/* Chilean Logistics Risk Radar — Unified Stylesheet v0.5 */
/* No external dependencies. No network fonts. Offline-only. */

:root {
  --color-primary: #003366;
  --color-primary-light: #005599;
  --color-secondary: #c0392b;
  --color-gray-100: #f8f9fa;
  --color-gray-200: #e9ecef;
  --color-gray-300: #dee2e6;
  --color-gray-400: #ced4da;
  --color-gray-500: #adb5bd;
  --color-gray-600: #6c757d;
  --color-gray-700: #495057;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;
  --color-white: #ffffff;
  --color-high: #e74c3c;
  --color-medium: #f39c12;
  --color-low: #27ae60;
  --color-dhl: #d40511;
  --color-fedex: #4d148c;
  --color-ups: #6b3fa0;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 1200px;
  --header-height: 64px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--color-gray-900);
  background: var(--color-gray-100);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header.site-header {
  background: var(--color-primary);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header.site-header .header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  height: var(--header-height);
  gap: 1rem;
}

header.site-header .logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
  white-space: nowrap;
}

header.site-header .logo:hover {
  opacity: 0.9;
}

header.site-header nav {
  display: flex;
  gap: 0.5rem;
  flex: 1;
  justify-content: flex-end;
  align-items: center;
}

header.site-header nav a {
  color: var(--color-white);
  text-decoration: none;
  padding: 0.375rem 0.75rem;
  border-radius: 4px;
  font-size: 0.875rem;
  transition: background 0.2s;
}

header.site-header nav a:hover,
header.site-header nav a.active {
  background: rgba(255,255,255,0.15);
}

/* Language switcher */
.lang-switcher {
  display: flex;
  gap: 0.25rem;
  margin-left: 0.5rem;
  border-left: 1px solid rgba(255,255,255,0.3);
  padding-left: 0.5rem;
}

.lang-switcher a {
  font-size: 0.75rem;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  color: var(--color-white);
  text-decoration: none;
  opacity: 0.7;
}

.lang-switcher a.active,
.lang-switcher a:hover {
  opacity: 1;
  background: rgba(255,255,255,0.15);
}

/* Main content */
main {
  flex: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1rem;
  width: 100%;
}

/* Hero */
.hero {
  text-align: center;
  padding: 4rem 1rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, #001a33 100%);
  color: var(--color-white);
  border-radius: 8px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.125rem;
  max-width: 700px;
  margin: 0 auto 1.5rem;
  opacity: 0.9;
}

.hero .disclaimer {
  font-size: 0.875rem;
  opacity: 0.7;
  font-style: italic;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
  padding: 1.5rem;
  transition: box-shadow 0.2s;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.card h3 {
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
}

.card p {
  color: var(--color-gray-600);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.card .card-stat {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0.5rem 0;
}

/* Sections */
.section {
  margin: 3rem 0;
}

.section h2 {
  color: var(--color-primary);
  font-size: 1.75rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--color-gray-200);
  padding-bottom: 0.5rem;
}

.section h3 {
  color: var(--color-gray-800);
  font-size: 1.25rem;
  margin: 1.5rem 0 0.75rem;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  background: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-gray-200);
}

.data-table th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
}

.data-table td {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--color-gray-200);
  font-size: 0.9375rem;
}

.data-table tr:hover td {
  background: var(--color-gray-100);
}

/* Impact badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-high {
  background: var(--color-high);
  color: var(--color-white);
}

.badge-medium {
  background: var(--color-medium);
  color: var(--color-white);
}

.badge-low {
  background: var(--color-low);
  color: var(--color-white);
}

/* Filter controls */
.filter-bar {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1rem 0;
  padding: 1rem;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
}

.filter-bar label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-gray-700);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-bar select,
.filter-bar input {
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--color-gray-300);
  border-radius: 4px;
  font-size: 0.875rem;
  background: var(--color-white);
}

.filter-bar .filter-count {
  margin-left: auto;
  font-size: 0.875rem;
  color: var(--color-gray-600);
}

