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var(--ease), color .16s var(--ease);background:0 0;border:0;border-radius:8px;align-items:center;gap:6px;padding:6px 10px;font-size:12px;display:inline-flex}.answer-actions button:hover{background:var(--linen-deep);color:var(--ink)}.sources-panel{border:1px solid var(--line);background:var(--surface);border-radius:12px;margin-top:12px;overflow:hidden}.sources-panel summary{color:var(--muted);cursor:pointer;justify-content:space-between;align-items:center;padding:11px 14px;font-size:13px;list-style:none;display:flex}.sources-panel summary::-webkit-details-marker{display:none}.sources-panel summary:hover{background:var(--amber-tint);color:var(--brown)}.sources-panel[open] summary svg{transform:rotate(180deg)}.sources-panel summary svg{transition:transform .18s var(--ease)}.source-list{border-top:1px solid var(--line);background:var(--line);grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;display:grid}.source-item{background:var(--surface);min-width:0;padding:13px 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message-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes thinking{0%{opacity:.5;transform:scaleX(.82)}to{opacity:1;transform:scaleX(1)}}@media (max-width:900px){.source-list{grid-template-columns:1fr}}@media (max-width:768px){.rail{display:none}.mobile-bar{padding:max(10px, env(safe-area-inset-top)) 12px 10px;border-bottom:1px solid var(--line);background:var(--linen);justify-content:space-between;align-items:center;gap:12px;display:flex}.mobile-title{color:var(--ink);font-family:var(--font-display), serif;font-size:16px;font-weight:600}.drawer{z-index:40;border-right:1px solid var(--line);width:min(86vw,320px);height:100dvh;box-shadow:var(--shadow-float);transition:transform .26s var(--ease);position:fixed;top:0;left:0;transform:translate(-100%)}.drawer.is-open{width:min(86vw,320px);transform:none}.drawer-inner{width:100%;padding-top:max(14px, env(safe-area-inset-top))}.drawer-close{display:grid}.drawer-backdrop{z-index:39;opacity:0;pointer-events:none;transition:opacity .26s var(--ease);background:#2b211852;display:block;position:fixed;inset:0}.drawer-backdrop.is-open{opacity:1;pointer-events:auto}.stage-empty{align-items:flex-start;padding:24px 16px}.stage-empty-inner{padding-bottom:calc(16px + env(safe-area-inset-bottom));align-items:flex-start;gap:20px}.greeting{flex-direction:column;align-items:flex-start;gap:14px;font-size:28px}.greeting-monogram{width:46px;height:46px;font-size:18px}.chips{scrollbar-width:none;-webkit-overflow-scrolling:touch;flex-wrap:nowrap;justify-content:flex-start;align-self:stretch;margin:0 -16px;padding:2px 16px 4px;overflow-x:auto}.chips::-webkit-scrollbar{display:none}.thread-header{display:none}.message-list{padding:22px 14px 24px}.message+.message{margin-top:24px}.message-user{max-width:90%}.message-content{font-size:15px}.stage-thread .composer-column,.stage-empty .composer-column{max-width:none}.stage-thread .composer-column{padding:0 12px calc(12px + env(safe-area-inset-bottom))}.composer{padding:12px}.composer textarea{min-height:42px;font-size:16px}.model-tag{font-size:12px}}@media (max-width:380px){.model-tag{display:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}