/* ========================================
   DASHBOARD PROFESIONAL Y RESPONSIVO
   ======================================== */

/* Variables CSS para consistencia */
:root {
  --dashboard-bg: #0f172a;
  --dashboard-card-bg: #1e293b;
  --dashboard-surface: #334155;
  --dashboard-text: #f8fafc;
  --dashboard-text-muted: #94a3b8;
  --dashboard-primary: #3b82f6;
  --dashboard-primary-hover: #2563eb;
  --dashboard-success: #10b981;
  --dashboard-warning: #f59e0b;
  --dashboard-danger: #ef4444;
  --dashboard-border: #475569;
  --dashboard-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --dashboard-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --dashboard-radius: 12px;
  --dashboard-radius-sm: 8px;
  --dashboard-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: var(--dashboard-text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

/* ========================================
   LAYOUT PRINCIPAL
   ======================================== */

.dashboard-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  min-height: 100vh;
}

/* ========================================
   HEADER DEL DASHBOARD
   ======================================== */

.dashboard-header {
  background: var(--dashboard-card-bg);
  border-radius: var(--dashboard-radius);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--dashboard-shadow);
  border: 1px solid var(--dashboard-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.dashboard-header h2 {
  color: var(--dashboard-text);
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dashboard-header p {
  color: var(--dashboard-text-muted);
  margin: 0.5rem 0 0 0;
  font-size: 1.1rem;
}

/* ========================================
   BOTONES
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--dashboard-radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--dashboard-transition);
  box-shadow: var(--dashboard-shadow);
}

.btn-primary {
  background: linear-gradient(135deg, var(--dashboard-primary), #2563eb);
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  transform: translateY(-2px);
  box-shadow: var(--dashboard-shadow-lg);
}

.btn-logout {
  background: linear-gradient(135deg, var(--dashboard-danger), #dc2626);
  color: white;
}

.btn-logout:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  transform: translateY(-2px);
  box-shadow: var(--dashboard-shadow-lg);
}

/* ========================================
   SECCIÓN DE CREAR CREDENCIAL
   ======================================== */

.bto-crear-credencial {
  margin-bottom: 2rem;
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

/* ========================================
   TABLA DE CREDENCIALES
   ======================================== */

#credentialsTable {
  background: var(--dashboard-card-bg);
  border-radius: var(--dashboard-radius);
  overflow: hidden;
  box-shadow: var(--dashboard-shadow);
  border: 1px solid var(--dashboard-border);
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

#credentialsTable thead th {
  background: linear-gradient(135deg, #1e293b, #334155);
  color: var(--dashboard-text);
  padding: 1rem 1.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--dashboard-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

#credentialsTable tbody tr {
  transition: var(--dashboard-transition);
  border-bottom: 1px solid var(--dashboard-border);
}

#credentialsTable tbody tr:nth-child(even) {
  background: rgba(51, 65, 85, 0.3);
}

#credentialsTable tbody tr:hover {
  background: rgba(59, 130, 246, 0.1);
  transform: scale(1.01);
}

#credentialsTable tbody td {
  padding: 1rem 1.5rem;
  color: var(--dashboard-text);
  font-size: 0.875rem;
  vertical-align: middle;
}

/* ========================================
   BOTONES DE ACCIÓN EN LA TABLA
   ======================================== */

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--dashboard-radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--dashboard-transition);
  margin: 0 0.25rem;
  box-shadow: var(--dashboard-shadow);
}

.btn-icon i {
  font-size: 1rem;
}

.btn-show {
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  color: #1e40af;
}

.btn-show:hover {
  background: linear-gradient(135deg, #bfdbfe, #93c5fd);
  transform: translateY(-2px);
  box-shadow: var(--dashboard-shadow-lg);
}

.btn-edit {
  background: linear-gradient(135deg, #dcfce7, #bbf7d0);
  color: #166534;
}

.btn-edit:hover {
  background: linear-gradient(135deg, #bbf7d0, #86efac);
  transform: translateY(-2px);
  box-shadow: var(--dashboard-shadow-lg);
}

.btn-delete {
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  color: #dc2626;
}

.btn-delete:hover {
  background: linear-gradient(135deg, #fecaca, #fca5a5);
  transform: translateY(-2px);
  box-shadow: var(--dashboard-shadow-lg);
}

.text-center {
  text-align: center;
}

/* ========================================
   MODAL PROFESIONAL
   ======================================== */

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.3s ease;
}

.modal.show {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background: var(--dashboard-card-bg);
  border-radius: var(--dashboard-radius);
  padding: 2rem;
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--dashboard-shadow-lg);
  border: 1px solid var(--dashboard-border);
  position: relative;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dashboard-text-muted);
  cursor: pointer;
  transition: var(--dashboard-transition);
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.modal-close:hover {
  background: var(--dashboard-surface);
  color: var(--dashboard-text);
}

.modal-content h2 {
  color: var(--dashboard-text);
  margin: 0 0 1.5rem 0;
  font-size: 1.5rem;
  font-weight: 700;
}

