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strong{font-family:var(--f-mono);color:var(--c-ink-1);font-size:15px;font-weight:500}.practice-feedback-meta{color:var(--c-ink-3);font-size:12.5px}.practice-reason{border-radius:var(--r-m);background:#a6843a0f;border:1px solid #a6843a2e;flex-direction:column;gap:8px;padding:12px 14px;display:flex}.practice-reason-btn{border-radius:var(--r-s);background:var(--c-bg-card);height:30px;color:var(--c-jin);font-family:var(--f-ui);cursor:pointer;border:none;align-self:flex-start;align-items:center;gap:6px;padding:0 12px;font-size:12.5px;font-weight:500;transition:background .16s,transform .12s;display:inline-flex;box-shadow:0 0 0 1px 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0}.practice-inline-error{border-radius:var(--r-s);color:#8a2828;background:#b533330f;border:1px solid #b533332e;align-items:center;gap:8px;padding:10px 14px;font-size:12.5px;display:flex}.practice-actions{flex-wrap:wrap;justify-content:center;gap:12px;padding:6px 0 12px;display:flex}.practice-btn{border-radius:var(--r-m);height:42px;font-family:var(--f-ui);cursor:pointer;border:none;align-items:center;gap:8px;padding:0 22px;font-size:14px;font-weight:500;transition:background .18s,box-shadow .18s,transform .12s;display:inline-flex}.practice-btn:disabled{opacity:.55;cursor:not-allowed}.practice-btn.primary{background:var(--c-zhu);color:#faf9f5;box-shadow:0 0 0 1px var(--c-zhu), 0 6px 18px #c964422e}.practice-btn.primary:hover:not(:disabled){background:var(--c-zhu-h);box-shadow:0 0 0 1px var(--c-zhu-h), 0 10px 24px #c9644238}.practice-btn.primary:active:not(:disabled){transform:scale(.99)}.practice-btn.ghost{color:var(--c-ink-2);box-shadow:0 0 0 1px var(--c-border-s);background:0 0}.practice-btn.ghost:hover:not(:disabled){background:var(--c-bg-hover);box-shadow:0 0 0 1px var(--c-border-i)}@media (width<=600px){.practice-body{padding:22px 20px}.practice-stem{font-size:15.5px}.practice-option{padding:12px 14px;font-size:14px}}.wrongbook-overlay{z-index:92}.wrongbook-tabs{background:var(--c-bg-warm);border-bottom:1px solid var(--c-border-s);gap:4px;padding:0 24px;display:flex}.wrongbook-tab{height:38px;color:var(--c-ink-3);font-family:var(--f-ui);letter-spacing:.02em;cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:0 16px;font-size:13px;font-weight:500;transition:color .16s;display:inline-flex;position:relative}.wrongbook-tab:hover{color:var(--c-ink-1)}.wrongbook-tab.active{color:var(--c-zhu)}.wrongbook-tab.active:after{content:"";background:var(--c-zhu);border-radius:2px 2px 0 0;height:2px;position:absolute;bottom:0;left:8px;right:8px}@media (width<=600px){.wrongbook-tabs{padding:0 12px}.wrongbook-tab{padding:0 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small{color:var(--faint);margin-top:2px;font-size:10.5px;line-height:1.4}.settings-field-card select{border:1px solid var(--border);background:var(--sidebar-surface);width:180px;height:34px;color:var(--ink);border-radius:7px;padding:0 9px;font-size:12px}.settings-control-block{flex-direction:column;align-items:flex-start}.settings-control-head{width:100%}.settings-segments{grid-template-columns:repeat(4,1fr);gap:4px;width:100%;display:grid}.settings-segments button{border:1px solid var(--border-soft);background:var(--sidebar-surface);height:31px;color:var(--muted);border-radius:6px;font-size:11.5px}.settings-segments button:hover,.settings-segments button.is-active{border-color:var(--border-heavy);background:var(--selected);color:var(--ink)}.settings-range-card>div{align-items:center;gap:9px;width:190px;display:flex}.settings-range-card