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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #161616;
    --bg-tertiary: #262626;
    --text-primary: #ffffff;
    --text-secondary: #a3a3a3;
    --text-muted: #737373;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --border: #404040;
    --code-bg: #1a1a1a;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.version-badge {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: clamp(32px, 6vw, 56px);
    font-weight: 800;
    margin-bottom: 20px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

/* Playground */
.playground {
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 40px;
    margin: 50px 0;
    border: 1px solid var(--border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.playground-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
    text-align: center;
}

.playground-subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 32px;
    font-size: 16px;
}

.playground-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

/* Controls Panel */
.controls-panel {
    background: var(--bg-tertiary);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--border);
}

.controls-title {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}

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

.control-label {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 14px;
}

/* Size Controls */
.size-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.size-input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s ease;
}

.size-input:focus {
    outline: none;
    border-color: var(--accent);
}

.size-separator {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 16px;
}

/* Form Controls */
.control-select,
.control-textarea {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s ease;
    font-family: inherit;
}

.control-select:focus,
.control-textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.control-textarea {
    resize: vertical;
    min-height: 80px;
}

/* Aspect Ratio Controls */
.aspect-ratio-controls {
    margin-bottom: 8px;
}

.custom-aspect-ratio {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.aspect-input {
    width: 60px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 10px;
    color: var(--text-primary);
    font-size: 14px;
    text-align: center;
    transition: border-color 0.2s ease;
}

.aspect-input:focus {
    outline: none;
    border-color: var(--accent);
}

.aspect-separator {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 16px;
}

.control-warning {
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid #fbbf24;
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 12px;
    color: #fbbf24;
    margin-top: 8px;
}

/* Color Controls */
.color-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.color-input-group {
    display: flex;
    gap: 8px;
    align-items: center;
}

.color-picker {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background: none;
}

.hex-input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: 'SF Mono', Monaco, monospace;
    transition: border-color 0.2s ease;
}

.hex-input:focus {
    outline: none;
    border-color: var(--accent);
}

.randomize-btn {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s ease;
}

.randomize-btn:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    transform: scale(1.1);
}

.color-hint {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    font-style: italic;
}

/* Range Control */
.control-range {
    width: 100%;
    background: var(--bg-primary);
    border-radius: 6px;
    margin-bottom: 8px;
    appearance: none;
    height: 6px;
}

.control-range::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
}

.control-range::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: none;
}

.range-value {
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
}

/* Checkbox Controls */
.checkbox-group {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    transition: color 0.2s ease;
}

.checkbox-label:hover {
    color: var(--text-primary);
}

.control-checkbox {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border);
    border-radius: 4px;
    background: var(--bg-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.control-checkbox:checked {
    background: var(--accent);
    border-color: var(--accent);
}

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

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

/* URL Section */
.url-section {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.url-display {
    display: flex;
    gap: 8px;
    align-items: center;
}

.generated-url {
    flex: 1;
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    color: var(--success);
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 12px;
    word-break: break-all;
    line-height: 1.4;
}

.copy-btn {
    background: var(--accent);
    border: none;
    border-radius: 8px;
    padding: 12px 16px;
    color: white;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.copy-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

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

/* Preview Panel */
.preview-panel {
    background: var(--bg-tertiary);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--border);
    position: sticky;
    top: 100px;
}

.preview-title {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}

.image-preview {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 20px;
    border: 2px dashed var(--border);
    text-align: center;
    margin-bottom: 16px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s ease;
}

.image-preview:hover {
    border-color: var(--accent);
}

.preview-img {
    max-width: 100%;
    max-height: 280px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.preview-info {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.info-badge {
    background: var(--accent);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.example-preview {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 12px;
    border: 2px dashed var(--border);
    transition: border-color 0.2s ease;
    margin: 12px 0;
}

.example-preview:hover {
    border-color: var(--accent);
}

/* Section Styles */
.section {
    padding: 60px 0;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* Parameters Grid */
.params-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.param-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.2s ease;
}

.param-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.param-name {
    color: var(--accent);
    font-family: 'SF Mono', Monaco, monospace;
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 8px;
}

.param-type {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    margin-left: 8px;
}

.param-description {
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 14px;
}

.param-example {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 13px;
    color: var(--text-primary);
}

/* Code Blocks */
.code-block {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 14px;
    overflow-x: auto;
    margin: 20px 0;
}

.code-block pre {
    color: var(--text-primary);
    white-space: pre-wrap;
}

/* Examples */
.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.example-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}

.example-title {
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.example-url {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 12px;
    color: var(--success);
    margin-bottom: 12px;
    word-break: break-all;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 40px 0;
    text-align: center;
}

.footer-content {
    color: var(--text-muted);
    font-size: 14px;
}

.footer-link {
    color: var(--accent);
    text-decoration: none;
}

.footer-link:hover {
    text-decoration: underline;
}

/* Clickable URLs */
.clickable-url {
    display: block;
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 13px;
    color: var(--success);
    word-break: break-all;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.clickable-url:hover {
    border-color: var(--accent);
    background: var(--bg-tertiary);
    transform: translateY(-1px);
}

/* Utilities */
.highlight {
    color: var(--accent);
    font-weight: 600;
}

.badge {
    background: var(--accent);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.new-badge {
    background: var(--success);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    margin-left: 8px;
}

/* Helper Classes for Inline Styles */
.hero-demo-title {
    margin-bottom: 16px;
    color: var(--text-primary);
}

.hero-demo-url {
    padding: 16px;
    border-radius: 8px;
}

.hero-demo-note {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 8px;
}

.demo-image {
    max-width: 100%;
    border-radius: 8px;
}

.section-heading {
    color: var(--text-primary);
    margin: 32px 0 20px 0;
    font-size: 24px;
}

.endpoint-description {
    color: var(--text-secondary);
    margin-top: 12px;
    font-size: 14px;
}

.example-description {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 8px;
}

.example-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 4px;
}

.status-code {
    color: var(--text-primary);
    margin-bottom: 16px;
    font-size: 18px;
    font-weight: 600;
}

.status-description {
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 14px;
}

/* Response Status Cards */
.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.status-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 20px;
}

.status-card.success {
    border: 1px solid var(--success);
}

.status-card.warning {
    border: 1px solid var(--warning);
}

.status-card.error {
    border: 1px solid #ef4444;
}

.status-title {
    font-weight: 600;
    margin-bottom: 8px;
}

.status-title.success {
    color: var(--success);
}

.status-title.warning {
    color: var(--warning);
}

.status-title.error {
    color: #ef4444;
}

.status-text {
    color: var(--text-secondary);
    font-size: 14px;
}

.simple-usage-card {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 32px;
    margin: 32px 0;
    border: 1px solid var(--success);
}

.simple-usage-title {
    color: var(--success);
    margin-bottom: 16px;
    font-size: 20px;
}

.simple-usage-text {
    color: var(--text-secondary);
    margin-top: 12px;
    font-size: 14px;
}

.footer-text {
    margin-top: 8px;
    font-size: 12px;
}

/* Responsive */
@media (max-width: 768px) {
    .playground-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .playground {
        padding: 24px;
        margin: 30px 0;
    }

    .playground-title {
        font-size: 24px;
    }

    .color-controls {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .checkbox-group {
        flex-direction: column;
        gap: 12px;
    }

    .preview-panel {
        position: static;
    }

    .params-grid {
        grid-template-columns: 1fr;
    }
    
    .examples-grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding: 40px 0;
    }
    
    .section {
        padding: 40px 0;
    }
}