/* Theme picker and previews */
.theme-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}.theme-option{display:grid;gap:.45rem;padding:1rem;border:1px solid rgba(55,24,7,.28);border-radius:10px;background:rgba(255,238,190,.34)}.theme-option.is-current{box-shadow:0 0 0 3px rgba(126,62,19,.3)}.theme-preview{height:92px;border:4px solid #5b2b0e;border-radius:8px;background:linear-gradient(135deg,#2b170a,#8b5422);box-shadow:inset 0 0 20px rgba(0,0,0,.45)}.theme-preview.library{background:linear-gradient(135deg,#26160a,#6b3f1d)}.theme-preview.forest-camp{background:linear-gradient(135deg,#0d2511,#7d5a22)}.theme-preview.storm-coast{background:linear-gradient(135deg,#102838,#607c8b)}.theme-preview.moonlit-grove{background:linear-gradient(135deg,#111733,#415e41)}.theme-preview.desert-market{background:linear-gradient(135deg,#5c2d10,#c88c3c)}.theme-preview.arcane-study{background:linear-gradient(135deg,#1a102f,#8e46b6)}.theme-preview.dragon-hoard{background:linear-gradient(135deg,#2a0904,#d49325)}.theme-preview.royal-hall{background:linear-gradient(135deg,#22113b,#c1a35a)}.theme-preview.shadowfell{background:linear-gradient(135deg,#050506,#3a253f)}.theme-preview.crystal-spire{background:linear-gradient(135deg,#163047,#7dd6e8)}.theme-preview-live{position:fixed;inset:auto 1rem 1rem auto;width:min(320px,calc(100vw - 2rem));padding:.75rem;border-radius:12px;background:#f0d8a1;border:3px solid #5b2b0e;z-index:400;display:none}.theme-preview-live.active{display:block}