.at-ss-wrap{position:relative;display:inline-block}
.at-ss-trigger{display:flex;align-items:center;gap:6px;min-width:160px;padding:7px 12px;background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;cursor:pointer;font-size:.875rem;color:#6b7280;transition:border-color .15s,box-shadow .15s;user-select:none;white-space:nowrap}
.at-ss-trigger:focus-within,.at-ss-trigger.is-open{border-color:var(--color-primary,#f97316);box-shadow:0 0 0 2px color-mix(in srgb,var(--color-primary,#f97316) 20%,transparent)}
.at-ss-trigger.has-value{color:#111827}
.at-ss-trigger-text{flex:1;overflow:hidden;text-overflow:ellipsis}
.at-ss-arrow{font-size:.6rem;color:#9ca3af;transition:transform .2s;flex-shrink:0}
.at-ss-trigger.is-open .at-ss-arrow{transform:rotate(180deg)}
.at-ss-panel{display:none;position:absolute;top:calc(100% + 4px);left:0;min-width:220px;background:#fff;border:1px solid #e5e7eb;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.12);z-index:9999;overflow:hidden;animation:ssFadeIn .12s ease}
@keyframes ssFadeIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.at-ss-panel.is-open{display:block}
.at-ss-search-wrap{padding:8px;border-bottom:1px solid #f3f4f6;position:relative}
.at-ss-search{width:100%;padding:6px 10px 6px 30px;font-size:.8125rem;background:#f9fafb;border:1px solid #e5e7eb;border-radius:7px;outline:none;color:#111;box-sizing:border-box}
.at-ss-search:focus{border-color:var(--color-primary,#f97316)}
.at-ss-search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:#9ca3af;font-size:.7rem;pointer-events:none}
.at-ss-list{max-height:220px;overflow-y:auto;padding:4px 0;scrollbar-width:thin;scrollbar-color:#e5e7eb transparent}
.at-ss-list::-webkit-scrollbar{width:4px}
.at-ss-list::-webkit-scrollbar-thumb{background:#e5e7eb;border-radius:4px}
.at-ss-option{padding:8px 14px;font-size:.8125rem;cursor:pointer;color:#374151;display:flex;align-items:center;justify-content:space-between;gap:8px;transition:background .1s}
.at-ss-option:hover{background:#fff7ed;color:var(--color-primary,#f97316)}
.at-ss-option.is-selected{color:var(--color-primary,#f97316);font-weight:600;background:#fff7ed}
.at-ss-option.is-reset{color:#9ca3af;font-style:italic}
.at-ss-option.is-hidden{display:none}
.at-ss-empty{padding:10px 14px;font-size:.8rem;color:#9ca3af;text-align:center;display:none}
.at-ss-empty.is-visible{display:block}
.dark .at-ss-trigger{background:#334155;border-color:#475569;color:#94a3b8}
.dark .at-ss-trigger.has-value{color:#e2e8f0}
.dark .at-ss-panel{background:#1e293b;border-color:#334155;box-shadow:0 10px 30px rgba(0,0,0,.4)}
.dark .at-ss-search-wrap{border-color:#334155}
.dark .at-ss-search{background:#0f172a;border-color:#334155;color:#e2e8f0}
.dark .at-ss-option{color:#cbd5e1}
.dark .at-ss-option:hover,.dark .at-ss-option.is-selected{background:#0f172a;color:var(--color-primary,#f97316)}
.dark .at-ss-list::-webkit-scrollbar-thumb{background:#334155}