/* ========================================
   FORMULARIOS
   ======================================== */

#credentialForm {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

#credentialForm label {
  color: var(--dashboard-text);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  display: block;
}

#credentialForm input,
#credentialForm textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--dashboard-border);
  border-radius: var(--dashboard-radius-sm);
  background: var(--dashboard-surface);
  color: var(--dashboard-text);
  font-size: 0.875rem;
  transition: var(--dashboard-transition);
}

#credentialForm input:focus,
#credentialForm textarea:focus {
  outline: none;
  border-color: var(--dashboard-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

#credentialForm textarea {
  resize: vertical;
  min-height: 100px;
}

.modal-buttons {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 2rem;
}

.btn-guardar {
  background: linear-gradient(135deg, var(--dashboard-primary), #2563eb);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--dashboard-radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--dashboard-transition);
}

.btn-guardar:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  transform: translateY(-2px);
  box-shadow: var(--dashboard-shadow-lg);
}

.btn-cancelar {
  background: var(--dashboard-surface);
  color: var(--dashboard-text);
  border: 2px solid var(--dashboard-border);
  padding: 0.75rem 1.5rem;
  border-radius: var(--dashboard-radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--dashboard-transition);
}

.btn-cancelar:hover {
  background: var(--dashboard-border);
  transform: translateY(-2px);
  box-shadow: var(--dashboard-shadow-lg);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablets */
@media (max-width: 1024px) {
  .dashboard-section {
    padding: 1.5rem;
  }
  
  .dashboard-header {
    padding: 1.5rem;
  }
  
  .dashboard-header h2 {
    font-size: 1.75rem;
  }
}

/* Móviles grandes */
@media (max-width: 768px) {
  .dashboard-section {
    padding: 1rem;
  }
  
  .dashboard-header {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    gap: 1rem;
  }
  
  .dashboard-header h2 {
    font-size: 1.5rem;
  }
  
  .bto-crear-credencial {
    justify-content: center;
    margin-bottom: 1.5rem;
  }
  
  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.8125rem;
  }
  
  #credentialsTable thead th {
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
  }
  
  #credentialsTable tbody td {
    padding: 0.75rem 1rem;
    font-size: 0.8125rem;
  }
  
  .btn-icon {
    width: 2rem;
    height: 2rem;
    margin: 0 0.125rem;
  }
  
  .btn-icon i {
    font-size: 0.875rem;
  }
  
  .modal-content {
    padding: 1.5rem;
    margin: 1rem;
  }
  
  .modal-buttons {
    flex-direction: column;
  }
  
  .btn-guardar,
  .btn-cancelar {
    width: 100%;
    justify-content: center;
  }
}

/* Móviles pequeños */
@media (max-width: 480px) {
  .dashboard-section {
    padding: 0.75rem;
  }
  
  .dashboard-header {
    padding: 1rem;
  }
  
  .dashboard-header h2 {
    font-size: 1.25rem;
  }
  
  .dashboard-header p {
    font-size: 0.875rem;
  }
  
  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }
  
  #credentialsTable {
    font-size: 0.75rem;
  }
  
  #credentialsTable thead th {
    padding: 0.5rem 0.75rem;
  }
  
  #credentialsTable tbody td {
    padding: 0.5rem 0.75rem;
  }
  
  .btn-icon {
    width: 1.75rem;
    height: 1.75rem;
  }
  
  .btn-icon i {
    font-size: 0.75rem;
  }
  
  .modal-content {
    padding: 1rem;
    margin: 0.5rem;
  }
  
  .modal-content h2 {
    font-size: 1.25rem;
  }
}

/* ========================================
   MEJORAS DE ACCESIBILIDAD
   ======================================== */

/* Focus visible para navegación por teclado */
.btn:focus-visible,
.btn-icon:focus-visible,
input:focus,
textarea:focus {
  outline: 2px solid var(--dashboard-primary);
  outline-offset: 2px;
}

/* Reducir animaciones para usuarios que lo prefieren */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================================
   ESTADOS DE CARGA
   ======================================== */

.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--dashboard-primary);
  border-top: 2px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* ========================================
   UTILIDADES
   ======================================== */

.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }


/* Añadir al final de la sección BOTONES en dashboard.css */
.btn-secondary {
  background: var(--dashboard-surface);
  color: var(--dashboard-text);
  border: 1px solid var(--dashboard-border);
}

.btn-secondary:hover {
  background: var(--dashboard-border);
  transform: translateY(-2px);
  box-shadow: var(--dashboard-shadow-lg);
}

/* Añadir al final de dashboard.css o donde organices los layouts */
.dashboard-actions {
  margin-bottom: 2rem;
  display: flex;
  justify-content: flex-end; /* Mantiene los botones a la derecha */
  gap: 1rem; /* Espacio entre botones */
  flex-wrap: wrap; /* Para que se ajuste en móviles */
}

/* Ajuste para móviles */
@media (max-width: 768px) {
  .dashboard-actions {
    justify-content: center;
  }
}