/* =============================================
   MyMarketing - Material Design Theme
   ============================================= */

:root {
  /* Material Design Color Palette */
  --md-primary: #00b9e3;
  --md-primary-dark: #0097b8;
  --md-primary-light: #e0f5fa;
  --md-primary-50: #e0f7fa;
  --md-primary-100: #b2ebf2;
  --md-primary-700: #0097a7;
  --md-on-primary: #ffffff;

  --md-surface: #ffffff;
  --md-surface-dim: #f5f5f5;
  --md-surface-container: #fafafa;
  --md-surface-container-high: #f0f0f0;
  --md-on-surface: #1c1b1f;
  --md-on-surface-variant: #49454f;
  --md-outline: #79747e;
  --md-outline-variant: #cac4d0;

  --md-error: #b3261e;
  --md-error-container: #f9dedc;
  --md-success: #2e7d32;
  --md-success-container: #e8f5e9;

  --md-dark: #1c1b1f;
  --md-admin-surface: #1e1e2f;

  /* Material Elevation Shadows */
  --md-elevation-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.14);
  --md-elevation-2: 0 3px 6px rgba(0,0,0,0.10), 0 2px 4px rgba(0,0,0,0.12);
  --md-elevation-3: 0 6px 12px rgba(0,0,0,0.08), 0 3px 6px rgba(0,0,0,0.10);
  --md-elevation-4: 0 10px 20px rgba(0,0,0,0.08), 0 4px 8px rgba(0,0,0,0.10);
  --md-elevation-5: 0 16px 32px rgba(0,0,0,0.08), 0 6px 12px rgba(0,0,0,0.10);

  /* Legacy variable aliases for existing markup */
  --accent: var(--md-primary);
  --accent-hover: var(--md-primary-dark);
  --accent-light: var(--md-primary-light);
  --dark: var(--md-admin-surface);
  --gray-200: #e0e0e0;
  --success: var(--md-success);
  --success-light: var(--md-success-container);
  --danger: var(--md-error);
  --danger-light: var(--md-error-container);
  --sidebar-width: 260px;

  /* Material Motion */
  --md-motion-standard: cubic-bezier(0.2, 0, 0, 1);
  --md-motion-emphasized: cubic-bezier(0.2, 0, 0, 1);
  --md-motion-duration-short: 150ms;
  --md-motion-duration-medium: 300ms;
  --md-motion-duration-long: 500ms;
}

/* ---- Global ---- */
*,
*::before,
*::after {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Roboto', sans-serif;
  background-color: var(--md-surface-dim);
  color: var(--md-on-surface);
  letter-spacing: 0.01em;
  line-height: 1.6;
}

/* ---- Material Accent Utilities ---- */
.text-accent { color: var(--md-primary) !important; }
.bg-accent { background-color: var(--md-primary) !important; }
.bg-accent-light { background-color: var(--md-primary-light) !important; }
.border-accent { border-color: var(--md-primary) !important; }

/* ---- Material Ripple Effect ---- */
.ripple-container {
  position: relative;
  overflow: hidden;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: rippleEffect 0.6s var(--md-motion-standard);
  pointer-events: none;
}

@keyframes rippleEffect {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ---- Material Buttons ---- */
.btn {
  font-family: 'Roboto', sans-serif;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-radius: 20px;
  padding: 0.5rem 1.5rem;
  transition: all var(--md-motion-duration-short) var(--md-motion-standard);
  position: relative;
  overflow: hidden;
  text-transform: none;
}

.btn-accent {
  background-color: var(--md-primary);
  color: var(--md-on-primary);
  border: none;
  box-shadow: var(--md-elevation-1);
}

.btn-accent:hover {
  background-color: var(--md-primary-dark);
  color: var(--md-on-primary);
  box-shadow: var(--md-elevation-2);
}

.btn-accent:active {
  box-shadow: var(--md-elevation-1);
}

.btn-outline-accent {
  color: var(--md-primary);
  border: 1px solid var(--md-primary);
  background: transparent;
}

