/* Global CSS Design System for Laravel Web Dashboard */
/* Adheres strictly to Global Rule #6: EXTERNAL FILE ONLY (0 inline styles, 0 <style> tags) */

:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --bg-card-hover: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(99, 102, 241, 0.4);

  --accent-indigo: #6366f1;
  --accent-indigo-hover: #4f46e5;
  --accent-blue: #3b82f6;
  --accent-green: #22c55e;
  --accent-red: #ef4444;
  --accent-orange: #f97316;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.25);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent-indigo);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-indigo-hover);
}

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

.sidebar {
  width: 260px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  transition: transform 0.3s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 12px 24px 12px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-blue));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 14px;
  transition: all 0.2s ease;
}

.nav-item:hover, .nav-item.active {
  background-color: rgba(99, 102, 241, 0.15);
  color: #fff;
}

.nav-item.active {
  border-left: 3px solid var(--accent-indigo);
}

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  background-color: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
}

.user-avatar {
  width: 36px;
  height: 36px;
  background-color: var(--accent-indigo);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
}

.user-info {
  flex: 1;
  overflow: hidden;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-email {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 32px;
  max-width: 1400px;
}

/* Header & Typography */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-title {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-main);
}

.page-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Standard Reusable Button Component (Rule #4) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  line-height: 1;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 14px 24px;
  font-size: 16px;
}

.btn-primary {
  background-color: var(--accent-indigo);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--accent-indigo-hover);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
  background-color: #334155;
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: #475569;
}

.btn-danger {
  background-color: var(--accent-red);
  color: #fff;
}

.btn-danger:hover {
  background-color: #dc2626;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--text-muted);
}

/* Standard Reusable Fancy Alerts & Toasts (Rule #5) */
.alert-container {
  margin-bottom: 24px;
}

.alert {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  animation: slideInDown 0.3s ease;
}

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

.alert-success {
  background-color: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.3);
  color: #4ade80;
}

.alert-danger {
  background-color: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.alert-warning {
  background-color: rgba(249, 115, 22, 0.12);
  border-color: rgba(249, 115, 22, 0.3);
  color: #fb923c;
}

.alert-info {
  background-color: rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.3);
  color: #818cf8;
}

.alert-icon {
  font-size: 18px;
  display: flex;
}

.alert-content {
  flex: 1;
}

/* Cards & Statistics */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-color-hover);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.stat-icon-indigo {
  background-color: rgba(99, 102, 241, 0.15);
  color: var(--accent-indigo);
}

.stat-icon-blue {
  background-color: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
}

.stat-icon-green {
  background-color: rgba(34, 197, 94, 0.15);
  color: var(--accent-green);
}

.stat-icon-orange {
  background-color: rgba(249, 115, 22, 0.15);
  color: var(--accent-orange);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.stat-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  margin-top: 2px;
}

/* Filter & Search Bar */
.filter-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.filter-form {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 180px;
}

.form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.form-input, .form-select {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-main);
  font-size: 14px;
  font-family: inherit;
  width: 100%;
  transition: border-color 0.2s ease;
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent-indigo);
}

/* Table View */
.table-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  background-color: rgba(15, 23, 42, 0.6);
  padding: 14px 18px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
  vertical-align: middle;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Call Badges & Audio Player */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
}

.badge-incoming {
  background-color: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

.badge-outgoing {
  background-color: rgba(34, 197, 94, 0.15);
  color: #4ade80;
}

.badge-missed {
  background-color: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

.audio-player-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

audio {
  height: 36px;
  border-radius: var(--radius-md);
  max-width: 260px;
}

/* Empty State (Rule #13) */
.empty-state {
  text-align: center;
  padding: 48px 24px;
}

.empty-icon {
  font-size: 48px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.empty-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
}

.empty-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* Auth Cards */
.auth-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-lg);
}

.auth-header {
  text-align: center;
  margin-bottom: 28px;
}

.auth-logo {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-blue));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 28px;
  margin: 0 auto 16px auto;
}

/* Form error inline messaging (Rule #8) */
.form-error {
  color: var(--accent-red);
  font-size: 12px;
  margin-top: 4px;
}

.pagination-wrapper {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
}

/* Mobile Responsive Breakpoints (Rule #7) */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .main-content {
    margin-left: 0;
    padding: 16px;
  }
  .data-table th:nth-child(4), .data-table td:nth-child(4) {
    display: none;
  }
  audio {
    max-width: 160px;
  }
}