/* Santander Dashboard - Modern Google Material 3 (Midnight Navy) */

:root {
  /* Background: Deep Navy-Black */
  --bg-base: #0b0e14; 
  --bg-surface: #0b0e14;
  
  /* Cards: Deep Slate Navy (Lighter than background for elevation) */
  --bg-elevated: #151921; 
  --bg-hover: rgba(138, 180, 248, 0.08); 
  --bg-active: rgba(138, 180, 248, 0.12);
  
  /* Tonal Blue Palette */
  --primary: #8ab4f8; /* Logo Blue */
  --on-primary: #002d6b;
  --primary-container: #004494;
  --on-primary-container: #d6e3ff;
  
  --secondary: #bec6dc;
  --on-secondary: #283141;
  --secondary-container: #3f4759;
  --on-secondary-container: #dae2f9;
  
  --error: #f2b8b5;
  --on-error: #601410;
  --error-container: #8c1d18;
  --on-error-container: #f9dedc;
  
  --outline: #8e9199;
  --outline-variant: #2d333b; /* Subtle card border */
  
  /* Status Colors (Vibrant) */
  --success: #00e676;
  --success-muted: rgba(0, 230, 118, 0.15);
  --danger: #ff1744;
  --danger-muted: rgba(255, 23, 68, 0.15);
  --warning: #efc18d;
  --warning-muted: #482a08;
  --info: #a1ceff;
  --info-muted: #003258;
  
  /* Compatibility Aliases */
  --accent: var(--primary);
  --accent-muted: rgba(138, 180, 248, 0.15);
  --accent-glow: rgba(138, 180, 248, 0.25);
  --accent-text: var(--primary);
  --border-subtle: var(--outline-variant);
  --border-default: var(--outline);
  --success-text: var(--success);
  --danger-text: var(--danger);
  --warning-text: var(--warning);
  --info-text: var(--info);
  
  /* Text */
  --text-primary: #e2e2e6;
  --text-secondary: #c4c6d0;
  --text-tertiary: #909094;
  --text-muted: #74777f;
  
  /* Fonts */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 28px;
  --radius-full: 100px;
  
  --sidebar-width: 280px;
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background-color: var(--bg-base); color: var(--text-primary); font-family: var(--font-sans); line-height: 1.6; min-height: 100vh; overflow-x: hidden; -webkit-tap-highlight-color: transparent; }

/* Navigation Drawer */
.sidebar {
  position: fixed; left: 0; top: 0; bottom: 0; width: var(--sidebar-width);
  background: var(--bg-base); border: none; padding: 12px; display: flex; flex-direction: column; z-index: 100;
}

.sidebar-top { padding: 12px; margin-bottom: 24px; display: flex; align-items: center; gap: 8px; }
.sidebar-logo { border-radius: var(--radius-full); padding: 8px; transition: background 0.2s; display: flex; align-items: center; justify-content: center; }
.sidebar-logo img { filter: none !important; width: 32px; height: 32px; }
.sidebar-divider { height: 1px; background: var(--outline-variant); margin: 8px 12px 16px; }

.sidebar-nav { flex: 1; padding: 0 4px; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 0 24px; height: 56px;
  border-radius: var(--radius-full); color: var(--text-secondary); text-decoration: none;
  font-weight: 500; transition: all var(--transition-normal); margin-bottom: 4px;
}
.nav-item:hover { background-color: var(--bg-hover); color: var(--text-primary); }
.nav-item.active { background-color: var(--secondary-container); color: var(--on-secondary-container); }
.nav-item::before { display: none !important; }

.nav-icon { width: 24px; height: 24px; flex-shrink: 0; }
.nav-label { font-size: 14px; letter-spacing: 0.1px; }
.sidebar-footer { padding: 12px; border-top: 1px solid var(--outline-variant); }

/* Main Content Area */
.main-content { margin-left: var(--sidebar-width); padding: 24px 32px; min-height: 100vh; background-color: var(--bg-base); }

/* Page Header */
.page-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 32px; gap: 16px; flex-wrap: wrap; }
.page-title { font-size: 32px; font-weight: 400; color: var(--text-primary); background: none !important; -webkit-text-fill-color: initial !important; }
.page-subtitle { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }
.page-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

