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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #5B9BD5;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

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

.environment-selector {
    background: white;
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 15px;
}

.environment-selector label {
    font-weight: 600;
    color: #333;
}

.environment-selector select {
    flex: 1;
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: border-color 0.3s;
}

.environment-selector select:focus {
    outline: none;
    border-color: #667eea;
}

.card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.card h2, .card h3 {
    color: #333;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

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

#responseCard {
    border-left: 4px solid #4caf50;
}

#responseCard.error {
    border-left-color: #f44336;
}

#responseContent {
    background: #f5f5f5;
    padding: 15px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    white-space: pre-wrap;
    word-break: break-all;
}

code {
    background: #f5f5f5;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
}

.env-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.env-badge.development {
    background: #4caf50;
    color: white;
}

.env-badge.production {
    background: #f44336;
    color: white;
}

.success {
    color: #4caf50;
}

.error {
    color: #f44336;
}

/* Input with button layout */
.input-with-button {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.input-with-button textarea {
    flex: 1;
}

.btn-secondary {
    background: #6c757d;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-small {
    background: #e0e0e0;
    color: #333;
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-small:hover {
    background: #d0d0d0;
}

/* Modal styles */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    color: #333;
}

.close {
    font-size: 28px;
    font-weight: bold;
    color: #999;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    color: #333;
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid #e0e0e0;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.search-input {
    width: 100%;
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 1rem;
    margin-bottom: 15px;
}

.search-input:focus {
    outline: none;
    border-color: #667eea;
}

.filter-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-bottom: 15px;
}

.filter-select {
    padding: 8px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: border-color 0.3s;
}

.filter-select:focus {
    outline: none;
    border-color: #667eea;
}

.selection-controls {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 15px;
}

.selection-controls span {
    margin-left: auto;
    font-weight: 600;
    color: #667eea;
}

.users-list {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    padding: 10px;
}

.user-item {
    padding: 10px;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: background 0.2s;
}

.user-item:hover {
    background: #f5f5f5;
}

.user-item:last-child {
    border-bottom: none;
}

.user-item input[type="checkbox"] {
    margin-right: 12px;
    cursor: pointer;
    width: 18px;
    height: 18px;
}

.user-info {
    flex: 1;
}

.user-name {
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
}

.badge-verified {
    background: #4caf50;
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.badge-tier {
    background: #667eea;
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.user-email {
    font-size: 0.9rem;
    color: #666;
}

.user-stats {
    font-size: 0.85rem;
    color: #999;
    margin-top: 4px;
}

.user-id {
    font-size: 0.85rem;
    color: #999;
    font-family: monospace;
}

.loading {
    text-align: center;
    color: #999;
    padding: 20px;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 2rem;
    }
    
    .card {
        padding: 20px;
    }
}