:root{--bg-page: #eef3f9;--surface-main: rgba(255, 255, 255, .86);--surface-soft: rgba(255, 255, 255, .76);--text-primary: #14243a;--text-secondary: #33455f;--text-muted: #6c7b92;--brand: #1374ff;--brand-hover: #0f63d7;--border-soft: rgba(20, 36, 58, .14);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--font-family: "Avenir Next", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Segoe UI", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100%}body{font-family:var(--font-family);color:var(--text-primary);background:radial-gradient(circle at 0% 0%,#fff 0,#fff0 45%),linear-gradient(145deg,#edf3fb,#e4edf8);line-height:1.55;padding:16px}button{border:none;font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit;border:none;outline:none}.app-shell{max-width:1380px;margin:0 auto;display:grid;grid-template-columns:320px 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var(--border-soft)}.history-star.active{color:#d1a200;background:#fff9dd;border-color:#f0d67f}.history-main{text-align:left;background:transparent;display:flex;flex-direction:column;gap:4px;min-width:0}.history-favorite-name{font-size:.78rem;font-weight:700;color:#b68900;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-query{font-size:.84rem;color:var(--text-primary);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}.history-meta{display:flex;gap:6px;align-items:center;font-size:.72rem;color:var(--text-muted)}.history-model{max-width:120px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:1px 6px;border-radius:999px;border:1px solid var(--border-soft);background:#f9fbff}.history-actions{display:flex;flex-direction:column;gap:4px;justify-content:center}.history-mini-btn{border:1px solid var(--border-soft);background:#fff;color:var(--text-secondary);border-radius:var(--radius-sm);font-size:.72rem;padding:4px 6px}.history-mini-btn.danger{color:#b24848}.history-footer{border-top:1px solid var(--border-soft);padding:10px 12px 12px}.history-clear-all{width:100%;border:1px solid rgba(178,72,72,.22);border-radius:var(--radius-sm);background:#b248480f;color:#a53b3b;padding:9px 12px;font-size:.82rem;font-weight:700}@media(max-width:1080px){.history-sidebar{width:280px}}@media(max-width:860px){.history-sidebar{position:fixed;inset:auto 0 0;width:100%;max-height:48dvh;border-radius:16px 16px 0 0;z-index:30}.history-mobile-grip{display:block;width:48px;height:5px;border-radius:999px;background:#d2dae6;margin:8px auto 0}.history-mobile-toggle{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);padding:6px 10px;font-size:.75rem;border:1px solid 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