/* Reset y Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: #f5f7fa;
  color: #333;
  line-height: 1.6;
}

/* Login */
.login-container {
  max-width: 400px;
  margin: 80px auto;
  padding: 40px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.login-container h1 {
  text-align: center;
  color: #2563eb;
  margin-bottom: 8px;
}

.subtitle {
  text-align: center;
  color: #64748b;
  margin-bottom: 30px;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: #374151;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="file"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input[type="checkbox"] {
  width: auto;
  margin-right: 8px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: #2563eb;
  color: white;
}

.btn-primary:hover {
  background: #1d4ed8;
}

.btn-danger {
  background: #dc2626;
  color: white;
}

.btn-danger:hover {
  background: #b91c1c;
}

.btn:not(.btn-primary):not(.btn-danger) {
  background: #e5e7eb;
  color: #374151;
}

.btn:not(.btn-primary):not(.btn-danger):hover {
  background: #d1d5db;
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

/* Navbar */
.navbar {
  background: white;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-size: 18px;
  font-weight: 600;
  color: #2563eb;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-user span {
  color: #64748b;
}

/* Layout */
.container {
  display: flex;
  min-height: calc(100vh - 65px);
}

.sidebar {
  width: 240px;
  background: white;
  border-right: 1px solid #e5e7eb;
  padding: 20px 0;
}

.nav-menu {
  list-style: none;
}

.nav-menu li a {
  display: block;
  padding: 12px 24px;
  color: #64748b;
  text-decoration: none;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.nav-menu li a:hover {
  background: #f1f5f9;
  color: #2563eb;
}

.nav-menu li a.active {
  background: #eff6ff;
  color: #2563eb;
  border-left-color: #2563eb;
}

.content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* Cards */
.card {
  background: white;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.card h3 {
  margin-bottom: 16px;
  color: #1e293b;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.stat-card {
  background: white;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.stat-card h3 {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: #1e293b;
}

.stat-label {
  font-size: 13px;
  color: #94a3b8;
  margin-top: 4px;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
}

.table th {
  background: #f8fafc;
  font-weight: 600;
  color: #64748b;
  font-size: 13px;
  text-transform: uppercase;
}

.table tbody tr:hover {
  background: #f8fafc;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.badge-success {
  background: #dcfce7;
  color: #166534;
}

.badge-warning {
  background: #fef3c7;
  color: #92400e;
}

.badge-danger {
  background: #fee2e2;
  color: #991b1b;
}

.badge-info {
  background: #dbeafe;
  color: #1e40af;
}

/* Alerts */
.alert {
  padding: 14px 18px;
  border-radius: 8px;
  margin-bottom: 16px;
}

.alert-success {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.alert-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.alert-warning {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.alert-info {
  background: #dbeafe;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: white;
  border-radius: 12px;
  padding: 24px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #64748b;
}

/* Filters */
.filters {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filters select,
.filters input {
  padding: 8px 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.pagination button {
  padding: 8px 14px;
  border: 1px solid #d1d5db;
  background: white;
  border-radius: 6px;
  cursor: pointer;
}

.pagination button.active {
  background: #2563eb;
  color: white;
  border-color: #2563eb;
}

/* API Key Display */
.apikey-display {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #f1f5f9;
  padding: 12px;
  border-radius: 8px;
  margin-top: 8px;
}

.apikey-display code {
  flex: 1;
  font-family: monospace;
  font-size: 14px;
  word-break: break-all;
}

/* Utilities */
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-2 { margin-bottom: 16px; }
.text-center { text-align: center; }
.text-success { color: #16a34a; }
.text-danger { color: #dc2626; }
.text-muted { color: #64748b; }

hr {
  border: none;
  border-top: 1px solid #e5e7eb;
  margin: 20px 0;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Loading */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid #e5e7eb;
  border-top-color: #2563eb;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Pending Registration Message */
.pending-message {
  text-align: center;
  padding: 20px 0;
}

.pending-icon {
  font-size: 64px;
  margin-bottom: 16px;
}

.pending-message h2 {
  color: #16a34a;
  margin-bottom: 8px;
}

.pending-message .empresa-name {
  font-size: 18px;
  font-weight: 600;
  color: #2563eb;
  margin-bottom: 24px;
}

.pending-info {
  background: #fef3c7;
  border: 1px solid #fde68a;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.pending-info p {
  margin: 8px 0;
  color: #92400e;
}

.pending-contact {
  background: #f1f5f9;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
}

.pending-contact p {
  margin: 4px 0;
  color: #64748b;
}

.pending-contact strong {
  color: #2563eb;
}

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

  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #e5e7eb;
  }

  .nav-menu {
    display: flex;
    overflow-x: auto;
    padding: 0 16px;
  }

  .nav-menu li a {
    white-space: nowrap;
    border-left: none;
    border-bottom: 3px solid transparent;
  }

  .nav-menu li a.active {
    border-left: none;
    border-bottom-color: #2563eb;
  }

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

  .filters {
    flex-direction: column;
  }
}