.btn-outline-accent:hover {
  background-color: var(--md-primary-light);
  color: var(--md-primary-dark);
  border-color: var(--md-primary);
}

.btn-sm {
  border-radius: 16px;
  padding: 0.35rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  border-radius: 28px;
  padding: 0.75rem 2rem;
}

/* Material FAB */
.btn-fab {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--md-elevation-3);
  border: none;
  background: var(--md-primary);
  color: var(--md-on-primary);
  font-size: 1.25rem;
  transition: box-shadow var(--md-motion-duration-short) var(--md-motion-standard);
}

.btn-fab:hover {
  box-shadow: var(--md-elevation-4);
}

/* ---- Pagination (Material) ---- */
.page-link {
  color: var(--md-primary);
  border: none;
  border-radius: 20px !important;
  margin: 0 2px;
  font-weight: 500;
  transition: background var(--md-motion-duration-short) var(--md-motion-standard);
}

.page-link:hover {
  color: var(--md-primary-dark);
  background: var(--md-primary-light);
}

.page-item.active .page-link {
  background-color: var(--md-primary);
  border-color: var(--md-primary);
  box-shadow: var(--md-elevation-1);
}

/* ---- Badge (Material Chip) ---- */
.badge {
  border-radius: 8px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0.35em 0.75em;
}

.badge.bg-accent {
  background-color: var(--md-primary) !important;
}

/* ---- Material Navbar (App Bar) ---- */
.navbar {
  padding: 0;
  min-height: 64px;
  box-shadow: var(--md-elevation-2);
  background: var(--md-surface) !important;
}

.navbar-brand {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0;
  padding: 0.75rem 0;
}

.navbar .nav-link {
  font-weight: 500;
  padding: 1.1rem 1rem;
  color: var(--md-on-surface-variant);
  transition: color var(--md-motion-duration-short) var(--md-motion-standard),
              background var(--md-motion-duration-short) var(--md-motion-standard);
  border-radius: 24px;
  margin: 0.25rem 0.15rem;
  position: relative;
}

.navbar .nav-link:hover {
  color: var(--md-primary);
  background: var(--md-primary-50);
}

.navbar .nav-link.active {
  color: var(--md-primary);
  font-weight: 600;
}

.navbar .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: var(--md-primary);
  border-radius: 3px 3px 0 0;
}

/* ---- Hero Section (Material Surface) ---- */
.hero-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--md-surface-dim) 0%, var(--md-primary-50) 100%);
  position: relative;
}

.min-vh-50 { min-height: 50vh; }

.hero-illustration {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* ---- Material Cards ---- */
.card {
  border: none;
  border-radius: 16px;
  background: var(--md-surface);
  box-shadow: var(--md-elevation-1);
  transition: box-shadow var(--md-motion-duration-medium) var(--md-motion-standard),
              transform var(--md-motion-duration-medium) var(--md-motion-standard);
}

.card-header {
  border-radius: 16px 16px 0 0 !important;
  border-bottom: 1px solid var(--md-outline-variant);
  background: var(--md-surface);
  font-weight: 500;
}

.card-body {
  padding: 1.25rem;
}

/* Blog Cards */
.blog-card {
  transition: transform var(--md-motion-duration-medium) var(--md-motion-standard),
              box-shadow var(--md-motion-duration-medium) var(--md-motion-standard);
  border-radius: 16px;
  overflow: hidden;
  border: none;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--md-elevation-4) !important;
}

.blog-card .card-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-weight: 500;
  letter-spacing: 0;
}

.blog-card .card-text {
  color: var(--md-on-surface-variant);
}

/* ---- Article Content ---- */
.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--md-on-surface);
}

.article-body h1, .article-body h2, .article-body h3,
.article-body h4, .article-body h5, .article-body h6 {
  font-weight: 500;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  letter-spacing: 0;
}

.article-body p {
  margin-bottom: 1.2em;
}

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  margin: 1em 0;
  box-shadow: var(--md-elevation-1);
}

