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

:root {
    /* Warm color scheme inspired by Claude's terracotta aesthetic */
    --primary-color: #d97757;
    --primary-hover: #c5633f;
    --secondary-color: #8b7355;
    --success-color: #16a34a;
    --error-color: #dc2626;
    --background: #faf8f5;
    --surface: #ffffff;
    --border: #e8e3db;
    --text-primary: #2d2520;
    --text-secondary: #6b5d52;
    --code-bg: #2d2520;
    --code-text: #f5f1eb;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: var(--surface);
    border-bottom: 2px solid var(--border);
    padding: 30px 0;
    margin-bottom: 30px;
}

.header-title {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 10px;
}

.claude-logo {
    flex-shrink: 0;
}

header h1 {
    font-size: 2rem;
    color: var(--text-primary);
    margin: 0;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.main-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

.form-section {
    background: var(--surface);
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Quick Start Card */
.quick-start-card {
    background: linear-gradient(135deg, #fff5f0 0%, #ffe8dc 100%);
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 30px;
    display: flex;
    gap: 20px;
    align-items: center;
    box-shadow: 0 4px 12px rgba(217, 119, 87, 0.15);
    transition: all 0.3s ease;
}

.quick-start-card:hover {
    box-shadow: 0 6px 16px rgba(217, 119, 87, 0.25);
    transform: translateY(-2px);
}

.quick-start-icon {
    font-size: 3rem;
    flex-shrink: 0;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.quick-start-content {
    flex: 1;
}

.quick-start-content h3 {
    margin: 0 0 8px 0;
    font-size: 1.3rem;
    color: var(--text-primary);
}

.quick-start-content p {
    margin: 0 0 16px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.btn-large {
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
}

.section-divider {
    text-align: center;
    margin: 30px 0;
    position: relative;
}

.section-divider::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 1px;
    background: var(--border);
}

.section-divider span {
    background: var(--surface);
    padding: 0 16px;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border);
    overflow-x: auto;
}

.tab {
    padding: 12px 20px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s;
    white-space: nowrap;
}

.tab:hover {
    color: var(--primary-color);
}

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

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

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-group .description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--secondary-color);
    transition: 0.3s;
    border-radius: 26px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

.array-input {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 15px;
}

.array-item {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.array-item input {
    flex: 1;
}

.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
}

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

.btn-secondary:hover {
    opacity: 0.9;
}

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

.btn-danger:hover {
    opacity: 0.9;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.json-preview {
    background: var(--surface);
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 20px;
}

.json-preview h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.info-card {
    background: #e0f2fe;
    border: 1px solid #0284c7;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

.info-card h3 {
    font-size: 1rem;
    margin: 0 0 12px 0;
    color: #075985;
}

.scope-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.scope-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 8px;
    font-size: 0.875rem;
    align-items: baseline;
}

.scope-item strong {
    color: var(--text-primary);
}

.scope-item code {
    background: rgba(0, 0, 0, 0.05);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.8rem;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    color: #0c4a6e;
}

.scope-item span {
    grid-column: 2;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.precedence-note {
    margin: 0;
    font-size: 0.8rem;
    color: #075985;
    font-style: italic;
}

.json-output {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 20px;
    border-radius: 6px;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.85rem;
    max-height: 500px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.error-message {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 5px;
}

.input-error {
    border-color: var(--error-color) !important;
}

.object-input {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 15px;
}

.object-row {
    display: grid;
    grid-template-columns: 1fr 2fr auto;
    gap: 10px;
    margin-bottom: 10px;
}

footer {
    text-align: center;
    padding: 30px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surface);
    border-radius: 8px;
    padding: 30px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h3 {
    font-size: 1.5rem;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--text-primary);
}

.import-textarea {
    width: 100%;
    min-height: 300px;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.9rem;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 6px;
    resize: vertical;
}

.import-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    justify-content: flex-end;
}

@media (max-width: 1024px) {
    .main-layout {
        grid-template-columns: 1fr;
    }

    .json-preview {
        position: static;
    }
}

@media (max-width: 640px) {
    header h1 {
        font-size: 1.5rem;
    }

    .form-section,
    .json-preview {
        padding: 20px;
    }

    .tabs {
        font-size: 0.85rem;
    }

    .tab {
        padding: 10px 12px;
    }

    .quick-start-card {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .quick-start-icon {
        font-size: 2.5rem;
    }

    .quick-start-content h3 {
        font-size: 1.1rem;
    }

    .quick-start-content p {
        font-size: 0.9rem;
    }

    .btn-large {
        width: 100%;
    }
}

/* Presets Modal Styles */
.modal-wide {
    max-width: 1100px;
}

.presets-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.presets-selection {
    max-height: 500px;
    overflow-y: auto;
    padding-right: 10px;
}

.preset-category {
    margin-bottom: 24px;
}

.preset-category-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border);
}

.preset-category-header-icon {
    font-size: 1.3rem;
}

.preset-category-header-text h4 {
    margin: 0;
    font-size: 1rem;
    color: var(--text-primary);
}

.preset-category-header-text p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.preset-checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px;
    margin-bottom: 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.preset-checkbox-item:hover {
    background: var(--background);
}

.preset-checkbox-item input[type="checkbox"] {
    margin-top: 2px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    flex-shrink: 0;
}

.preset-checkbox-label {
    flex: 1;
    cursor: pointer;
}

.preset-checkbox-name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.preset-checkbox-icon {
    font-size: 1.1rem;
}

.preset-checkbox-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.presets-preview {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    position: sticky;
    top: 0;
}

.presets-preview h4 {
    margin: 0 0 12px 0;
    font-size: 1rem;
    color: var(--text-primary);
}

.presets-preview h4 span {
    color: var(--text-secondary);
    font-weight: normal;
    font-size: 0.9rem;
}

#presetsJsonPreview {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 16px;
    border-radius: 6px;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.8rem;
    max-height: 450px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin: 0;
}

/* Success message */
.success-message {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--success-color);
    color: white;
    padding: 16px 24px;
    border-radius: 6px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    z-index: 2000;
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 768px) {
    .presets-layout {
        grid-template-columns: 1fr;
    }

    .presets-preview {
        position: static;
    }

    .presets-selection {
        max-height: 300px;
    }

    #presetsJsonPreview {
        max-height: 250px;
    }
}