/* Stats Grid & Cards */
.stats-grid, .settings-stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card, .card, .settings-stat-card { background-color: var(--bg-elevated); border: 1px solid var(--outline-variant) !important; border-radius: var(--radius-lg); padding: 24px; box-shadow: none !important; position: relative; transition: border-color 0.2s; }
.stat-card:hover, .card:hover { border-color: var(--outline) !important; }
.stat-card::before { display: none !important; }

.stat-label, .settings-stat-label { color: var(--text-secondary); font-size: 14px; font-weight: 500; text-transform: none; letter-spacing: 0.1px; }
.stat-value, .settings-stat-value { font-size: 32px; font-weight: 400; color: var(--text-primary); background: none !important; -webkit-text-fill-color: initial !important; margin-top: 4px; }
.stat-value.success { color: var(--success) !important; }
.stat-value.danger { color: var(--danger) !important; }

/* Card Components */
.card-header { background: transparent !important; border-bottom: 1px solid var(--outline-variant) !important; padding: 16px 24px; display: flex; align-items: center; justify-content: space-between; }
.card-title { font-size: 20px; font-weight: 400; color: var(--text-primary); margin: 0; }
.card-body { padding: 24px; }

/* Buttons */
.btn { 
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px;
  padding: 0 24px; border-radius: var(--radius-full); border: none !important; 
  font-size: 14px; font-weight: 500; cursor: pointer; transition: all 0.2s;
  text-decoration: none; color: var(--text-primary); background-color: var(--bg-elevated);
}
.btn:hover { background-color: var(--bg-hover); transform: none !important; }
.btn-primary { background-color: var(--primary) !important; color: var(--on-primary) !important; }
.btn-primary:hover { opacity: 0.9; box-shadow: 0 1px 3px 1px rgba(0,0,0,0.15), 0 1px 2px rgba(0,0,0,0.3) !important; }
.btn-success { background-color: var(--success-muted) !important; color: var(--success) !important; }
.btn-danger { background-color: var(--danger-muted) !important; color: var(--danger) !important; }
.btn-sm { height: 32px; padding: 0 16px; font-size: 13px; }

/* Badges */
.badge { border-radius: 8px; padding: 6px 12px; font-weight: 500; font-size: 12px; display: inline-flex; align-items: center; }
.badge-success { background: var(--success-muted); color: var(--success); }
.badge-danger { background: var(--danger-muted); color: var(--danger); }
.badge-warning { background: var(--warning-muted); color: var(--warning); }
.badge-secondary { background: var(--bg-active); color: var(--text-secondary); }

/* Forms */
.form-input { 
  background-color: var(--bg-base); border: 1px solid var(--outline-variant); border-radius: 4px;
  color: var(--text-primary); padding: 8px 16px; height: 40px; font-size: 14px; width: 100%;
}
.form-input:focus { border-color: var(--primary); outline: none; border-width: 2px; }
.form-select { appearance: none; padding-right: 32px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23938f99'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 8px center; background-size: 16px; }

/* Toggle */
.toggle { position: relative; display: inline-block; width: 52px; height: 32px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: var(--outline-variant); transition: .4s; border-radius: 32px; }
.toggle-slider:before { position: absolute; content: ""; height: 24px; width: 24px; left: 4px; bottom: 4px; background-color: white; transition: .4s; border-radius: 50%; }
input:checked + .toggle-slider { background-color: var(--primary); }
input:checked + .toggle-slider:before { transform: translateX(20px); background-color: var(--on-primary); }

/* Tables */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { text-align: left; padding: 12px 16px; background: transparent; color: var(--primary); text-transform: none; border-bottom: 1px solid var(--outline-variant); font-weight: 500; font-size: 14px; white-space: nowrap; }
.data-table td { border-bottom: 1px solid var(--outline-variant); padding: 16px; font-size: 14px; color: var(--text-primary); }
.data-table tr:hover td { background: var(--bg-hover); }