.article-body blockquote {
  border-left: 4px solid var(--md-primary);
  padding: 1rem 1.5rem;
  background: var(--md-primary-light);
  border-radius: 0 16px 16px 0;
  margin: 1.5em 0;
  color: var(--md-on-surface-variant);
}

.article-body pre {
  background: var(--md-dark);
  color: #e0e0e0;
  padding: 1.25rem;
  border-radius: 12px;
  overflow-x: auto;
  box-shadow: var(--md-elevation-2);
}

.article-body code {
  background: var(--md-surface-container-high);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.9em;
}

.article-body pre code {
  background: none;
  padding: 0;
}

/* ---- Sidebar Sticky ---- */
.sidebar-sticky {
  position: sticky;
  top: 90px;
}

/* ---- Marketing Blocks ---- */
.marketing-banner:hover img {
  opacity: 0.9;
  transition: opacity var(--md-motion-duration-short) var(--md-motion-standard);
}

.marketing-content-block {
  background: linear-gradient(135deg, var(--md-primary-light), var(--md-surface));
  border: 1px solid rgba(0, 185, 227, 0.15);
  border-radius: 16px;
}

.marketing-in-article {
  border: 2px dashed rgba(0, 185, 227, 0.25);
  border-radius: 12px;
  padding: 1rem;
  background: var(--md-primary-light);
}

/* ---- Marketing Modal Overlay (Material Dialog) ---- */
.marketing-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(3px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--md-motion-duration-medium) var(--md-motion-standard),
              visibility var(--md-motion-duration-medium) var(--md-motion-standard);
}

.marketing-overlay.active {
  opacity: 1;
  visibility: visible;
}

.marketing-modal-popup {
  background: var(--md-surface);
  border-radius: 28px;
  box-shadow: var(--md-elevation-5);
  max-width: 480px;
  width: 90%;
  position: relative;
  animation: modalPopIn 0.4s var(--md-motion-emphasized);
  overflow: hidden;
}

@keyframes modalPopIn {
  from { transform: scale(0.9) translateY(16px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.marketing-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--md-surface-container-high);
  color: var(--md-on-surface-variant);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--md-motion-duration-short) var(--md-motion-standard);
  z-index: 1;
}

.marketing-modal-close:hover {
  background: var(--md-outline-variant);
  color: var(--md-on-surface);
}

.marketing-modal-body {
  padding: 2rem;
  text-align: center;
}

.marketing-modal-body img {
  max-height: 250px;
  object-fit: contain;
  border-radius: 16px;
}

/* Blur page content while modal is active */
.marketing-blur-active .navbar,
.marketing-blur-active main,
.marketing-blur-active section,
.marketing-blur-active .hero-section,
.marketing-blur-active .article-content,
.marketing-blur-active .sidebar-sticky,
.marketing-blur-active footer {
  filter: blur(5px);
  pointer-events: none;
  user-select: none;
  transition: filter var(--md-motion-duration-medium) var(--md-motion-standard);
}

/* ---- Login Page (Material Surface) ---- */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--md-surface-dim) 0%, var(--md-primary-50) 50%, var(--md-surface-dim) 100%);
}

.login-container {
  width: 100%;
  max-width: 420px;
  padding: 1rem;
}

.login-card {
  background: var(--md-surface);
  border-radius: 28px;
  padding: 2.5rem;
  box-shadow: var(--md-elevation-3);
}

.login-logo {
  width: 80px;
  height: 80px;
  background: var(--md-primary-light);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* =============================================
   ADMIN PANEL - Material Design
   ============================================= */

.admin-body {
  background-color: var(--md-surface-dim);
}

/* ---- Admin App Bar ---- */
.admin-navbar {
  background: var(--md-admin-surface) !important;
  padding: 0 1rem;
  min-height: 64px;
  z-index: 1030;
  box-shadow: var(--md-elevation-2);
}

.admin-navbar .navbar-brand {
  font-size: 1.15rem;
  font-weight: 500;
  color: #fff;
  letter-spacing: 0;
}

/* ---- Admin Layout ---- */
.admin-wrapper {
  display: flex;
  min-height: calc(100vh - 64px);
}

