/* IPTruth - Clean, Professional Design */

/* ============================================
   CSS Variables
   ============================================ */
:root {
  /* Colors */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;

  /* Light mode colors */
  --color-bg: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);

  /* Layout */
  --max-width: 900px;
}

/* Dark mode */
[data-theme="dark"] {
  --color-bg: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-text: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-border: #334155;
  --color-border-light: #1e293b;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a:hover {
  text-decoration: underline;
}

/* ============================================
   Header
   ============================================ */
.header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
}

.logo-icon {
  flex-shrink: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav-link {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all 0.15s ease;
}

.nav-link:hover {
  color: var(--color-text);
  background: var(--color-bg-secondary);
  text-decoration: none;
}

.nav-link.active {
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.1);
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-left: var(--spacing-md);
  padding-left: var(--spacing-md);
  border-left: 1px solid var(--color-border);
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all 0.15s ease;
}

.theme-toggle-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.theme-toggle-btn svg {
  width: 18px;
  height: 18px;
}

.theme-toggle-btn .icon-sun,
[data-theme="dark"] .theme-toggle-btn .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle-btn .icon-sun {
  display: block;
}

/* ============================================
   Main Layout
   ============================================ */
.main {
  min-height: calc(100vh - 140px);
  padding: var(--spacing-xl) 0;
}

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

/* ============================================
   Breadcrumb
   ============================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
}

.breadcrumb a {
  color: var(--color-primary);
}

.breadcrumb span {
  color: var(--color-text-muted);
}

/* ============================================
   IP Header
   ============================================ */
.ip-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.ip-title {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all 0.15s ease;
}

.btn-icon:hover:not(:disabled) {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-icon:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-icon.copied {
  color: var(--color-success);
  border-color: var(--color-success);
}

/* Location Badge */
.location-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.location-badge svg {
  color: var(--color-text-muted);
}

/* ============================================
   Search Box
   ============================================ */
.search-box {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.search-form {
  display: flex;
  gap: var(--spacing-sm);
}

.search-input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color 0.15s ease;
}

.search-input:focus {
  border-color: var(--color-primary);
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-primary);
  color: white;
  font-size: 0.9375rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

/* ============================================
   Cards
   ============================================ */
.results {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

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

.card-header-row .card-title {
  margin-bottom: 0;
}

.btn-text {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
}

.btn-text:hover {
  background: rgba(37, 99, 235, 0.1);
}

/* ============================================
   Data Table
   ============================================ */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table tr {
  border-bottom: 1px solid var(--color-border-light);
}

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

.data-table td {
  padding: var(--spacing-sm) 0;
  vertical-align: top;
}

.data-table .label {
  width: 140px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.data-table .value {
  font-size: 0.875rem;
  color: var(--color-text);
}

.data-table .value a {
  color: var(--color-primary);
}

/* Boolean indicators */
.bool-true {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-danger);
}

.bool-false {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-success);
}

.bool-neutral {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-secondary);
}

.bool-icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bool-true .bool-icon {
  background: rgba(239, 68, 68, 0.1);
}

.bool-false .bool-icon {
  background: rgba(16, 185, 129, 0.1);
}

.bool-neutral .bool-icon {
  background: rgba(100, 116, 139, 0.1);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 2px var(--spacing-sm);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
}

/* ============================================
   Geo Grid (Map + Data)
   ============================================ */
.geo-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--spacing-lg);
}

@media (max-width: 700px) {
  .geo-grid {
    grid-template-columns: 1fr;
  }
}

.map-wrapper {
  display: flex;
  flex-direction: column;
}

.map-container {
  width: 100%;
  height: 180px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.map-coords {
  margin-top: var(--spacing-sm);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  text-align: center;
}

/* ============================================
   JSON View
   ============================================ */
.json-view {
  background: #1e293b;
  color: #e2e8f0;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

[data-theme="dark"] .json-view {
  background: #0f172a;
  border: 1px solid var(--color-border);
}

/* ============================================
   Prefix List (ASN Page)
   ============================================ */
.prefix-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.prefix-list .prefix-link {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-primary);
  transition: all 0.15s ease;
}

.prefix-list .prefix-link:hover {
  background: var(--color-primary);
  color: white;
  text-decoration: none;
}

.prefix-count {
  font-weight: 400;
  color: var(--color-text-muted);
}

.no-data {
  color: var(--color-text-muted);
  font-style: italic;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-2xl);
}

.footer p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* ============================================
   Toast
   ============================================ */
.toast {
  position: fixed;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-text);
  color: var(--color-bg);
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 1000;
}

.toast.hidden {
  display: none;
}

/* ============================================
   Utilities
   ============================================ */
.hidden {
  display: none !important;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 600px) {
  .header-container {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }

  .nav-menu {
    order: 3;
    width: 100%;
    justify-content: center;
  }

  .theme-toggle {
    margin-left: auto;
    padding-left: 0;
    border-left: none;
  }

  .ip-title {
    font-size: 1.5rem;
  }

  .search-form {
    flex-direction: column;
  }

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

  .data-table .label {
    width: 100px;
  }

  .rate-limit-bars {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .rate-limit-item {
    min-width: 100%;
  }
}

/* ============================================
   Rate Limit Display
   ============================================ */
.rate-limit-status {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.rate-limit-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.rate-limit-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.rate-limit-bars {
  display: flex;
  gap: var(--spacing-lg);
  flex: 1;
  align-items: center;
}

.rate-limit-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
  min-width: 120px;
}

.rate-limit-period {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  min-width: 32px;
}

.rate-limit-bar {
  flex: 1;
  height: 8px;
  background: var(--color-border-light);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.rate-limit-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.3s ease, background-color 0.3s ease;
}

.rate-limit-fill.normal {
  background: var(--color-success);
}

.rate-limit-fill.warning {
  background: var(--color-warning);
}

.rate-limit-fill.danger {
  background: var(--color-danger);
}

.rate-limit-text {
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  min-width: 48px;
  text-align: right;
}

/* ============================================
   Load More Button
   ============================================ */
.btn-load-more {
  display: block;
  width: 100%;
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-load-more:hover {
  background: var(--color-bg);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-load-more:active {
  transform: scale(0.98);
}

/* ============================================
   JSON Expand Button
   ============================================ */
.json-expand-btn {
  display: block;
  width: 100%;
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.json-expand-btn:hover {
  background: var(--color-bg);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.json-expand-btn:active {
  transform: scale(0.98);
}