:root {
    --yg-font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    --yg-font-size: 16px;
    --yg-text: #111827;
    --yg-text-muted: #6B7280;
    --yg-bg: #ffffff;
    --yg-surface: #f9fafb;
    --yg-border: #e5e7eb;
    --yg-primary: #2563eb;
    --yg-primary-text: #ffffff;
    --yg-link: #2563eb;
    --yg-nav-bg: #111827;
    --yg-nav-text: #ffffff;
    --yg-nav-hover-bg: #1f2937;
    --yg-nav-hover-text: #ffffff;
    --yg-footer-bg: #111827;
    --yg-footer-text: #ffffff;
    --yg-bg-image: none;
    --yg-scheme: light;
}

html {
    color-scheme: var(--yg-scheme);
    font-size: var(--yg-font-size);
}

body {
    font-family: var(--yg-font-family);
    color: var(--yg-text);
    background: var(--yg-bg);
    background-image: var(--yg-bg-image);
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    margin: 0;
}

a {
    color: var(--yg-link);
}

    a:hover {
        text-decoration: underline;
    }

.yg-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px;
}

.yg-card {
    background: var(--yg-surface);
    border: 1px solid var(--yg-border);
    border-radius: 12px;
    padding: 16px;
}

.yg-card-header {
    margin-bottom: 12px;
}

.yg-h2 {
    margin: 0 0 6px 0;
    font-size: 1.2rem;
}

.yg-text-muted {
    color: var(--yg-text-muted);
}

.yg-alert {
    margin-top: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--yg-border);
}

.yg-alert-success {
    background: rgba(16,185,129,.08);
}

.yg-form {
    margin-top: 12px;
}

.yg-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

.yg-label {
    font-size: .92rem;
    color: var(--yg-text-muted);
}

.yg-input {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--yg-border);
    background: #fff;
    color: var(--yg-text);
}

.yg-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 8px;
    flex-wrap: wrap;
}

.yg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid var(--yg-border);
    background: var(--yg-surface);
    color: var(--yg-text);
    text-decoration: none;
    cursor: pointer;
}

.yg-btn-primary {
    background: var(--yg-primary);
    color: var(--yg-primary-text);
    border-color: var(--yg-primary);
}

.yg-btn-danger {
    background: #b91c1c;
    color: #ffffff;
    border-color: #b91c1c;
}

.yg-grid {
    display: grid;
    gap: 12px;
}

.yg-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.yg-span-2 {
    grid-column: span 2;
}

@media (max-width: 720px) {
    .yg-grid-2 {
        grid-template-columns: 1fr;
    }

    .yg-span-2 {
        grid-column: span 1;
    }
}

.yg-tile {
    display: flex;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--yg-border);
    background: #fff;
    border-radius: 12px;
    cursor: pointer;
}

    .yg-tile input {
        margin-top: 3px;
    }

.yg-tile-title {
    font-weight: 600;
}

.yg-badges {
    margin-top: 6px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.yg-badge {
    font-size: .8rem;
    padding: 4px 8px;
    border: 1px solid var(--yg-border);
    border-radius: 999px;
    color: var(--yg-text-muted);
}

.yg-nav {
    background: var(--yg-nav-bg);
    color: var(--yg-nav-text);
}

    .yg-nav a {
        color: var(--yg-nav-text);
    }

        .yg-nav a:hover {
            background: var(--yg-nav-hover-bg);
            color: var(--yg-nav-hover-text);
            text-decoration: none;
        }