/* ============================================
   META ADS DASHBOARD - DESIGN SYSTEM
   ============================================ */

:root {
  /* Color Palette - Blok Brand Theme */
  --color-bg-primary: #0B1120;
  /* Deep Navy */
  --color-bg-secondary: #162032;
  /* Lighter Navy */
  --color-bg-tertiary: #1E293B;
  /* Slate */
  --color-bg-card: rgba(30, 41, 59, 0.7);
  --color-bg-card-hover: rgba(30, 41, 59, 0.9);

  /* Accent Colors */
  --color-accent-primary: #2DD4BF;
  /* Blok Teal */
  --color-accent-secondary: #F43F5E;
  /* Blok Pink/Red */
  --color-accent-success: #10B981;
  --color-accent-warning: #F59E0B;
  --color-accent-danger: #F43F5E;
  /* Using Blok Pink for danger too */
  --color-accent-info: #38BDF8;
  /* Sky Blue */

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #2DD4BF 0%, #0F766E 100%);
  /* Teal Gradient */
  --gradient-success: linear-gradient(135deg, #10B981 0%, #059669 100%);
  --gradient-warning: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  --gradient-danger: linear-gradient(135deg, #F43F5E 0%, #BE123C 100%);
  --gradient-info: linear-gradient(135deg, #38BDF8 0%, #0284C7 100%);
  --gradient-bg: radial-gradient(ellipse at top, #162032 0%, #0B1120 100%);

  /* Text Colors */
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #FFFFFF;
  --color-text-tertiary: #FFFFFF;
  --color-text-muted: #FFFFFF;

  /* Borders & Shadows */
  --border-radius-sm: 6px;
  --border-radius-md: 10px;
  --border-radius-lg: 14px;
  --border-radius-xl: 20px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(45, 212, 191, 0.2);
  /* Teal Glow */

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

body {
  font-family: var(--font-family);
  background: var(--gradient-bg);
  background-attachment: fixed;
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ============================================
   LAYOUT
   ============================================ */

.dashboard-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

/* ============================================
   HEADER
   ============================================ */

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--color-bg-card);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-md);
}

.header-title {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.header-title h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.header-filters {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-bg-tertiary);
  padding: 6px 12px;
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.filter-group label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.campaign-select {
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: var(--font-size-sm);
  outline: none;
  cursor: pointer;
  max-width: 200px;
}

.campaign-select option {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.date-range-control {
  display: flex;
  gap: var(--spacing-sm);
  background: var(--color-bg-tertiary);
  padding: 6px 12px;
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.date-input-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.date-input-group label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.date-input-group input[type="date"] {
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: var(--font-size-sm);
  outline: none;
}

.date-input-group input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(1);
  cursor: pointer;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-tertiary);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-success);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.last-updated {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.refresh-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--gradient-primary);
  color: var(--color-text-primary);
  border: none;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

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

.refresh-btn:active {
  transform: translateY(0);
}

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

/* ============================================
   METRICS GRID
   ============================================ */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.metric-card {
  background: var(--color-bg-card);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.metric-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background: var(--color-bg-card-hover);
}

.metric-card:hover::before {
  opacity: 1;
}

.metric-card.success::before {
  background: var(--gradient-success);
}

.metric-card.warning::before {
  background: var(--gradient-warning);
}

.metric-card.info::before {
  background: var(--gradient-info);
}

.metric-card.danger::before {
  background: var(--gradient-danger);
}

.metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.metric-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.metric-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  background: rgba(99, 102, 241, 0.1);
}

.metric-value {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1;
}

.metric-change {
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.metric-change.positive {
  color: var(--color-accent-success);
}

.metric-change.negative {
  color: var(--color-accent-danger);
}

/* ============================================
   CAMPAIGN TABLE
   ============================================ */

.table-container {
  background: var(--color-bg-card);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-xl);
  overflow-x: auto;
}

.table-header {
  margin-bottom: var(--spacing-md);
}

.table-header h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

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

.campaign-table thead {
  background: var(--color-bg-tertiary);
  border-radius: var(--border-radius-md);
}

.campaign-table th {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  user-select: none;
  transition: color var(--transition-fast);
}

.campaign-table th:hover {
  color: var(--color-accent-primary);
}

.campaign-table tbody tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background var(--transition-fast);
}

.campaign-table tbody tr:hover {
  background: rgba(99, 102, 241, 0.05);
}

.campaign-table td {
  padding: var(--spacing-md);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
}

.campaign-name {
  font-weight: 600;
  color: var(--color-text-primary);
}

.campaign-status {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
}

.campaign-status.active {
  background: rgba(16, 185, 129, 0.2);
  color: var(--color-accent-success);
}

.campaign-status.paused {
  background: rgba(245, 158, 11, 0.2);
  color: var(--color-accent-warning);
}

/* ============================================
   CHARTS
   ============================================ */

.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.chart-container {
  background: var(--color-bg-card);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-md);
}

.chart-header {
  margin-bottom: var(--spacing-md);
}

.chart-header h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.chart-canvas {
  max-height: 300px;
}

/* ============================================
   LOADING & ERROR STATES
   ============================================ */

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--color-accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.error-message {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--color-accent-danger);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  color: var(--color-accent-danger);
  margin-bottom: var(--spacing-lg);
}

.skeleton {
  background: linear-gradient(90deg,
      var(--color-bg-tertiary) 25%,
      var(--color-bg-secondary) 50%,
      var(--color-bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s ease-in-out infinite;
  border-radius: var(--border-radius-sm);
}

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

  100% {
    background-position: -200% 0;
  }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .dashboard-container {
    padding: var(--spacing-sm);
  }

  .dashboard-header {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

  .header-controls {
    flex-direction: column;
    width: 100%;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .charts-grid {
    grid-template-columns: 1fr;
  }

  .table-container {
    overflow-x: scroll;
  }

  .metric-value {
    font-size: var(--font-size-3xl);
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}