* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --danger: #dc2626;
  --warning: #f59e0b;
  --success: #10b981;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--gray-50);
  color: var(--gray-900);
  line-height: 1.6;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.gap-4 {
  gap: 1rem;
}

.gap-6 {
  gap: 1.5rem;
}

.justify-between {
  justify-content: space-between;
}

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

/* Header */
header {
  background: white;
  border-bottom: 1px solid var(--gray-200);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary);
}

.nav-right {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.user-info {
  font-size: 0.875rem;
  color: var(--gray-600);
}

/* Botões */
button, .btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
}

.btn-danger {
  background-color: var(--danger);
  color: white;
}

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

.btn-secondary {
  background-color: var(--gray-200);
  color: var(--gray-900);
}

.btn-secondary:hover {
  background-color: var(--gray-300);
}

/* Formulários */
.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--gray-700);
}

input, textarea, select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--gray-300);
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-family: inherit;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* Cards */
.card {
  background: white;
  border-radius: 0.5rem;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.5rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
}

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

th {
  background-color: var(--gray-100);
  padding: 0.75rem;
  text-align: left;
  font-weight: 600;
  color: var(--gray-700);
  border-bottom: 2px solid var(--gray-200);
}

td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--gray-200);
}

tr:hover {
  background-color: var(--gray-50);
}

/* Status badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-open {
  background-color: #dbeafe;
  color: #0c4a6e;
}

.badge-in-progress {
  background-color: #fef3c7;
  color: #78350f;
}

.badge-waiting-part {
  background-color: #fee2e2;
  color: #7f1d1d;
}

.badge-waiting-lab {
  background-color: #f3e8ff;
  color: #5b21b6;
}

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

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: white;
  border-radius: 0.5rem;
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--gray-400);
}

.modal-close:hover {
  color: var(--gray-600);
}

/* Alert */
.alert {
  padding: 1rem;
  border-radius: 0.375rem;
  margin-bottom: 1rem;
}

.alert-error {
  background-color: #fee2e2;
  color: #991b1b;
  border-left: 4px solid var(--danger);
}

.alert-success {
  background-color: #dcfce7;
  color: #166534;
  border-left: 4px solid var(--success);
}

.alert-warning {
  background-color: #fef3c7;
  color: #78350f;
  border-left: 4px solid var(--warning);
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--gray-300);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Login Page */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.login-card {
  background: white;
  border-radius: 0.5rem;
  padding: 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.15);
}

.login-title {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--gray-900);
}

.login-subtitle {
  color: var(--gray-600);
  margin-bottom: 2rem;
}

/* Dashboard */
.dashboard-container {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 2rem;
  margin-top: 2rem;
}

.sidebar {
  background: white;
  border-radius: 0.5rem;
  padding: 1.5rem;
  height: fit-content;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

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

.sidebar-menu li {
  margin-bottom: 0.5rem;
}

.sidebar-menu button {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 0.75rem;
  color: var(--gray-700);
  cursor: pointer;
  border-radius: 0.375rem;
  transition: all 0.2s;
}

.sidebar-menu button:hover,
.sidebar-menu button.active {
  background-color: var(--primary);
  color: white;
}

/* Main Content */
.main-content {
  background: white;
  border-radius: 0.5rem;
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
  .dashboard-container {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .header-content {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-right {
    width: 100%;
    justify-content: space-between;
  }

  table {
    font-size: 0.75rem;
  }

  th, td {
    padding: 0.5rem;
  }

  .modal-content {
    padding: 1rem;
  }
}

/* Utility Classes */
.mt-4 {
  margin-top: 1rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.p-4 {
  padding: 1rem;
}

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

.text-sm {
  font-size: 0.875rem;
}

.text-gray-500 {
  color: var(--gray-500);
}

.hidden {
  display: none;
}

.w-full {
  width: 100%;
}