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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background-color: #f5f5f5;
  color: #333;
  line-height: 1.5;
}

.hidden {
  display: none !important;
}

/* Views */
.view {
  min-height: 100vh;
}

/* Login */
#login-view {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #1a1a24;
}

.login-card {
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  width: 100%;
  max-width: 360px;
}

.login-card h1 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
  color: #1a1a24;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #555;
}

.form-group input {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 1rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: #8b5cf6;
  box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.15);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s, opacity 0.2s;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background-color: #8b5cf6;
  color: #fff;
  width: 100%;
}

.btn-primary:hover:not(:disabled) {
  background-color: #7c3aed;
}

.btn-secondary {
  background-color: #e5e7eb;
  color: #374151;
}

.btn-secondary:hover:not(:disabled) {
  background-color: #d1d5db;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background-color: #1a1a24;
  color: #fff;
}

.header h1 {
  font-size: 1.25rem;
  font-weight: 600;
}

/* Main */
.main {
  padding: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Section */
.section {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #1a1a24;
}

/* Table */
.table-container {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.table th,
.table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
}

.table th {
  background-color: #f9fafb;
  font-weight: 600;
  color: #374151;
  white-space: nowrap;
}

.table tbody tr:hover {
  background-color: #f9fafb;
}

.table td {
  color: #555;
}

/* States */
.loading {
  padding: 2rem;
  text-align: center;
  color: #666;
}

.error {
  padding: 0.75rem;
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 4px;
  color: #dc2626;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.empty-state {
  padding: 2rem;
  text-align: center;
  color: #666;
}

/* Responsive */
@media (max-width: 640px) {
  .header {
    padding: 1rem;
  }

  .main {
    padding: 1rem;
  }

  .section {
    padding: 1rem;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .table th,
  .table td {
    padding: 0.5rem;
  }
}