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var(--accent);background:var(--accent);color:#f8fbf9}.history-login-button:hover:not(:disabled){border-color:var(--accent-hover);background:var(--accent-hover)}.history-login-button:disabled{cursor:not-allowed;opacity:.58}.history-error,.history-empty{border:1px solid var(--border);border-radius:var(--radius-surface);background:var(--surface-strong);color:var(--muted-strong);justify-items:start;gap:9px;margin:10px 0;padding:22px;display:grid}.history-error{border-color:var(--danger-border);color:var(--danger)}.history-error h3,.history-empty h3{color:var(--text-strong);font-size:14px;font-weight:680}.history-error p,.history-empty p{color:var(--muted-strong);font-size:11px;line-height:1.55}.history-error button{border:1px solid var(--border-strong);background:var(--surface-strong);color:var(--muted-strong);margin-top:3px}.history-error button:hover{background:var(--surface-muted);color:var(--text)}.history-list{padding:0 0 calc(10px + env(safe-area-inset-bottom));gap:8px;margin:0;list-style:none;display:grid}.history-item{border:1px solid var(--border);border-radius:var(--radius-control);background:var(--surface-strong);width:100%;min-width:0;color:var(--text);text-align:left;gap:11px;padding:13px 14px;transition:border-color .15s,background-color .15s;display:grid}.history-item:hover:not(:disabled){border-color:var(--border-strong);background:var(--surface-soft)}.history-item.is-current{border-color:var(--accent-border);background:var(--accent-soft)}.history-item:disabled{cursor:wait;opacity:.66}.history-item-main{gap:5px;min-width:0;display:grid}.history-item-main strong{color:var(--text-strong);text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:680;overflow:hidden}.history-item-main small{color:var(--muted-strong);overflow-wrap:anywhere;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:11px;line-height:1.5;display:-webkit-box;overflow:hidden}.history-item-meta{min-width:0;color:var(--muted);flex-wrap:wrap;align-items:center;gap:5px 12px;font-size:10px;display:flex}.history-current-label{color:var(--accent);font-weight:680}.history-project-list,.history-conversation-list{margin:0;padding:0;list-style:none}.history-project-list{padding-bottom:calc(10px + env(safe-area-inset-bottom));gap:10px;display:grid}.history-project{border:1px solid var(--border);border-radius:var(--radius-surface);background:var(--surface-strong);min-width:0;overflow:hidden}.history-project.is-current{border-color:var(--accent-border)}.history-project-toggle{width:100%;min-width:0;color:var(--text);text-align:left;background:0 0;border:0;grid-template-columns:34px minmax(0,1fr) auto 18px;align-items:center;gap:9px;padding:12px 13px;display:grid}.history-project-toggle:hover:not(:disabled){background:var(--surface-soft)}.history-project-toggle:disabled,.history-conversation-item:disabled{cursor:wait;opacity:.66}.history-project-icon{border:1px solid var(--accent-border);background:var(--accent-soft);width:34px;height:34px;color:var(--accent);border-radius:9px;place-items:center;display:grid}.history-project-main,.history-conversation-main{min-width:0;display:grid}.history-project-main{gap:4px}.history-project-main strong,.history-conversation-main strong{color:var(--text-strong);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.history-project-main strong{font-size:13px;font-weight:700}.history-project-main small{color:var(--muted);font-size:10px}.history-project-current{background:var(--accent-soft);color:var(--accent);white-space:nowrap;border-radius:999px;padding:3px 6px;font-size:9px;font-weight:700}.history-project-caret{color:var(--muted);transition:transform .15s}.history-project-toggle[aria-expanded=true] .history-project-caret{transform:rotate(180deg)}.history-conversation-rail{border-top:1px solid var(--border);background:var(--surface-soft);padding:1px 10px 11px 42px;position:relative}.history-conversation-rail:before{background:var(--accent-border);content:"";width:1px;position:absolute;top:0;bottom:15px;left:25px}.history-conversation-list{gap:4px;padding-top:8px;display:grid}.history-conversation-item{width:100%;min-width:0;color:var(--text);text-align:left;background:0 0;border:1px solid #0000;border-radius:9px;grid-template-columns:minmax(0,1fr) auto;gap:5px 12px;padding:10px 11px;display:grid;position:relative}.history-conversation-item:hover:not(:disabled){border-color:var(--border);background:var(--surface-strong)}.history-conversation-item.is-current{border-color:var(--accent-border);background:var(--accent-soft)}.history-conversation-dot{border:2px solid var(--surface-soft);background:var(--border-strong);box-sizing:content-box;border-radius:50%;width:7px;height:7px;position:absolute;top:16px;left:-21px}.history-conversation-item.is-current .history-conversation-dot{background:var(--accent)}.history-conversation-main{gap:4px}.history-conversation-main strong{font-size:12px;font-weight:660}.history-conversation-main small{color:var(--muted-strong);overflow-wrap:anywhere;-webkit-line-clamp:1;-webkit-box-orient:vertical;font-size:10px;line-height:1.45;display:-webkit-box;overflow:hidden}.history-conversation-meta{max-width:108px;color:var(--muted);text-align:right;flex-wrap:wrap;place-content:start flex-end;gap:3px 8px;font-size:9px;display:flex}.history-project-empty{color:var(--muted);margin:0;padding:13px 10px 4px;font-size:10px}@media (prefers-reduced-motion:no-preference){.history-backdrop{animation:.15s ease-out both history-fade-in}.history-panel{animation:.19s cubic-bezier(.16,1,.3,1) both history-enter}.history-loading>span:not(.sr-only){animation:1.5s ease-in-out infinite alternate skeleton-breathe}}@keyframes history-fade-in{0%{opacity:0}to{opacity:1}}@keyframes history-enter{0%{transform:translate(-12px)}to{transform:translate(0)}}@media (width<=1180px){.app-header{grid-template-columns:minmax(0,1fr) auto}.service-state{display:none}}@media (width<=1020px){.header-actions{gap:4px}.header-button{width:44px;height:44px;min-height:44px;padding:0}.header-button span{display:none}}@media (width<=600px){.history-panel{border-right:0;width:100%}.history-header{min-height:62px;padding-right:max(10px, env(safe-area-inset-right));padding-left:max(14px, env(safe-area-inset-left))}.history-content{padding-right:max(10px, env(safe-area-inset-right));padding-left:max(10px, env(safe-area-inset-left))}}@media (width<=420px){.brand-mark{grid-template-rows:20px 7px;align-content:center;row-gap:1px}.brand-mark-version{letter-spacing:-.04em;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:8.5px;font-weight:750;line-height:1;display:block}.brand-copy{display:none}}@media (width<=360px){.app-header{padding-left:6px;padding-right:6px}.header-actions{gap:2px}.header-button{width:40px;height:40px;min-height:40px}}