbody tr:nth-child(even) td {
  background: rgba(249, 250, 251, 0.5);
}

.table tbody tr:hover td {
  background: var(--primary-50);
}

.table tbody tr {
  transition: background var(--transition-fast);
}

/* ---- Buttons ---- */
.btn {
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.5rem 1.15rem;
  transition: all var(--transition-base);
  border: none;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
  transform: translateY(-1px);
  color: #fff;
}

.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, var(--success-light) 100%);
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
  color: #fff;
}

.btn-success:hover {
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
  transform: translateY(-1px);
  color: #fff;
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger) 0%, var(--danger-light) 100%);
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
  color: #fff;
}

.btn-danger:hover {
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.4);
  transform: translateY(-1px);
  color: #fff;
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning) 0%, var(--warning-light) 100%);
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
  color: #fff;
}

.btn-warning:hover {
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
  transform: translateY(-1px);
  color: #fff;
}

.btn-outline-primary {
  border: 1.5px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
  transform: translateY(-1px);
}

.btn-outline-secondary {
  border: 1.5px solid var(--gray-300);
  color: var(--gray-600);
  background: transparent;
}

.btn-outline-secondary:hover {
  background: var(--gray-100);
  color: var(--gray-800);
  border-color: var(--gray-400);
}

.btn-sm {
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

/* ---- Forms ---- */
.form-control,
.form-select {
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.9rem;
  font-size: 0.875rem;
  color: var(--gray-800);
  background: var(--surface);
  transition: all var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
  outline: none;
}

.form-control::placeholder {
  color: var(--gray-400);
}

.form-label {
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--gray-700);
  margin-bottom: 0.4rem;
}

.form-text {
  font-size: 0.78rem;
  color: var(--gray-400);
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

.input-group .form-control {
  border-right: none;
}

.input-group .btn,
.input-group .input-group-text {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.form-check-input:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

.form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.form-switch .form-check-input {
  height: 1.25rem;
  width: 2.25rem;
  border-radius: var(--radius-full);
}

/* ---- Badges ---- */
.badge {
  border-radius: var(--radius-full);
  padding: 0.35em 0.75em;
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.badge-draft,
.bg-secondary {
  background: var(--gray-200) !important;
  color: var(--gray-600) !important;
}

.badge-sending,
.bg-warning {
  background: linear-gradient(135deg, #FDE68A, #FCD34D) !important;
  color: #92400E !important;
}

.badge-sent,
.bg-success {
  background: linear-gradient(135deg, #A7F3D0, #6EE7B7) !important;
  color: #065F46 !important;
}

.badge-paused,
.bg-info {
  background: linear-gradient(135deg, #BAE6FD, #7DD3FC) !important;
  color: #0C4A6E !important;
}

.badge-failed,
.bg-danger {
  background: linear-gradient(135deg, #FECACA, #FCA5A5) !important;
  color: #991B1B !important;
}

.tag-badge {
  font-size: 0.7rem;
  font-weight: 500;
  margin-right: 4px;
  padding: 0.25em 0.6em;
  border-radius: var(--radius-full);
  background: var(--primary-100);
  color: var(--primary-dark);
}

/* ---- Auth Pages ---- */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0F1F2E 0%, #15324A 40%, #10B981 100%);
  background-size: 200% 200%;
  animation: shimmer 12s ease infinite;
  position: relative;
  overflow: hidden;
}

.auth-container::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.06) 0%, transparent 50%);
  pointer-events: none;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  animation: scaleIn 0.4s ease-out;
  overflow: hidden;
}

.auth-card .card-header {
  background: transparent;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  text-align: center;
  padding: 2.25rem 2rem 1.25rem;
}

.auth-card .card-header h3 {
  color: var(--gray-900);
  margin-bottom: 0.35rem;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.auth-card .card-header p {
  color: var(--gray-500);
  font-size: 0.875rem;
}

.auth-card .card-body {
  padding: 2rem;
}

.auth-card .btn-primary {
  width: 100%;
  padding: 0.7rem;
  font-size: 0.95rem;
  font-weight: 600;
}

/* ---- Progress Bars ---- */
.progress {
  border-radius: var(--radius-full);
  background: var(--gray-100);
  height: 10px;
  overflow: hidden;
}

.progress-bar {
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.campaign-progress {
  height: 24px;
  border-radius: var(--radius-full);
  overflow: hidden;
  background: var(--gray-100);
}

.campaign-progress .progress-bar {
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 24px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  background-size: 1rem 1rem;
  animation: progressStripe 0.8s linear infinite;
  background-image: linear-gradient(
    45deg,
    rgba(255,255,255,0.15) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255,255,255,0.15) 50%,
    rgba(255,255,255,0.15) 75%,
    transparent 75%
  );
}

/* ---- Flash / Alert Messages ---- */
.alert {
  border: none;
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  position: relative;
  border-left: 4px solid transparent;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  animation: slideInLeft 0.3s ease-out;
}

.alert-success {
  border-left-color: var(--success);
  background: #ECFDF5;
  color: #065F46;
}

.alert-danger {
  border-left-color: var(--danger);
  background: #FEF2F2;
  color: #991B1B;
}

.alert-warning {
  border-left-color: var(--warning);
  background: #FFFBEB;
  color: #92400E;
}

.alert-info {
  border-left-color: var(--info);
  background: #EFF6FF;
  color: #1E40AF;
}

