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

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #6b7280;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #f9fafb;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 50%, #374151 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--text-primary);
}

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

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

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

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

main {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 20px;
}

.auth-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 16px 20px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 25px;
    background: #f8fafc;
}

.auth-header h2 {
    font-size: 1.2rem;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.auth-status {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.auth-user {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 4px;
}

.auth-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.auth-btn {
    min-width: 160px;
}

.form-container {
    margin-bottom: 30px;
}

.form-section {
    margin-bottom: 25px;
}

.form-section h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.required {
    color: var(--error-color);
    font-weight: bold;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
    color: var(--text-primary);
}

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

.form-control:hover {
    border-color: #9ca3af;
}

.help-text {
    display: block;
    margin-top: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: italic;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    flex: 1;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-secondary:hover {
    background: #4b5563;
    transform: translateY(-2px);
}

.results-container {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    margin-top: 30px;
    border: 2px solid var(--border-color);
}

.results-container h2 {
    margin-bottom: 20px;
    color: var(--text-primary);
}

.results-content {
    background: #f9fafb;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    max-height: 500px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.results-content.success {
    border-left: 4px solid var(--success-color);
    background: #f0fdf4;
}

.results-content.error {
    border-left: 4px solid var(--error-color);
    background: #fef2f2;
}

.status-container {
    margin-top: 20px;
}

.status-message {
    padding: 15px;
    border-radius: 8px;
    font-weight: 500;
    display: none;
}

.status-message.show {
    display: block;
}

.status-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid var(--success-color);
}

.status-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid var(--error-color);
}

.status-message.info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid var(--primary-color);
}

footer {
    text-align: center;
    color: white;
    opacity: 0.8;
    padding: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    header h1 {
        font-size: 2rem;
    }

    main {
        padding: 20px;
    }

    .auth-container {
        flex-direction: column;
        align-items: stretch;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

/* Loading Animation */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.btn-loader {
    display: inline-block;
    animation: spin 1s linear infinite;
}

/* Scrollbar Styling */
.results-content::-webkit-scrollbar {
    width: 8px;
}

.results-content::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.results-content::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.results-content::-webkit-scrollbar-thumb:hover {
    background: #555;
}