:root{--bg-canvas: #ffffff;--bg-aura: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(209, 250, 229, .45) 0%, rgba(255, 255, 255, 0) 70%);--bg-sidebar: #fcfcfd;--surface-card: #ffffff;--surface-hover: #f3f4f6;--surface-active: #e5e7eb;--user-bubble-bg: #f4f4f5;--border-subtle: #f1f2f4;--border-default: #e5e7eb;--border-hover: #d1d5db;--border-focus: #9ca3af;--text-main: #111827;--text-secondary: #374151;--text-muted: #6b7280;--text-dim: #9ca3af;--accent-green: #059669;--accent-green-light: #ecfdf5;--accent-green-dark: #065f46;--accent-green-border: #a7f3d0;--danger: #dc2626;--danger-text: #b91c1c;--danger-bg: #fef2f2;--danger-border: #fecaca;--warn-text: #92400e;--warn-bg: #fffbeb;--warn-border: #fde68a;--warn-accent: #d97706;--focus-ring: var(--accent-green);--r-xs: 4px;--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--r-xl: 20px;--r-pill: var(--r-sm);--ease-out: cubic-bezier(.22, 1, .36, 1);--dur-instant: .1s;--dur-fast: .15s;--dur-med: .25s;--dur-slow: .5s;--shadow-xs: 0 1px 2px rgba(0, 0, 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.history-label{padding:0}.history-chevron{color:var(--text-dim);transform:rotate(-90deg);transition:transform .18s var(--ease-out)}.history-chevron.open{transform:none}.history-empty{font-size:13px;color:var(--text-dim);padding:4px 10px;margin:0}.sidebar-foot{padding:12px 8px 4px;border-top:1px solid var(--border-subtle)}.sidebar-foot-text{font-size:11.5px;line-height:1.5;color:var(--text-dim);margin:0}.topbar-title{font-size:14px;font-weight:600;color:var(--text-main);white-space:nowrap}.topbar-title-sub{font-weight:400;color:var(--text-muted)}@keyframes view-in{0%{transform:translateY(8px)}to{transform:translateY(0)}}@keyframes msg-in{0%{transform:translateY(6px)}to{transform:translateY(0)}}.view-enter{opacity:1;animation:view-in var(--dur-med) var(--ease-out)}.msg-enter{opacity:1;animation:msg-in var(--dur-med) var(--ease-out)}.rcode{background:var(--surface-hover);border:1px solid var(--border-default);border-radius:var(--r-sm);padding:10px 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12px}.ev-head{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.ev-standard{font-weight:700;font-size:13px;color:var(--accent-green-dark)}.ev-badge{background:var(--surface-card);border:1px solid var(--border-default);border-radius:var(--r-pill);padding:1px 8px;font-size:11px;color:var(--text-secondary)}.ev-title{font-size:13px;font-weight:500;color:var(--text-main);margin-top:4px}.ev-heading{font-size:12.5px;color:var(--text-secondary);margin-top:2px}.ev-quote{font-size:12.5px;color:var(--text-muted);margin:8px 0;padding:8px 12px;line-height:1.6;background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:var(--r-sm)}.ev-link a{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:500;color:var(--accent-green-dark);text-decoration:none}.ev-link a:hover{text-decoration:underline}.src-trigger{display:inline-flex;align-items:center;gap:7px;margin-top:10px;max-width:180px;padding:6px 10px;border:1px solid var(--border-default);border-radius:var(--r-sm);background:var(--surface-card);color:var(--text-secondary);font:inherit;font-size:12.5px;font-weight:500;cursor:pointer;transition:background var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out)}.src-trigger:hover{background:var(--surface-hover);border-color:var(--border-hover);color:var(--text-main)}.src-trigger-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.src-page-actions{display:flex;align-items:center;gap:4px}.src-mode{border:0;background:transparent;color:var(--text-muted);font:inherit;font-size:12.5px;font-weight:500;padding:6px 