.app {
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 2rem 0;
}

.header {
  text-align: center;
  color: white;
  margin-bottom: 2rem;
}

.header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.header p {
  font-size: 1.1rem;
  opacity: 0.9;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Cards */
.card {
  background: white;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border);
}

.card-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}

.card-header svg {
  color: var(--primary);
}

/* Auth Card */
.auth-card {
  background: white;
}

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

.auth-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.auth-info label {
  font-weight: 500;
  color: var(--text);
  font-size: 0.875rem;
}

.auth-info input {
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-family: 'Courier New', monospace;
}

.auth-info input:disabled {
  background: var(--bg);
  color: var(--text-light);
}

.token-display {
  background: var(--bg);
  padding: 1rem;
  border-radius: 0.375rem;
  border-left: 4px solid var(--primary);
}

.token-display p {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  word-break: break-all;
  font-family: 'Courier New', monospace;
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: white;
  width: 100%;
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-submit {
  background: var(--success);
  color: white;
  width: 100%;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
}

.btn-submit:hover:not(:disabled) {
  background: #059669;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* Scenarios */
.scenarios {
  background: var(--bg);
  padding: 1rem;
  border-radius: 0.375rem;
  margin-bottom: 1.5rem;
  border-left: 4px solid var(--warning);
}

.scenarios-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.scenario-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.5rem;
}

.btn-scenario {
  background: white;
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  font-weight: 500;
}

.btn-scenario:hover:not(:disabled) {
  background: var(--primary);
  color: white;
}

/* Form */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.form-group label {
  font-weight: 500;
  color: var(--text);
  font-size: 0.875rem;
}

.form-group input {
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  font-size: 0.875rem;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Alerts */
.alert {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: 0.375rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}

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

.alert-success {
  background: #dcfce7;
  color: #15803d;
  border-left: 4px solid var(--success);
}

/* Results */
.results-card {
  background: white;
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.result-item {
  padding: 1rem;
  background: var(--bg);
  border-radius: 0.375rem;
  border-left: 4px solid var(--primary);
  transition: all 0.2s ease;
}

.result-item:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.result-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.result-id {
  font-size: 0.875rem;
  font-family: 'Courier New', monospace;
  color: var(--text);
  font-weight: 500;
}

.result-status {
  font-size: 0.875rem;
  color: var(--text-light);
}

.result-time {
  font-size: 0.8rem;
  color: var(--text-light);
}

.status-badge {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-weight: 500;
  font-size: 0.75rem;
}

/* Info Card */
.info-card {
  background: white;
}

.info-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
}

.info-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.875rem;
}

.info-content p {
  margin: 0;
}

.info-content strong {
  color: var(--text);
}

.info-content ul {
  margin-left: 1.5rem;
  margin-top: 0.5rem;
}

.info-content li {
  margin-bottom: 0.25rem;
  color: var(--text-light);
}

/* Responsive */
@media (max-width: 640px) {
  .header h1 {
    font-size: 1.75rem;
  }

  .card {
    padding: 1rem;
  }

  .scenario-buttons {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  }

  .btn {
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
  }
}