/* ============================================
   Centro de Ayuda - Estilos CSS (Solo Modo Claro)
   ============================================ */

/* Variables de tema */
:root {
  --primary-color: #c41e3a;
  --primary-hover: #a01729;
  --secondary-color: #2c3e50;
  --background-color: #f8f9fa;
  --surface-color: #ffffff;
  --text-primary: #2c3e50;
  --text-secondary: #6c757d;
  --border-color: #dee2e6;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
  --radius: 8px;
  --transition: all 0.3s ease;
}

/* Reset y base */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--background-color);
  color: var(--text-primary);
  transition: var(--transition);
  min-height: 100vh;
}

/* Container principal */
.container {
  display: grid;
  grid-template-areas: 
    "header header"
    "nav main"
    "footer footer";
  grid-template-columns: 300px 1fr;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
  max-width: 1400px;
  margin: 0 auto;
}

/* Header */
.header {
  grid-area: header;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: white;
  padding: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
}

.header-content h1 {
  margin: 0 0 0.5rem 0;
  font-size: 2rem;
  font-weight: 700;
}

.header-content p {
  margin: 0;
  opacity: 0.9;
  font-size: 1.1rem;
}

/* Main Content */
.main-content {
  grid-area: main;
  background-color: var(--surface-color);
  padding: 2rem;
  overflow-y: auto;
}

/* Welcome Message */
.welcome-message {
  text-align: center;
  padding: 3rem 2rem;
  max-width: 600px;
  margin: 0 auto;
}

.welcome-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.welcome-message h2 {
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-size: 2rem;
}

.welcome-message p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.auth-status {
  margin-top: 2rem;
  padding: 1rem;
  background: var(--background-color);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.auth-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.auth-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Footer */
.footer {
  grid-area: footer;
  background: var(--secondary-color);
  color: white;
  padding: 1.5rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.footer p {
  margin: 0 0 0.5rem 0;
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
}

.footer-links a {
  color: white;
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9rem;
}

.footer-links a:hover {
  opacity: 0.8;
}

/* Navigation */
.document-nav {
  grid-area: nav;
  background-color: var(--surface-color);
  border-right: 1px solid var(--border-color);
  padding: 1.5rem;
  overflow-y: auto;
  max-height: calc(100vh - 200px);
}

.nav-header h2 {
  margin: 0 0 1rem 0;
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 600;
}

.loading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-color);
  border-top: 2px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.document-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.document-item {
  margin-bottom: 0.5rem;
}

.document-link {
  display: block;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--text-primary);
  background-color: transparent;
  border-radius: var(--radius);
  transition: var(--transition);
  border: 1px solid transparent;
  font-size: 0.95rem;
}

.document-link:hover {
  background-color: var(--background-color);
  border-color: var(--border-color);
  transform: translateX(4px);
}

.document-link.active {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.document-visibility {
  font-size: 0.8rem;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-weight: 500;
}

.document-visibility.public {
  background: #d4edda;
  color: #155724;
}

.error-message {
  position: fixed;
  top: 20px;
  right: 20px;
  background: #f8d7da;
  color: #721c24;
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid #f5c6cb;
  box-shadow: var(--shadow);
  z-index: 1000;
  max-width: 400px;
}

.error-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.error-close {
  background: none;
  border: none;
  color: inherit;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0;
  margin-left: 0.5rem;
}