/* Sistema de Certificados - Cruz Roja Peruana */
/* Estilos principales optimizados */

/* Variables CSS para consistencia */
:root {
  --cruz-roja-red: #E31837;
  --background-color: #f5f5f5;
  --white: #ffffff;
  --black: #000000;
  --gray-light: #ccc;
  --shadow-light: rgba(0,0,0,0.1);
  --shadow-medium: rgba(0,0,0,0.15);
  --shadow-dark: rgba(0,0,0,0.5);
  --transition-fast: 0.3s ease;
}

/* Estilos base */
body {
  font-family: 'Roboto', sans-serif;
  background-color: var(--background-color);
}

.cruz-roja-red {
  background-color: var(--cruz-roja-red);
}

.cruz-roja-logo {
  height: 40px;
}

/* Layout principal */
.sidebar {
  height: calc(100vh - 64px);
  transition: transform var(--transition-fast);
}

.table-container {
  overflow-x: auto;
}

/* Estilos de login */
.login-container {
  min-height: 100vh;
  background-image: url('./assets/images/fondo.jpg');
  background-size: cover;
  background-position: center;
}

.login-overlay {
  background-color: rgba(0,0,0,0.6);
  min-height: 100vh;
}

.login-box {
  background-color: rgba(255,255,255,0.95);
  border-radius: 8px;
  box-shadow: 0 10px 25px var(--shadow-dark);
}

/* Zona de arrastrar y soltar */
.drag-drop-zone {
  border: 2px dashed var(--gray-light);
  border-radius: 5px;
  padding: 25px;
  text-align: center;
  transition: all var(--transition-fast);
}

.drag-drop-zone:hover, 
.drag-drop-zone.active {
  border-color: var(--cruz-roja-red);
  background-color: rgba(227, 24, 55, 0.05);
}

/* Animaciones y transiciones */
.btn, .card, .modal, .sidebar {
  transition: all var(--transition-fast);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--shadow-medium);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-light);
}

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

.fade-in {
  animation: fadeIn var(--transition-fast) ease-out;
}

/* Responsive Design - Tablet y móvil */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    z-index: 50;
    transform: translateX(-100%);
    height: 100vh;
  }
  
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0 !important;
    padding: 1rem;
    width: 100% !important;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem;
  }
  
  .quick-actions-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.75rem;
  }
  
  .table-container {
    -webkit-overflow-scrolling: touch;
  }
  
  .table-container table {
    min-width: 600px;
  }
  
  .modal-content {
    margin: 1rem;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
    max-width: calc(100vw - 2rem);
  }
  
  .certificate-preview {
    transform: scale(0.7);
    transform-origin: top left;
    width: 142.86%;
  }
  
  .search-filter-container {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .search-filter-container > div {
    width: 100%;
  }
  
  .btn-group {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .btn-group .btn {
    width: 100%;
  }
  
  .stats-card h3 {
    font-size: 1.5rem;
  }
  
  .stats-card p {
    font-size: 0.875rem;
  }
  
  /* Botón de menú móvil */
  .mobile-menu-btn {
    display: block;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 60;
    background: var(--cruz-roja-red);
    color: var(--white);
    border: none;
    padding: 0.75rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 10px var(--shadow-light);
  }
  
  .mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 40;
  }
  
  .mobile-overlay.active {
    display: block;
  }
}

/* Desktop */
@media (min-width: 769px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* Móvil pequeño */
@media (max-width: 480px) {
  .quick-actions-grid {
    grid-template-columns: 1fr !important;
  }
  
  .modal-content {
    margin: 0.5rem;
    max-height: calc(100vh - 1rem);
    max-width: calc(100vw - 1rem);
  }
  
  .certificate-preview {
    transform: scale(0.5);
    width: 200%;
  }
  
  .table-container table {
    font-size: 0.875rem;
  }
  
  .btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
  }
  
  .stats-card {
    padding: 1rem;
  }
  
  .stats-card h3 {
    font-size: 1.25rem;
  }
  
  .mobile-menu-btn {
    padding: 0.5rem;
    top: 0.5rem;
    left: 0.5rem;
  }
}