:root { color-scheme: light; }
html, body { overflow-y: scroll; scrollbar-gutter: stable; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 16px; }
.site-header { border-bottom: 1px solid #eee; background: #fff; position: sticky; top: 0; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.title { font-weight: 700; }
.nav a { margin-left: 12px; text-decoration: none; color: #111; }
.nav a.active { text-decoration: underline; }
.grid { display: grid; grid-template-columns: minmax(520px, 1fr) 1fr; gap: 16px; align-items: start; }
.card { border: 1px solid #eee; border-radius: 12px; padding: 16px; background: #fff; }
.muted { color: #666; }
.form { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
label { display: grid; gap: 6px; font-size: 14px; }
.form label { min-width: 0; }
input, select, textarea { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 10px; font: inherit; box-sizing: border-box; }
input, select { height: 42px; }
.form .inline-options { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.form .inline-field { display: flex; align-items: center; gap: 6px; }
.form .inline-field input { width: auto; }
.form .label-title { min-height: 32px; line-height: 1.2; display: block; }
.form .compact-label { margin-top: -6px; }
.form .color-input { display: flex; gap: 8px; align-items: center; }
.form .color-input input[type="text"] { flex: 1 1 auto; }
.form .color-input input[type="color"] { width: 42px; min-width: 42px; padding: 0; border-radius: 10px; }
textarea { resize: vertical; }
.full { grid-column: 1 / -1; }
.actions { display: flex; gap: 10px; align-items: center; }
button { padding: 10px 14px; border-radius: 10px; border: 1px solid #ddd; background: #111; color: #fff; cursor: pointer; }
button.secondary { background: #fff; color: #111; }
.status { margin-left: auto; font-size: 13px; }
#preview { width: 100%; height: 900px; border: 0; border-radius: 12px; background: #f7f7f7; position: relative; }
#preview, #cardupdatr-frame { background: var(--preview-bg, #f7f7f7); }
#cardupdatr-frame { min-height: 100%; }
@media (max-width: 1100px) { .form { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 800px) { .form { grid-template-columns: 1fr; } }
@media (max-width: 1000px) { .grid { grid-template-columns: 1fr; } }