.alert .btn-close {
  opacity: 0.4;
  transition: opacity var(--transition-fast);
}

.alert .btn-close:hover {
  opacity: 0.8;
}

/* ---- Filter Bar ---- */
.filter-bar {
  background: var(--surface);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.3s ease-out;
}

.filter-bar .form-control,
.filter-bar .form-select {
  background: var(--gray-50);
  border-color: var(--gray-200);
  font-size: 0.825rem;
}

/* ---- Empty State ---- */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--gray-400);
  animation: fadeInUp 0.4s ease-out;
}

.empty-state i {
  font-size: 4rem;
  margin-bottom: 1.25rem;
  opacity: 0.35;
  display: block;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.empty-state h5 {
  color: var(--gray-600);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--gray-400);
  font-size: 0.9rem;
  max-width: 360px;
  margin: 0 auto 1.25rem;
}

/* ---- Template Preview ---- */
.template-preview-frame {
  width: 100%;
  height: 420px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.template-preview-frame:hover {
  box-shadow: var(--shadow-md);
}

/* Template card */
.template-card {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  height: 100%;
  border-radius: var(--radius-lg);
}

.template-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* ---- Checkbox List (Segments) ---- */
.checkbox-list {
  max-height: 300px;
  overflow-y: auto;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  background: var(--gray-50);
}

.checkbox-list .form-check {
  padding: 0.5rem 0.75rem 0.5rem 2.25rem;
  margin-bottom: 0;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  cursor: pointer;
}

.checkbox-list .form-check:hover {
  background: var(--primary-50);
}

.checkbox-list .form-check-label {
  font-size: 0.85rem;
  color: var(--gray-700);
  cursor: pointer;
  user-select: none;
}

/* ---- SMTP Test ---- */
.smtp-test-result {
  margin-top: 1rem;
  display: none;
  animation: fadeIn 0.3s ease-out;
}

/* ---- HTML Editor ---- */
.html-editor {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  background: var(--gray-900);
  color: #E2E8F0;
  border-radius: var(--radius-md);
  border: none;
  padding: 1rem;
}

.html-editor:focus {
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

/* ---- Pagination ---- */
.pagination {
  gap: 4px;
}

.page-link {
  border-radius: var(--radius-sm) !important;
  border: none;
  color: var(--gray-600);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.45rem 0.8rem;
  transition: all var(--transition-fast);
  background: transparent;
}

.page-link:hover {
  background: var(--primary-50);
  color: var(--primary);
}

.page-item.active .page-link {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

/* ---- Modal ---- */
.modal-content {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  animation: scaleIn 0.25s ease-out;
}

.modal-header {
  border-bottom: 1px solid var(--gray-100);
  padding: 1.25rem 1.5rem;
}

.modal-title {
  font-weight: 600;
  font-size: 1.1rem;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--gray-100);
  padding: 1rem 1.5rem;
}

.modal-backdrop.show {
  opacity: 0.5;
  backdrop-filter: blur(4px);
}

/* ---- Tooltip & Popover ---- */
.tooltip-inner {
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  padding: 0.35rem 0.7rem;
  background: var(--gray-900);
}

/* ---- Breadcrumb ---- */
.breadcrumb {
  background: transparent;
  padding: 0;
  font-size: 0.825rem;
  margin-bottom: 1rem;
}

.breadcrumb-item a {
  color: var(--gray-500);
}

.breadcrumb-item.active {
  color: var(--gray-800);
  font-weight: 500;
}

/* ---- Staggered card animation ---- */
.card:nth-child(1) { animation-delay: 0s; }
.card:nth-child(2) { animation-delay: 0.05s; }
.card:nth-child(3) { animation-delay: 0.1s; }
.card:nth-child(4) { animation-delay: 0.15s; }
.card:nth-child(5) { animation-delay: 0.2s; }
.card:nth-child(6) { animation-delay: 0.25s; }

/* ---- Utility Helpers ---- */
.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-gradient-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

.shadow-hover {
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.shadow-hover:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* ---- Responsive ---- */
@media (max-width: 991.98px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    top: 0;
    left: 0;
    padding: 0.75rem;
    flex-direction: row;
    overflow-x: auto;
  }

  .sidebar + main,
  .sidebar ~ main {
    margin-left: 0;
  }

  .sidebar .nav {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 0.25rem;
  }

  .sidebar .nav-link {
    white-space: nowrap;
    padding: 0.5rem 0.85rem;
    font-size: 0.8rem;
  }

  .sidebar .nav-link.active::before {
    display: none;
  }

  .sidebar .nav-section-label {
    display: none;
  }

  .d-flex {
    flex-direction: column;
  }

  main > .container-fluid,
  main > .container {
    padding: 1.25rem 1rem;
  }
}

@media (max-width: 767.98px) {
  .stat-card .stat-number {
    font-size: 1.6rem;
  }

  .stat-card .stat-icon {
    font-size: 2rem;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .auth-card {
    margin: 1rem;
    max-width: 100%;
  }

  main h1 {
    font-size: 1.4rem;
  }
}

@media (max-width: 575.98px) {
  .table-responsive {
    font-size: 0.8rem;
  }

  .btn {
    padding: 0.45rem 0.85rem;
    font-size: 0.8rem;
  }
}

/* ---- Print ---- */
@media print {
  .sidebar,
  .navbar,
  .filter-bar,
  .btn {
    display: none !important;
  }

  main {
    background: #fff;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}