/* Containers Grid */
.container-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.container-card { background: var(--bg-elevated); border: 1px solid var(--outline-variant) !important; border-radius: var(--radius-lg); padding: 24px; transition: background 0.2s, border-color 0.2s; }
.container-card:hover { background: var(--bg-hover); border-color: var(--outline) !important; }
.container-card.running { border-left: none !important; }
.container-header { margin-bottom: 16px; display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.container-name { font-size: 18px; font-weight: 500; color: var(--text-primary); word-break: break-all; }
.container-image { font-size: 12px; color: var(--text-tertiary); font-family: var(--font-mono); margin-top: 4px; word-break: break-all; }
.container-meta { border-top: 1px solid var(--outline-variant); padding-top: 16px; display: flex; justify-content: space-between; align-items: center; }

/* Settings Styles */
.settings-section { margin-bottom: 32px; }
.settings-section-header { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.settings-section-icon { width: 40px; height: 40px; border-radius: 8px; background: var(--secondary-container); color: var(--on-secondary-container); display: flex; align-items: center; justify-content: center; }
.settings-section-title { font-size: 20px; font-weight: 400; color: var(--text-primary); }
.settings-group { background: var(--bg-elevated); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--outline-variant); }
.settings-item { display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; border-bottom: 1px solid var(--outline-variant); gap: 16px; }
.settings-item:last-child { border-bottom: none; }
.settings-item-label { font-size: 16px; font-weight: 400; color: var(--text-primary); display: flex; align-items: center; gap: 12px; }
.settings-item-hint { font-size: 14px; color: var(--text-secondary); margin-top: 2px; }
.settings-row-icon { font-size: 20px; width: 24px; display: inline-block; text-align: center; }

/* Toast */
.toast { border-radius: var(--radius-md); border: none; backdrop-filter: none; background: var(--bg-elevated); color: var(--text-primary); box-shadow: 0 4px 12px rgba(0,0,0,0.5); border: 1px solid var(--outline-variant); }
.toast-success { background: var(--success-muted); color: var(--success); border-color: var(--success); }
.toast-error { background: var(--danger-muted); color: var(--danger); border-color: var(--danger); }
.toast-warning { background: var(--warning-muted); color: var(--warning); border-color: var(--warning); }
.toast-info { background: var(--info-muted); color: var(--info); border-color: var(--info); }

/* Search Overlay */
.search-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.85); backdrop-filter: blur(8px); z-index: 1000; opacity: 0; visibility: hidden; pointer-events: none; transition: all 0.3s; }
.search-overlay.active { opacity: 1; visibility: visible; pointer-events: auto; }
.search-overlay-content { position: absolute; top: 10%; left: 50%; transform: translateX(-50%); width: 95%; max-width: 600px; background: var(--bg-elevated); border-radius: var(--radius-xl); box-shadow: 0 8px 32px rgba(0,0,0,0.6); overflow: hidden; border: 1px solid var(--outline-variant); }
.search-overlay-header { padding: 16px; border-bottom: 1px solid var(--outline-variant); }
.search-overlay-input-wrapper { display: flex; align-items: center; gap: 12px; }
.search-overlay-input { flex: 1; background: transparent; border: none; color: var(--text-primary); font-size: 18px; outline: none; width: 100%; }
.search-overlay-results { max-height: 60vh; overflow-y: auto; padding: 8px; }
.search-overlay-item { display: block; padding: 12px 16px; border-radius: var(--radius-md); color: var(--text-primary); text-decoration: none; transition: background 0.2s; }
.search-overlay-item:hover { background: var(--bg-hover); }
.search-overlay-item-name { font-weight: 500; }
.search-overlay-item-desc { font-size: 13px; color: var(--text-secondary); }
.search-overlay-item-url { font-size: 11px; color: var(--text-muted); margin-top: 4px; word-break: break-all; }
.search-overlay-empty { padding: 32px; text-align: center; color: var(--text-secondary); }
.search-overlay-loading { padding: 32px; text-align: center; }

/* Tabs */
.tabs-container { margin-bottom: 24px; overflow-x: auto; padding-bottom: 4px; }
.tabs { display: flex; gap: 8px; background: var(--bg-elevated); padding: 4px; border-radius: var(--radius-full); width: fit-content; border: 1px solid var(--outline-variant); min-width: min-content; }
.tab { padding: 8px 24px; font-size: 14px; font-weight: 500; color: var(--text-secondary); text-decoration: none; border-radius: var(--radius-full); transition: all 0.2s; white-space: nowrap; }
.tab:hover { color: var(--text-primary); background: var(--bg-hover); }
.tab.active { color: var(--on-secondary-container); background: var(--secondary-container); }

