:root {
    --bg-primary: #0a1628;
    --bg-secondary: #0f1f3a;
    --bg-tertiary: #162a4a;
    --bg-glass: rgba(52, 152, 219, 0.05);
    --border: rgba(52, 152, 219, 0.15);
    --border-hover: rgba(52, 152, 219, 0.3);
    --text-primary: #e8eef4;
    --text-secondary: #8899b0;
    --text-muted: #506070;
    --accent: #3498db;
    --accent-2: #2980b9;
    --accent-glow: rgba(52, 152, 219, 0.2);
    --green: #2ecc71;
    --yellow: #f1c40f;
    --red: #e74c3c;
    --purple: #9b59b6;
    --gradient-1: linear-gradient(135deg, #3498db, #2980b9);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.2s ease;
    --font: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', monospace
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    background-image: radial-gradient(ellipse at 20% 30%, rgba(52, 152, 219, 0.06) 0%, transparent 50%), radial-gradient(ellipse at 80% 60%, rgba(41, 128, 185, 0.04) 0%, transparent 50%)
}

.app {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 20px
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px
}

.header-left {
    display: flex;
    align-items: center;
    gap: 10px
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

.badge {
    font-size: 0.6rem;
    padding: 2px 8px;
    border-radius: 99px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    font-weight: 500
}

.header-right {
    display: flex;
    gap: 6px
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 12px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap
}

.btn-ghost {
    background: var(--bg-glass);
    color: var(--text-secondary);
    border: 1px solid var(--border)
}

.btn-ghost:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-hover)
}

.btn-primary {
    background: var(--gradient-1);
    color: #fff;
    border: none
}

.btn-primary:hover {
    opacity: 0.9
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.72rem
}

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px
}

.card-header h2 {
    font-size: 0.85rem;
    font-weight: 600
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px
}

.framework-select {
    padding: 5px 10px;
    background: var(--bg-tertiary);
    color: var(--accent);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.72rem;
    cursor: pointer
}

.code-area {
    width: 100%;
    padding: 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.7;
    resize: vertical;
    tab-size: 2
}

.code-area:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow)
}

.code-area::placeholder {
    color: var(--text-muted)
}

.output-actions {
    display: flex;
    gap: 4px
}

.props-table-container {
    overflow-x: auto
}

.props-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.78rem
}

.props-table th {
    padding: 10px 12px;
    text-align: left;
    background: var(--bg-tertiary);
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border)
}

.props-table td {
    padding: 8px 12px;
    border-bottom: 1px solid rgba(52, 152, 219, 0.06)
}

.props-table tbody tr:hover {
    background: rgba(52, 152, 219, 0.05)
}

.prop-name {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent)
}

.prop-type {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--purple);
    background: rgba(155, 89, 182, 0.1);
    padding: 2px 6px;
    border-radius: 4px
}

.prop-default {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted)
}

.prop-required {
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px
}

.req-yes {
    color: var(--red);
    background: rgba(231, 76, 60, 0.1)
}

.req-no {
    color: var(--green);
    background: rgba(46, 204, 113, 0.1)
}

.markdown-preview {
    margin-top: 12px
}

.markdown-code {
    padding: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    line-height: 1.6;
    color: var(--text-secondary);
    white-space: pre;
    overflow-x: auto
}

.hidden {
    display: none
}

.placeholder-text {
    color: var(--text-muted);
    font-size: 0.82rem;
    font-style: italic;
    text-align: center;
    padding: 30px
}

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

    .app {
        padding: 16px 12px
    }
}