/* ---- Admin Navigation Rail / Sidebar ---- */
.admin-sidebar {
  width: var(--sidebar-width);
  background: var(--md-surface);
  border-right: none;
  padding-top: 0.75rem;
  flex-shrink: 0;
  transition: margin-left var(--md-motion-duration-medium) var(--md-motion-standard);
  box-shadow: var(--md-elevation-1);
  z-index: 1019;
}

.sidebar-nav {
  list-style: none;
  padding: 0.5rem 0.75rem;
  margin: 0;
}

.sidebar-item {
  margin-bottom: 4px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.25rem;
  color: var(--md-on-surface-variant);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--md-motion-duration-short) var(--md-motion-standard);
  border-left: none;
  border-radius: 28px;
  letter-spacing: 0.02em;
}

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

.sidebar-link.active {
  background: var(--md-primary-light);
  color: var(--md-primary-dark);
  font-weight: 600;
}

.sidebar-link i {
  width: 24px;
  margin-right: 12px;
  font-size: 1.1rem;
  text-align: center;
}

/* ---- Admin Content ---- */
.admin-content {
  flex: 1;
  padding: 1.5rem 2rem;
  overflow-x: hidden;
}

/* ---- Stat Cards (Material) ---- */
.stat-card {
  border-radius: 16px;
  transition: box-shadow var(--md-motion-duration-short) var(--md-motion-standard),
              transform var(--md-motion-duration-short) var(--md-motion-standard);
  border: none;
  box-shadow: var(--md-elevation-1);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--md-elevation-3);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* ---- Material Tables ---- */
.table {
  border-collapse: separate;
  border-spacing: 0;
}

.table th {
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--md-on-surface-variant);
  border-bottom: 1px solid var(--md-outline-variant);
  padding: 0.875rem 1rem;
}

.table td {
  vertical-align: middle;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--md-outline-variant);
  color: var(--md-on-surface);
}

.table tbody tr {
  transition: background var(--md-motion-duration-short) var(--md-motion-standard);
}

.table tbody tr:hover {
  background: var(--md-surface-container);
}

/* ---- Material Forms ---- */
.form-control,
.form-select {
  border-radius: 12px;
  border: 1px solid var(--md-outline);
  padding: 0.65rem 1rem;
  font-family: 'Roboto', sans-serif;
  font-size: 0.95rem;
  color: var(--md-on-surface);
  background: var(--md-surface);
  transition: border-color var(--md-motion-duration-short) var(--md-motion-standard),
              box-shadow var(--md-motion-duration-short) var(--md-motion-standard);
}

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

.form-control::placeholder {
  color: var(--md-outline);
}

.form-label {
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--md-on-surface-variant);
  letter-spacing: 0.02em;
  margin-bottom: 0.35rem;
}

.form-check-input {
  border-radius: 4px;
  border: 2px solid var(--md-outline);
  width: 1.15em;
  height: 1.15em;
}

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

.form-check-input[type="radio"] {
  border-radius: 50%;
}

.input-group .form-control {
  border-radius: 12px 0 0 12px;
}

.input-group .btn {
  border-radius: 0 12px 12px 0;
}

/* ---- Content Header ---- */
.content-header h4 {
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0;
}

/* ---- Material Alerts (Snackbar Style) ---- */
.alert {
  border: none;
  border-radius: 12px;
  box-shadow: var(--md-elevation-1);
  font-weight: 400;
  padding: 1rem 1.25rem;
}

.alert-success {
  background-color: var(--md-success-container);
  color: var(--md-success);
}

.alert-danger {
  background-color: var(--md-error-container);
  color: var(--md-error);
}

/* ---- Material Dropdown Menu ---- */
.dropdown-menu {
  border: none;
  border-radius: 12px;
  box-shadow: var(--md-elevation-3);
  padding: 0.5rem;
  background: var(--md-surface);
}

.dropdown-item {
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-weight: 400;
  transition: background var(--md-motion-duration-short) var(--md-motion-standard);
}

