:root{--bg: #FFF5F8;--surface: #FFFFFF;--surface-2: #FFE9F1;--ink: #4A2D38;--ink-2: #856572;--ink-3: #BFA0AC;--border: rgba(180, 100, 130, .12);--border-2: rgba(180, 100, 130, .26);--accent: #FF7AA8;--accent-2: #FFB6CE;--accent-deep: #E64880;--fox: #FFD4E0;--fox-deep: #FFB6CE;--info: #C8E6CD;--info-ink: #4A7B5C;--warn: #F5C97A;--warn-ink: #8C6512;--blocker: #E86888;--blocker-ink: #8C2950;--radius: 20px;--radius-sm: 12px;--shadow-soft: 0 8px 24px rgba(255, 122, 168, .1);--shadow-pop: 0 14px 40px rgba(255, 122, 168, .28);--f-body: "Quicksand", "Nunito", "Noto Sans SC", -apple-system, sans-serif;--f-mono: ui-monospace, "JetBrains Mono", "IBM Plex Mono", monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;background-image:radial-gradient(60% 50% at 10% 0%,rgba(255,182,206,.45),transparent 60%),radial-gradient(50% 40% at 100% 100%,rgba(255,212,224,.5),transparent 60%),radial-gradient(40% 30% at 90% 10%,rgba(200,230,205,.25),transparent 60%);background-attachment:fixed}::selection{background:var(--accent-2);color:var(--ink)}.app{max-width:1700px;margin:0 auto;padding:24px 32px 40px}.topbar{display:flex;justify-content:space-between;align-items:center;padding:10px 0 24px;flex-wrap:wrap;gap:12px}.brand{display:inline-flex;align-items:center;gap:12px;font-weight:700;font-size:22px;color:var(--ink);letter-spacing:.02em}.brand-fox{font-size:32px;filter:drop-shadow(0 4px 8px rgba(255,122,168,.35))}.brand-text{display:inline-flex;align-items:baseline;gap:8px}.brand-cn{color:var(--ink-2);font-weight:500;font-size:16px}.brand-link{color:var(--ink-2);font-size:15px;text-decoration:none;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);transition:color .25s,border-color .25s,transform .25s;font-weight:500}.brand-link:hover{color:var(--accent-deep);border-color:var(--accent-2);transform:translateY(-1px)}.main{display:grid;grid-template-columns:1.1fr 1fr;gap:28px;align-items:start}.side{display:flex;flex-direction:column;gap:20px}.card{background:var(--surface);border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow-soft);border:1px solid var(--border)}.input-area{display:flex;flex-direction:column;gap:16px}.input-head h2{font-size:24px;font-weight:700;color:var(--ink);margin-bottom:4px}.input-head .hint{font-size:14px;color:var(--ink-2)}.input-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.lang-picker{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2);font-weight:500}.lang-picker select{padding:8px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-2);background:var(--surface-2);color:var(--ink);font-family:inherit;font-size:15px;font-weight:500;cursor:pointer;transition:border-color .25s}.lang-picker select:hover{border-color:var(--accent-2)}.lang-picker select:disabled{opacity:.55;cursor:not-allowed}.counter{font-family:var(--f-mono);font-size:13px;color:var(--ink-3);font-weight:500}.counter.is-near{color:var(--warn-ink)}.counter.is-over{color:var(--blocker);font-weight:700}.input-textarea{width:100%;border-radius:var(--radius-sm);border:1px solid var(--border-2);background:var(--surface-2);color:var(--ink);padding:16px 18px;font-family:var(--f-mono);font-size:14px;line-height:1.6;resize:vertical;min-height:320px;transition:border-color .25s,background .25s,box-shadow .25s}.input-textarea:focus{outline:none;border-color:var(--accent);background:var(--surface);box-shadow:0 0 0 3px #ff7aa826}.input-textarea:disabled{opacity:.65;cursor:not-allowed}.input-error{background:#e8688a1a;color:var(--blocker-ink);padding:12px 16px;border-radius:var(--radius-sm);border:1px solid rgba(232,104,138,.3);font-size:14px;font-weight:500}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#fff;border:none;border-radius:var(--radius-sm);padding:14px 28px;font-family:inherit;font-size:16px;font-weight:700;letter-spacing:.02em;cursor:pointer;transition:transform .2s,box-shadow .2s,opacity .2s;align-self:flex-start;box-shadow:var(--shadow-pop)}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 16px 44px #ff7aa859}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}.mascot{display:flex;flex-direction:column;align-items:center;gap:14px;padding:24px 20px;background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-soft)}.mascot svg{filter:drop-shadow(0 6px 14px rgba(255,122,168,.3));transition:transform .35s}.mascot.is-thinking svg{animation:foxBounce .9s ease-in-out infinite}@keyframes foxBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.mascot-bubble{background:var(--accent-2);color:var(--ink);padding:8px 16px;border-radius:20px;font-size:15px;font-weight:600;position:relative;box-shadow:0 4px 12px #ff7aa840}.mascot-bubble:before{content:"";position:absolute;top:-6px;left:50%;transform:translate(-50%);width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-bottom:7px solid var(--accent-2)}.review{display:flex;flex-direction:column;gap:16px}.review-summary h3{font-size:13px;font-weight:700;color:var(--accent-deep);letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px}.review-summary h3:before{content:"♥ ";margin-right:2px}.review-summary p{font-size:17px;line-height:1.65;color:var(--ink);font-weight:500}.review-empty{text-align:center;color:var(--ink-2);padding:28px 24px;font-size:15px;line-height:1.7}.review-list{display:flex;flex-direction:column;gap:14px;list-style:none}.review-item{display:flex;flex-direction:column;gap:12px}.review-item-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.review-item-head h4{font-size:18px;font-weight:700;color:var(--ink);flex:1;min-width:0}.line-tag{font-family:var(--f-mono);font-size:13px;color:var(--ink-2);background:var(--surface-2);padding:3px 8px;border-radius:6px;font-weight:500}.review-item .detail{font-size:15px;line-height:1.65;color:var(--ink)}.review-item .suggestion{background:#b8e0d240;border-left:3px solid var(--info);padding:12px 16px;border-radius:var(--radius-sm)}.suggestion-label{display:inline-block;font-size:12px;font-weight:700;color:var(--info-ink);letter-spacing:.12em;text-transform:uppercase;margin-bottom:4px}.review-item .suggestion p{font-size:14px;line-height:1.6;color:var(--ink)}.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:8px;font-size:12px;font-weight:700;letter-spacing:.08em;white-space:nowrap}.chip.sev-info{background:var(--info);color:var(--info-ink)}.chip.sev-warn{background:var(--warn);color:var(--warn-ink)}.chip.sev-blocker{background:var(--blocker);color:#fff}.chip-emoji{font-size:14px}.bottom{margin-top:36px;padding:20px 0;display:flex;justify-content:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--ink-3);border-top:1px solid var(--border)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}.mascot.is-thinking svg{animation:none!important}}@media (max-width: 900px){.main{grid-template-columns:1fr}}@media (max-width: 480px){.app{padding:16px 14px 32px}.card{padding:18px}.brand{font-size:18px}.brand-fox{font-size:26px}.brand-cn{font-size:14px}.brand-text{flex-wrap:wrap;gap:4px}.input-head h2{font-size:20px}.input-textarea{font-size:13px;padding:12px 14px}.mascot svg{width:140px;height:140px}.btn-primary{width:100%;padding:12px 20px}}.main-files{grid-template-columns:220px minmax(0,1fr) 320px;gap:20px}.topbar-actions{display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap}.files-pane{display:flex;flex-direction:column;gap:14px;min-height:600px;padding:18px}.files-head h2{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.02em}.filelist{list-style:none;display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto;margin:0;padding:0;min-height:200px}.filelist-empty{text-align:center;color:var(--ink-3);padding:32px 12px;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;font-size:14px}.filelist-empty .hint{font-size:12px;color:var(--ink-3)}.filelist-item{display:flex;align-items:center;gap:4px;border-radius:var(--radius-sm);padding:2px 4px;transition:background .15s}.filelist-item.is-selected{background:var(--surface-2)}.filelist-name{flex:1;display:flex;align-items:center;gap:8px;background:transparent;border:0;padding:6px;text-align:left;cursor:pointer;color:var(--ink);font:inherit;font-size:13px;min-width:0}.filelist-name:hover{color:var(--accent-deep)}.filelist-icon{font-size:13px;color:var(--ink-3);flex-shrink:0}.filelist-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.filelist-size{color:var(--ink-3);font-size:11px;font-family:var(--f-mono);flex-shrink:0}.filelist-remove{background:transparent;border:0;color:var(--ink-3);cursor:pointer;padding:4px 6px;border-radius:6px;font-size:14px;line-height:1}.filelist-remove:hover{background:#e8688a1f;color:var(--blocker)}.addfile-menu{display:flex;flex-wrap:wrap;gap:6px}.addfile-btn{flex:1;min-width:90px;font-size:13px;padding:7px 10px}.files-counter{font-family:var(--f-mono);font-size:12px;color:var(--ink-3);text-align:right;padding:0 