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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    min-height: 100vh;
    padding: 2rem 1rem;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    padding: 2rem;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

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

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

.header-links {
    display: flex;
    gap: 1rem;
}

.header-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    background: rgba(255,255,255,0.2);
    font-weight: 500;
    transition: all 0.2s;
    white-space: nowrap;
}

.header-link:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .header-links {
        flex-direction: column;
        width: 100%;
    }
    
    header h1 {
        font-size: 1.75rem;
    }
    
    .subtitle {
        font-size: 0.95rem;
    }
}

.global-config {
    background: #f8f9fa;
    padding: 1rem 2rem;
    border-bottom: 2px solid #e0e0e0;
    display: grid;
    grid-template-columns: auto 250px 1fr;
    gap: 1rem;
    align-items: center;
}

.global-config label {
    margin: 0;
    white-space: nowrap;
}

.api-mode-selector {
    padding: 0.5rem;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    background: white;
    cursor: pointer;
    font-size: 0.9rem;
}

.api-mode-selector:focus {
    outline: none;
    border-color: #3b82f6;
}

.global-config input[type="text"] {
    padding: 0.5rem;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 0.9rem;
}

.global-config input[type="text"]:focus {
    outline: none;
    border-color: #3b82f6;
}

.global-config .field-hint {
    grid-column: 2 / 4;
    margin-top: -0.5rem;
}

main {
    padding: 2rem;
}

section {
    margin-bottom: 2rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: #555;
}

textarea,
input[type="text"] {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    transition: border-color 0.3s;
}

textarea:focus,
input[type="text"]:focus {
    outline: none;
    border-color: #3b82f6;
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin: 1rem 0;
}

button {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-right: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    color: white;
}

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

.btn-secondary {
    background: #f0f0f0;
    color: #555;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.btn-warning {
    background: #ffc107;
    color: #333;
}

.btn-warning:hover {
    background: #ffb300;
}

.btn-copy {
    padding: 0.5rem 1rem;
    background: #3b82f6;
    color: white;
    font-size: 0.85rem;
    margin: 0.25rem;
}

.btn-copy:hover {
    background: #5568d3;
}

.sample-dropdown {
    padding: 0.5rem;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 0.9rem;
    background: white;
    cursor: pointer;
}

.sample-dropdown:focus {
    outline: none;
    border-color: #3b82f6;
}

.copy-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.jti-display {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 4px;
}

.jti-display strong {
    color: #856404;
}

.output-section {
    margin-top: 2rem;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid #e0e0e0;
}

.result-header {
    padding: 1rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.result-header.valid {
    background: #d4edda;
    color: #155724;
}

.result-header.invalid {
    background: #f8d7da;
    color: #721c24;
}

.result-body {
    padding: 1rem;
    background: #f8f9fa;
}

.result-body pre {
    background: white;
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.5;
}

.info-section {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.info-section h2 {
    margin-bottom: 1rem;
    color: #3b82f6;
}

.info-section ul {
    list-style: none;
    padding-left: 0;
}

.info-section li {
    padding: 0.5rem 0;
}

.info-section a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 600;
}

.info-section a:hover {
    text-decoration: underline;
}

.error-message {
    color: #721c24;
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #e0e0e0;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    background: transparent;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    font-weight: 600;
    color: #666;
    transition: all 0.3s;
}

.tab-btn:hover {
    color: #3b82f6;
}

.tab-btn.active {
    color: #3b82f6;
    border-bottom-color: #3b82f6;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-title {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: #3b82f6;
}

.tab-description {
    margin-bottom: 1.5rem;
    color: #666;
    font-size: 1rem;
}

.template-selector {
    background: #fff3cd;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid #ffc107;
}

.template-selector label {
    display: block;
    margin-bottom: 0.5rem;
    color: #856404;
    font-size: 0.95rem;
}

.template-dropdown {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #ffc107;
    border-radius: 6px;
    font-size: 1rem;
    background: white;
    cursor: pointer;
}

.template-dropdown:focus {
    outline: none;
    border-color: #ff9800;
}

.template-description {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: white;
    border-radius: 4px;
    color: #333;
    font-size: 0.9rem;
    font-style: italic;
    border: 1px solid #e0e0e0;
}

.policy-form {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.form-section {
    background: white;
    padding: 1.25rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    border: 1px solid #e0e0e0;
}

.form-section-title {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #3b82f6;
    font-weight: 600;
}

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

.form-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-row input {
    margin-bottom: 0;
}

.form-group label strong {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.label-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.label-badge.required {
    background: #f8d7da;
    color: #721c24;
}

.label-badge.optional {
    background: #d1ecf1;
    color: #0c5460;
}

.field-hint {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.85rem;
    color: #666;
    font-style: italic;
}

.toggle-section-btn {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #e7f3ff;
    border: 2px solid #3b82f6;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    color: #3b82f6;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
    margin-bottom: 0;
}

.toggle-section-btn:hover {
    background: #d0e7ff;
    transform: translateY(-1px);
}

.toggle-icon {
    font-size: 0.9rem;
    transition: transform 0.3s;
}

.toggle-content {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e0e0e0;
}

select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 1rem;
    background: white;
}

select:focus {
    outline: none;
    border-color: #3b82f6;
}

/* Notification styles */
.notification {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideIn 0.3s ease-out;
}

.notification.success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.notification.error {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.notification.info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

.notification.warning {
    background: #fff3cd;
    color: #856404;
    border-left: 4px solid #ffc107;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 600px) {
    header h1 {
        font-size: 2rem;
    }
    
    .container {
        margin: 0;
        border-radius: 0;
    }
    
    button {
        display: block;
        width: 100%;
        margin: 0.5rem 0;
    }
    
    .tabs {
        flex-direction: column;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Demo Token Styles */
.verifier-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.verifier-badge {
    padding: 0.25rem 0.75rem;
    background: #0066cc;
    color: white;
    border-radius: 4px;
    font-size: 0.85em;
    font-weight: 600;
}

/* Issue Demo Token Button - Prominent styling */
#issue-demo-token-btn {
    width: 100%;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

#issue-demo-token-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

#issue-demo-token-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Verify Demo Token Button */
#verify-demo-token-btn {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

#verify-demo-token-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
}

.token-mode-selector label {
    padding: 0.5rem 1rem;
    border: 2px solid #ddd;
    border-radius: 6px;
    transition: all 0.2s;
}

.token-mode-selector input[type="radio"] {
    margin-right: 0.5rem;
}

.token-mode-selector label:has(input:checked) {
    background: #e7f3ff;
    border-color: #0066cc;
    font-weight: 600;
}

.demo-warning {
    animation: fadeIn 0.3s ease-in;
}

.demo-badge {
    display: inline-block;
}

.btn-copy {
    padding: 0.35rem 0.75rem;
    background: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    transition: all 0.2s;
}

.btn-copy:hover {
    background: #e9ecef;
    border-color: #0066cc;
}

/* Build Policy Button - Make it prominent */
#build-policy-btn {
    width: 100%;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

#build-policy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}