8px;border-radius:var(--r-sm);cursor:pointer}.src-mode:hover{background:var(--surface-hover);color:var(--text-main)}.src-acc-list{display:flex;flex-direction:column;gap:8px}.src-acc{border:1px solid var(--border-default);border-radius:var(--r-md);background:var(--surface-card);overflow:hidden}.src-acc-sum{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:12px 14px;cursor:pointer;list-style:none}.src-acc-sum::-webkit-details-marker{display:none}.src-acc-copy{min-width:0}.src-acc-chevron{flex-shrink:0;margin-top:2px;color:var(--text-dim);transition:transform var(--dur-fast) var(--ease-out)}details.src-acc[open]>.src-acc-sum>.src-acc-chevron{transform:rotate(180deg)}.src-acc-body{padding:0 14px 14px}.src-page-panel.compact .src-acc-sum{padding:8px 12px}.src-card-std{font-size:13.5px;font-weight:600;color:var(--text-main)}.src-card-title{margin-top:4px;font-size:12.5px;color:var(--text-secondary);line-height:1.4}.src-expand{margin-top:6px;border:0;background:transparent;padding:0;font:inherit;font-size:12.5px;font-weight:600;color:var(--accent-green-dark);cursor:pointer}.src-page{position:fixed;top:0;right:0;bottom:0;left:0;z-index:80}.src-page-scrim{position:absolute;top:0;right:0;bottom:0;left:0;border:0;padding:0;background:#00000047;cursor:pointer}.src-page-panel{position:absolute;top:0;right:0;bottom:0;width:min(420px,100%);background:var(--bg-canvas);border-left:1px solid var(--border-subtle);box-shadow:var(--shadow-md);padding:20px 22px 28px;overflow-y:auto;display:flex;flex-direction:column;gap:10px}.src-page-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.src-page-std{font-size:16px;font-weight:700;color:var(--text-main);letter-spacing:-.02em}.src-page-title{margin-top:4px;font-size:14px;font-weight:500;color:var(--text-secondary);line-height:1.45}.src-page-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.src-page-badge{font-size:11px;font-weight:600;padding:2px 8px;border-radius:var(--r-pill);background:var(--accent-green-light);color:var(--accent-green-dark);border:1px solid var(--accent-green-border)}.src-page-file{font-size:12px;color:var(--text-dim)}.src-page-heading{font-size:13px;color:var(--text-muted)}.src-page-excerpt{margin:6px 0 0;font-size:14px;line-height:1.65;color:var(--text-secondary);white-space:pre-wrap}.src-page-empty{color:var(--text-dim)}.capsule-icon-btn.listening{background:var(--accent-green-light);color:var(--accent-green-dark);animation:mic-pulse 1.4s ease-in-out infinite}.capsule-icon-btn.transcribing{opacity:1;cursor:default;color:var(--accent-green-dark);background:var(--accent-green-light)}.mic-spin{animation:mic-spin .8s linear infinite}@keyframes mic-spin{to{transform:rotate(360deg)}}@keyframes mic-pulse{0%,to{box-shadow:0 0 #05966959}50%{box-shadow:0 0 0 6px #05966900}}.composer-disclaimer{text-align:center;font-size:11.5px;color:var(--text-dim);margin:8px 0 0;padding:0 16px}@media (max-width: 680px){.topbar-title-sub{display:none}.clean-topbar{padding:0 12px}.composer-disclaimer{font-size:10.5px}}@media (prefers-reduced-motion: reduce){.view-enter,.msg-enter,.capsule-icon-btn.listening,.mic-spin{animation:none}}.floating-composer-container.composer-centered{position:static;transform:none;width:100%;max-width:720px;margin:30px auto 0;padding:0;z-index:auto}.composer-centered .floating-capsule{align-items:flex-end;padding:12px 10px 10px 18px}.composer-multiline{resize:none;line-height:1.6;font-family:inherit;max-height:170px}.lang-menu-wrap{position:relative}.lang-menu-btn{display:flex;align-items:center;gap:6px;background:transparent;border:none;border-radius:var(--r-sm);padding:8px 9px;font:inherit;font-size:13px;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:background var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out)}.lang-menu-btn:hover{background:var(--surface-hover);color:var(--text-main)}.lang-chevron{color:var(--text-dim);transition:transform .18s var(--ease-out)}.lang-chevron.open{transform:rotate(180deg)}.lang-menu{position:absolute;top:calc(100% + 6px);right:0;min-width:148px;background:var(--surface-card);border:1px solid var(--border-default);border-radius:var(--r-md);box-shadow:var(--shadow-md);padding:5px;z-index:100;animation:menu-in var(--dur-fast) var(--ease-out) both}@keyframes menu-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.lang-menu-item{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;background:transparent;border:none;border-radius:var(--r-sm);padding:8px 10px;font:inherit;font-size:13px;color:var(--text-secondary);cursor:pointer;text-align:left;transition:background .12s var(--ease-out)}.lang-menu-item:hover{background:var(--surface-hover);color:var(--text-main)}.lang-menu-item.active{color:var(--accent-green-dark);font-weight:600}.sidebar-foot-text{font-size:11px;line-height:1.5;color:var(--text-dim);margin:0}@media (prefers-reduced-motion: reduce){.lang-menu{animation:none}}.toast-notification{animation:toast-in var(--dur-med) cubic-bezier(.21,1.02,.73,1) both}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,12px)}to{opacity:1;transform:translate(-50%)}}.expand-wrap{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--dur-med) var(--ease-out)}details[open]>.expand-wrap{grid-template-rows:1fr}.expand-wrap>*{min-height:0;overflow:hidden}.expand-wrap>.cite-list,.expand-wrap>.ev-list{overflow-y:auto;max-height:620px}.hero-emblem-wrap{animation:hero-in var(--dur-slow) var(--ease-out) both}.hero-headline{animation:hero-in var(--dur-slow) .08s var(--ease-out) both}.composer-centered{animation:hero-in var(--dur-slow) var(--dur-fast) ease both}@keyframes hero-in{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.capsule-send-circle{transition:all var(--dur-fast) var(--ease-out),transform var(--dur-instant) var(--ease-out)}.capsule-send-circle:active:not(:disabled){transform:scale(.9)}.sk-avatar span{display:block;width:24px;height:24px;border-radius:var(--r-pill);background:var(--surface-hover)}.sk-lines{display:flex;flex-direction:column;gap:10px;padding-top:4px;width:100%;max-width:420px}.sk-line{display:block;height:14px;border-radius:var(--r-sm);background:linear-gradient(90deg,var(--surface-hover) 25%,var(--surface-active) 50%,var(--surface-hover) 75%);background-size:200% 100%;animation:sk-shimmer 1.3s ease-in-out infinite}.sk-w90{width:90%}.sk-w70{width:70%}.sk-w80{width:80%}.sk-lines .sk-line:nth-child(2){animation-delay:.12s}.sk-lines .sk-line:nth-child(3){animation-delay:.24s}@keyframes sk-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.jump-bottom{position:absolute;bottom:108px;left:50%;transform:translate(-50%);width:36px;height:36px;border-radius:var(--r-pill);border:1px solid var(--border-default);background:var(--surface-card);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-sm);z-index:40;animation:jump-in var(--dur-fast) var(--ease-out) both}.jump-bottom:hover{background:var(--surface-hover);color:var(--text-main)}@keyframes jump-in{0%{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%)}}.clean-error-card{animation:error-in var(--dur-med) var(--ease-out) both}@keyframes error-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.floating-composer-container{transition:left var(--dur-fast) var(--ease-out)}.history-empty{font-size:12px}@media (prefers-reduced-motion: reduce){.toast-notification,.hero-emblem-wrap,.hero-headline,.composer-centered,.jump-bottom,.clean-error-card{animation:none}.expand-wrap{transition:none}details[open]>.expand-wrap{grid-template-rows:1fr}.sk-line{animation:none}.icon-btn svg{transition:none}}