4px}.files-counter .is-over{color:var(--blocker);font-weight:700}.viewer-pane{min-height:600px;padding:0;overflow:hidden;display:flex;flex-direction:column}.viewer-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:14px;padding:40px}.viewer{display:flex;flex-direction:column;height:100%}.viewer-head{display:flex;justify-content:space-between;align-items:baseline;padding:14px 18px;border-bottom:1px solid var(--border);font-size:13px;gap:16px}.viewer-name{font-weight:700;font-family:var(--f-mono);color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.viewer-meta{color:var(--ink-3);font-size:12px;flex-shrink:0}.viewer-body{font-family:var(--f-mono);font-size:13px;line-height:1.6;overflow:auto;flex:1;padding:8px 0;margin:0;background:var(--surface);white-space:pre}.viewer-line{display:flex;white-space:pre}.viewer-line:hover{background:var(--surface-2)}.viewer-lineno{display:inline-block;min-width:56px;padding:0 14px 0 16px;text-align:right;color:var(--ink-3);-webkit-user-select:none;user-select:none;font-size:11px;flex-shrink:0}.viewer-linecontent{flex:1;padding-right:16px;color:var(--ink)}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#321e0a66;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.dialog{background:var(--surface);border-radius:var(--radius);width:min(560px,92vw);max-height:86vh;display:flex;flex-direction:column;box-shadow:var(--shadow-pop);border:1px solid var(--border)}.dialog-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border)}.dialog-head h3{font-size:17px;font-weight:700;color:var(--ink)}.dialog-close{background:transparent;border:0;font-size:18px;cursor:pointer;color:var(--ink-3);padding:4px 8px;border-radius:6px}.dialog-close:hover{background:var(--surface-2);color:var(--ink)}.dialog-body{padding:18px 20px;overflow-y:auto;display:flex;flex-direction:column;gap:14px}.dialog-foot{display:flex;justify-content:flex-end;gap:8px;padding:12px 20px;border-top:1px solid var(--border)}.dialog-textarea{font-family:var(--f-mono);font-size:13px;border:1px solid var(--border-2);border-radius:var(--radius-sm);padding:12px;resize:vertical;background:var(--surface-2);color:var(--ink);line-height:1.55}.dialog-textarea:focus{outline:none;border-color:var(--accent);background:var(--surface);box-shadow:0 0 0 3px #ff7aa826}.field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--ink-2);font-weight:500}.field input,.field select{padding:9px 12px;border:1px solid var(--border-2);border-radius:var(--radius-sm);font:inherit;font-size:14px;color:var(--ink);background:var(--surface-2);transition:border-color .2s,background .2s}.field input:focus,.field select:focus{outline:none;border-color:var(--accent);background:var(--surface);box-shadow:0 0 0 3px #ff7aa826}.dialog .hint{font-size:12px;color:var(--ink-3);line-height:1.55}.dialog .hint strong{color:var(--ink-2);font-weight:700}.settings-section{display:flex;flex-direction:column;gap:10px}.settings-section-title{font-size:13px;font-weight:700;color:var(--accent-deep);letter-spacing:.08em;text-transform:uppercase}.settings-divider{border:0;border-top:1px dashed var(--border-2);margin:6px 0}.settings-row{display:flex;justify-content:flex-end}.settings-clear{font-size:12px;padding:6px 12px}.field-row{flex-direction:row;align-items:center;gap:8px;cursor:pointer}.field-row input[type=checkbox]{width:16px;height:16px;margin:0;cursor:pointer;accent-color:var(--accent)}.btn-secondary{background:var(--surface);color:var(--ink);border:1px solid var(--border-2);border-radius:var(--radius-sm);padding:9px 16px;cursor:pointer;font:inherit;font-size:14px;font-weight:500;transition:background .15s,border-color .15s,transform .15s}.btn-secondary:hover:not(:disabled){background:var(--surface-2);border-color:var(--accent-2)}.btn-secondary:active:not(:disabled){transform:translateY(1px)}.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.model-switcher select{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 12px;font:inherit;font-size:14px;color:var(--ink);cursor:pointer;transition:border-color .2s,background .2s}.model-switcher select:hover:not(:disabled){border-color:var(--accent-2)}.model-switcher select:disabled{opacity:.55;cursor:not-allowed}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width: 1100px){.main-files{grid-template-columns:1fr}.files-pane,.viewer-pane{min-height:360px}}