input{min-width:0;accent-color:var(--accent);flex:1}.settings-range-card output{width:28px;color:var(--accent);text-align:right;font-size:12px;font-weight:600}.settings-mode-list button{width:100%;color:var(--ink);text-align:left;justify-content:space-between}.settings-mode-list button:hover,.settings-mode-list button.is-active{border-color:var(--border-heavy);background:var(--sidebar-surface)}.settings-mode-list button i{border:1px solid var(--border-heavy);border-radius:50%;width:12px;height:12px}.settings-mode-list button.is-active i{border:3px solid var(--accent)}.settings-answer-style,.settings-scope-field{margin-top:18px}.settings-switch-card{cursor:pointer}.settings-switch-icon{background:var(--sidebar-surface);width:34px;height:34px;color:var(--muted);border-radius:6px;flex:0 0 34px;place-items:center;display:grid}.settings-switch-card input[type=checkbox]{appearance:none;background:var(--border);border-radius:20px;flex:0 0 36px;width:36px;height:20px;transition:background .18s;position:relative}.settings-switch-card input[type=checkbox]:after{content:"";background:#fff;border-radius:50%;width:14px;height:14px;transition:transform .18s;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #0003}.settings-switch-card input[type=checkbox]:checked{background:var(--accent)}.settings-switch-card input[type=checkbox]:checked:after{transform:translate(16px)}@media (width<=1023px){.claude-sidebar,.claude-sidebar.is-collapsed{border-right-color:color-mix(in srgb, var(--ink) 10%, transparent);opacity:1;pointer-events:auto;width:min(88vw,288px);position:fixed;inset:0 auto 0 0}.claude-sidebar.is-collapsed{transform:translate(-100%)}.claude-sidebar.is-open{box-shadow:var(--shadow-pop);transform:translate(0)}.sidebar-open-button{display:grid}.sidebar-scrim{z-index:35;background:#14131147;border:0;width:100%;height:100%;display:block;position:fixed;inset:0}}@media (width<=767px){.chat-header{padding:0 11px}.header-mode{display:none}.agent-home{padding:28px 16px 36px}.agent-home-hero{padding-top:7vh}.agent-home-heading{gap:10px}.agent-home-heading h1{font-size:28px}.agent-mark-lg{width:30px;height:30px}.message-list{padding:26px 14px 18px}.user-message-bubble{max-width:94%}.composer-chat{padding:8px 10px calc(8px + env(safe-area-inset-bottom))}.composer-context-hint,.composer-note{display:none}.message-actions{opacity:1}}@media (width<=700px){.settings-overlay{align-items:flex-end;padding:8px}.settings-dialog{border-radius:12px;grid-template-rows:auto minmax(0,1fr);grid-template-columns:1fr;width:100%;height:96dvh}.settings-nav{border-right:0;border-bottom:1px solid var(--border-soft);min-height:auto;padding:12px}.settings-nav-brand,.settings-nav-note{display:none}.settings-nav-tabs{grid-template-columns:repeat(3,1fr);margin-top:0}.settings-nav-tabs button{justify-content:center;padding:0 6px}.settings-page{padding:28px 16px 20px}.settings-close{top:61px;right:11px}.settings-page-head h2{padding-right:34px;font-size:22px}.settings-field-card,.settings-range-card{flex-direction:column;align-items:stretch;gap:8px}.settings-field-card select,.settings-range-card>div{width:100%}}@media (width<=470px){.agent-home-heading{align-items:flex-start}.agent-home-heading h1{font-size:25px;line-height:1.2}.agent-home-suggestions{gap:8px;padding-top:22px}.home-suggestion{min-height:60px;padding:11px 12px}.settings-nav-tabs button{gap:5px;font-size:11px}}@media (hover:none){.message-actions{opacity:1}.conversation-actions{opacity:1;max-width:26px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}