/* ============================================
   ESTILOS PARA PANEL DE ADMINISTRACIÓN
   ============================================ */

/* Login Page */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  padding: 20px;
}

.login-box {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 3rem;
  width: 100%;
  max-width: 450px;
  box-shadow: 0 8px 30px var(--card-shadow);
  border: 1px solid var(--border-color);
}

.login-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.login-header h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.login-header h2 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

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

.login-form {
  margin-bottom: 1.5rem;
}

.checkbox-group {
  display: flex;
  align-items: center;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.btn-login {
  width: 100%;
  margin-top: 1rem;
}

.login-message {
  margin-top: 1rem;
  padding: 0.875rem;
  border-radius: 8px;
  text-align: center;
  display: none;
}

.login-message.error {
  background: rgba(220, 53, 69, 0.1);
  color: #dc3545;
  border: 1px solid #dc3545;
  display: block;
}

.login-message.success {
  background: rgba(40, 167, 69, 0.1);
  color: #28a745;
  border: 1px solid #28a745;
  display: block;
}

.login-footer {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.back-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.back-link:hover {
  color: var(--accent-hover);
}

/* Admin Header */
.admin-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 10px var(--card-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin-header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-logo h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.admin-header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

/* Admin Container */
.admin-container {
  display: flex;
  min-height: calc(100vh - 70px);
  max-width: 1400px;
  margin: 0 auto;
}

/* Admin Sidebar */
.admin-sidebar {
  width: 250px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 2rem 0;
  position: sticky;
  top: 70px;
  height: calc(100vh - 70px);
  overflow-y: auto;
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0 1rem;
}

.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s ease;
  font-weight: 500;
}

.admin-nav-link:hover {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
}

.admin-nav-link.active {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px var(--card-shadow);
}

.nav-icon {
  font-size: 1.2rem;
}

/* Admin Main */
.admin-main {
  flex: 1;
  padding: 2rem;
  background: var(--bg-primary);
}

.admin-section {
  display: none;
}

.admin-section.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

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

.admin-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.admin-section-header h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin: 0;
}

/* Admin List */
.admin-list {
  display: grid;
  gap: 1.5rem;
}

.admin-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 10px var(--card-shadow);
  transition: all 0.3s ease;
}

.admin-item:hover {
  box-shadow: 0 4px 20px var(--card-shadow);
  transform: translateY(-2px);
}

.admin-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.admin-item-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.admin-item-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.btn-icon.delete:hover {
  background: #dc3545;
  border-color: #dc3545;
}

.admin-item-content {
  color: var(--text-secondary);
  line-height: 1.6;
}

.admin-item-meta {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.admin-tag {
  padding: 0.3rem 0.8rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--accent-primary);
}

/* Admin Form */
.admin-form {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 2px 10px var(--card-shadow);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.file-input {
  margin-top: 0.5rem;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  width: 100%;
  cursor: pointer;
}

.file-input::file-selector-button {
  padding: 0.5rem 1rem;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  margin-right: 1rem;
  font-weight: 600;
}

.image-preview {
  margin-top: 1rem;
  display: none;
}

.image-preview.active {
  display: block;
}

.image-preview img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-color);
  box-shadow: 0 2px 10px var(--card-shadow);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(5px);
}

.modal.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background: var(--card-bg);
  border-radius: 16px;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin: 0;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 2rem;
  color: var(--text-secondary);
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.modal-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.modal-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.modal-actions .btn {
  min-width: 120px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.empty-state p {
  margin-bottom: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
  .admin-container {
    flex-direction: column;
  }

  .admin-sidebar {
    width: 100%;
    height: auto;
    position: relative;
    top: 0;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .admin-nav {
    flex-direction: row;
    overflow-x: auto;
    padding: 1rem;
  }

  .admin-nav-link {
    white-space: nowrap;
  }

  .admin-main {
    padding: 1.5rem;
  }

  .admin-section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .modal-content {
    max-width: 100%;
    margin: 0;
  }
}

@media (max-width: 480px) {
  .login-box {
    padding: 2rem 1.5rem;
  }

  .admin-header-content {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .admin-header-actions {
    width: 100%;
    justify-content: space-between;
  }
}