*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--cs-background); color: var(--cs-text); }
.gradient-text { background: linear-gradient(135deg,#7c3aed,#0ea5e9,#ec4899); background-size: 200%; -webkit-background-clip: text; -webkit-text-fill-color: transparent; animation: gs 4s ease infinite; }
@keyframes gs { 0%,100%{background-position:0%} 50%{background-position:100%} }
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 40px; }
.filter-btn { background: var(--cs-surface); border: 1px solid var(--cs-border); border-radius: 4px; padding: 4px 12px; font-size: 12px; font-weight: 500; color: var(--cs-text-muted); cursor: pointer; transition: border-color 0.15s, color 0.15s; }
.filter-btn:hover, .filter-btn.active { border-color: rgba(124,58,237,0.5); color: var(--cs-text); background: rgba(124,58,237,0.08); }
.themes-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.theme-card { background: var(--cs-surface); border: 1px solid var(--cs-border); border-radius: var(--cs-radius); overflow: hidden; transition: transform 0.2s, box-shadow 0.2s; cursor: pointer; }
.theme-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.3); }
.theme-preview { padding: 20px; }
.theme-info { padding: 14px 16px; border-top: 1px solid var(--cs-border); display: flex; align-items: center; justify-content: space-between; }
.theme-name { font-weight: 600; font-size: 14px; }
.theme-meta { display: flex; align-items: center; gap: 6px; }
.theme-modal { position: fixed; inset: 0; z-index: 1000; display: none; align-items: center; justify-content: center; }
.theme-modal.open { display: flex; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.6); }
.modal-box { position: relative; z-index: 1; background: var(--cs-surface); border: 1px solid var(--cs-border); border-radius: var(--cs-radius); width: 90%; max-width: 560px; padding: 28px; }
.modal-close-btn { position: absolute; top: 16px; right: 16px; background: var(--cs-border); border: none; border-radius: 50%; width: 28px; height: 28px; cursor: pointer; font-size: 16px; color: var(--cs-text); display: flex; align-items: center; justify-content: center; }