.dropdown-item:hover {
  background: var(--md-surface-container-high);
}

/* ---- Material Modal (Bootstrap Override) ---- */
.modal-content {
  border: none;
  border-radius: 28px;
  box-shadow: var(--md-elevation-5);
}

.modal-header {
  border-bottom: 1px solid var(--md-outline-variant);
  border-radius: 28px 28px 0 0;
  padding: 1.25rem 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--md-outline-variant);
  border-radius: 0 0 28px 28px;
  padding: 1rem 1.5rem;
}

.modal-title {
  font-weight: 500;
  font-size: 1.15rem;
}

/* =============================================
   RESPONSIVE - Material Adaptive Layout
   ============================================= */

@media (max-width: 991.98px) {
  .admin-sidebar {
    position: fixed;
    top: 64px;
    left: 0;
    bottom: 0;
    z-index: 1020;
    margin-left: calc(-1 * var(--sidebar-width));
    box-shadow: var(--md-elevation-4);
  }

  .admin-sidebar.show {
    margin-left: 0;
  }

  .admin-content {
    padding: 1rem;
  }

  .hero-section {
    padding: 3rem 0;
  }

  .min-vh-50 {
    min-height: auto;
  }

  .navbar .nav-link.active::after {
    display: none;
  }
}

@media (max-width: 767.98px) {
  .stat-card h3 {
    font-size: 1.4rem;
  }

  .content-header h4 {
    font-size: 1.2rem;
  }

  .login-card {
    padding: 1.5rem;
    border-radius: 20px;
  }

  .card {
    border-radius: 12px;
  }

  .blog-card {
    border-radius: 12px;
  }
}

/* ---- Material Animations ---- */
.fade-in {
  animation: fadeIn var(--md-motion-duration-long) var(--md-motion-emphasized);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Scrollbar (Material) ---- */
.admin-sidebar {
  overflow-y: auto;
}

.admin-sidebar::-webkit-scrollbar {
  width: 4px;
}

.admin-sidebar::-webkit-scrollbar-thumb {
  background: var(--md-outline-variant);
  border-radius: 4px;
}

.admin-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

/* ---- Footer ---- */
footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer a {
  transition: color var(--md-motion-duration-short) var(--md-motion-standard);
}

footer a:hover {
  color: var(--md-primary) !important;
}

/* ---- Material Extras ---- */

/* Surface tint for elevated surfaces */
.card:hover {
  box-shadow: var(--md-elevation-2);
}

/* Outlined card variant */
.card.card-outlined {
  border: 1px solid var(--md-outline-variant);
  box-shadow: none;
}

/* Dividers */
hr {
  border-color: var(--md-outline-variant);
  opacity: 1;
}

/* Material text styles */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Roboto', sans-serif;
  font-weight: 500;
  letter-spacing: 0;
}

.fw-bold {
  font-weight: 500 !important;
}

/* Material chip / tag */
.badge-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35em 1em;
  border-radius: 20px;
  font-weight: 500;
  font-size: 0.8rem;
  background: var(--md-surface-container-high);
  color: var(--md-on-surface-variant);
  border: 1px solid var(--md-outline-variant);
}

/* Material tooltip override */
.tooltip-inner {
  border-radius: 8px;
  font-family: 'Roboto', sans-serif;
  font-size: 0.8rem;
  padding: 0.5rem 0.75rem;
}

/* Material shadow helper classes */
.elevation-0 { box-shadow: none !important; }
.elevation-1 { box-shadow: var(--md-elevation-1) !important; }
.elevation-2 { box-shadow: var(--md-elevation-2) !important; }
.elevation-3 { box-shadow: var(--md-elevation-3) !important; }
.elevation-4 { box-shadow: var(--md-elevation-4) !important; }
.elevation-5 { box-shadow: var(--md-elevation-5) !important; }

/* Image shapes */
img {
  border-radius: 8px;
}

.rounded-material {
  border-radius: 16px !important;
}

/* Selection color */
::selection {
  background: var(--md-primary-100);
  color: var(--md-primary-700);
}