/* Status indicators */
.status-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 0.375rem;
}

.status-ok { background: var(--color-low); }
.status-warn { background: var(--color-medium); }
.status-err { background: var(--color-high); }

/* Alert banner */
.alert-banner {
  padding: 1rem;
  border-radius: 8px;
  margin: 1rem 0;
  font-size: 0.9375rem;
}

.alert-warning {
  background: #fff3cd;
  border: 1px solid #ffc107;
  color: #856404;
}

.alert-info {
  background: #d1ecf1;
  border: 1px solid #17a2b8;
  color: #0c5460;
}

.alert-danger {
  background: #f8d7da;
  border: 1px solid #dc3545;
  color: #721c24;
}

/* Contact form */
.contact-form {
  max-width: 600px;
  margin: 2rem 0;
}

.contact-form .form-group {
  margin-bottom: 1rem;
}

.contact-form label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-gray-700);
  margin-bottom: 0.375rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--color-gray-300);
  border-radius: 4px;
  font-size: 1rem;
  font-family: var(--font-family);
}

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-form .btn {
  padding: 0.75rem 1.5rem;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

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

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

.contact-form .form-error {
  color: var(--color-high);
  font-size: 0.8125rem;
  margin-top: 0.25rem;
}

.contact-form .form-success {
  background: #d4edda;
  border: 1px solid #28a745;
  color: #155724;
  padding: 1rem;
  border-radius: 4px;
  margin: 1rem 0;
}

/* Footer */
footer.site-footer {
  background: var(--color-gray-800);
  color: var(--color-gray-400);
  padding: 2rem 1rem;
  margin-top: auto;
}

footer.site-footer .footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

footer.site-footer .disclaimer {
  font-size: 0.8125rem;
  max-width: 700px;
  line-height: 1.5;
}

footer.site-footer .footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

footer.site-footer .footer-links a {
  color: var(--color-gray-400);
  text-decoration: none;
  font-size: 0.875rem;
}

footer.site-footer .footer-links a:hover {
  color: var(--color-white);
}

/* Source family weights */
.weight-bar {
  display: flex;
  height: 24px;
  border-radius: 12px;
  overflow: hidden;
  margin: 1rem 0;
}

.weight-bar .segment {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-white);
  transition: flex-basis 0.3s;
}

.weight-official { background: var(--color-primary); }
.weight-terminal { background: var(--color-medium); }
.weight-commercial { background: var(--color-secondary); }
.weight-social { background: var(--color-gray-500); }

/* Provider cards */
.provider-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.provider-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
  padding: 1.25rem;
}

.provider-card h4 {
  color: var(--color-gray-800);
  margin-bottom: 0.5rem;
}

.provider-card .provider-status {
  font-size: 0.875rem;
  color: var(--color-gray-600);
}

/* Loading state */
.loading {
  text-align: center;
  padding: 2rem;
  color: var(--color-gray-500);
}

.loading::after {
  content: '';
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid var(--color-gray-300);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 0.5rem;
  vertical-align: middle;
}

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

/* Error state */
.error-state {
  text-align: center;
  padding: 2rem;
  color: var(--color-high);
}

/* Responsive */
@media (max-width: 768px) {
  header.site-header nav {
    gap: 0.25rem;
  }
  
  header.site-header nav a {
    font-size: 0.8125rem;
    padding: 0.25rem 0.5rem;
  }

  .hero h1 { font-size: 1.75rem; }
  .hero { padding: 2rem 1rem; }
  
  .card-grid { grid-template-columns: 1fr; }

  .filter-bar { flex-direction: column; }
  .filter-bar .filter-count { margin-left: 0; }

  .data-table { font-size: 0.875rem; }
  .data-table th,
  .data-table td { padding: 0.5rem; }
}

@media (max-width: 480px) {
  header.site-header .logo { font-size: 1rem; }
  header.site-header nav { overflow-x: auto; }
  
  .lang-switcher { display: none; }
}