/* Skeleton */
.skeleton { background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-hover) 50%, var(--bg-elevated) 75%); background-size: 200% 100%; animation: skeleton-loading 1.5s ease-in-out infinite; border-radius: var(--radius-xs); display: inline-block; }
@keyframes skeleton-loading { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.skeleton-title { height: 24px; }
.skeleton-text { height: 16px; }

/* Utilities */
.text-muted { color: var(--text-tertiary); }
.spinner { width: 24px; height: 24px; border: 2px solid var(--outline-variant); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.spinner-sm { width: 16px; height: 16px; border-width: 2px; }
.w-4 { width: 16px; }
.h-4 { height: 16px; }
.w-5 { width: 20px; }
.h-5 { height: 20px; }
.empty-state { padding: 48px; text-align: center; color: var(--text-tertiary); }
.empty-state-icon { width: 48px; height: 48px; color: var(--text-muted); margin-bottom: 16px; }
.empty-state-title { font-size: 1.1rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 8px; }
.empty-state-text { font-size: 0.9rem; }

/* Horizontal Table Scroll Container */
.card-body:has(.data-table) { overflow-x: auto; }

/* Mobile Optimizations */
@media (max-width: 768px) {
  /* Bottom Navigation */
  .sidebar { 
    width: 100%; height: auto; position: fixed; bottom: 0; left: 0; right: 0; top: auto; 
    flex-direction: row; border-top: 1px solid var(--outline-variant); padding: 8px 4px; 
    justify-content: space-around; background: rgba(11, 14, 20, 0.9); backdrop-filter: blur(12px); 
    box-shadow: 0 -4px 12px rgba(0,0,0,0.5);
  }
  .sidebar-top, .sidebar-divider, .sidebar-footer, .nav-label { display: none !important; }
  .sidebar-nav { flex-direction: row; padding: 0; display: flex; justify-content: space-around; width: 100%; overflow: hidden; }
  .nav-item { 
    padding: 0; justify-content: center; height: 48px; width: 48px; margin: 0; 
    border-radius: 16px; background: transparent; 
  }
  .nav-item.active { background-color: var(--secondary-container); }
  .nav-icon { width: 26px; height: 26px; }

  /* Content Spacing */
  .main-content { margin-left: 0; padding: 16px 12px 80px; }
  
  /* Header Scaling */
  .page-header { margin-bottom: 24px; gap: 12px; }
  .page-title { font-size: 26px; }
  .page-actions { width: 100%; }
  .page-actions select, .page-actions button { flex: 1; height: 44px; }

  /* Grid Scaling */
  .stats-grid, .settings-stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card, .settings-stat-card { padding: 16px; border-radius: 12px; }
  .stat-value, .settings-stat-value { font-size: 24px; }
  .stat-label { font-size: 12px; }

  /* Cards */
  .card-header { padding: 12px 16px; }
  .card-title { font-size: 16px; }
  .card-body { padding: 16px; }
  .container-grid { grid-template-columns: 1fr; gap: 12px; }
  .container-card { padding: 16px; }

  /* Forms & Settings */
  .settings-item { padding: 12px 16px; flex-direction: column; align-items: flex-start; gap: 12px; }
  .settings-item-control { width: 100%; }
  .settings-item-control select, .settings-item-control input { width: 100% !important; }
  .settings-item-control .toggle { float: right; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .page-title { font-size: 22px; }
  .nav-item { width: 44px; height: 44px; }
}


/* Sign Out Button Styling */
.sidebar-logout button.nav-item {
  width: 100%;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
}

.sidebar-logout button.nav-item:hover {
  background-color: var(--danger-muted);
  color: var(--danger);
}

.sidebar-logout .nav-icon {
  color: inherit;
}

.sign-out-btn {
  width: 100%;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 24px;
  height: 56px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
}

.sign-out-btn:hover {
  background-color: var(--danger-muted) !important;
  color: var(--danger) !important;
}