@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--radius-sm:.25rem;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.contents{display:contents}.flex{display:flex}.table{display:table}.h-full{height:100%}.min-h-full{min-height:100%}.flex-col{flex-direction:column}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}}:root{--bg-primary:#f5f7fa;--bg-chat:#fff;--bg-user:#e8f4fd;--bg-assistant:#f0f4f8;--text-primary:#1a1a2e;--text-secondary:#4a5568;--text-muted:#8896a6;--accent:#2563eb;--accent-light:#3b82f6;--risk-red:#dc2626;--risk-bg:#fef2f2;--risk-border:#fecaca;--border:#e2e8f0;--shadow:0 1px 3px #00000014;--shadow-lg:0 4px 16px #0000001a;--radius:12px;--radius-sm:8px;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--safe-bottom:env(safe-area-inset-bottom,0px);--safe-top:env(safe-area-inset-top,0px)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent;line-height:1.6}.chat-container{background:var(--bg-chat);width:100%;max-width:800px;min-height:100dvh;box-shadow:var(--shadow-lg);flex-direction:column;margin:0 auto;display:flex}@media (min-width:768px){.chat-container{border-radius:var(--radius);min-height:calc(100dvh - 32px);max-height:calc(100dvh - 32px);margin:16px auto}}@media (max-width:767px){.chat-container{padding-top:var(--safe-top);padding-bottom:var(--safe-bottom)}}.chat-header{border-bottom:1px solid var(--border);border-radius:inherit;z-index:10;background:#fff;flex-shrink:0;justify-content:space-between;align-items:center;gap:8px;padding:16px 20px;display:flex;position:sticky;top:0}.header-left{flex-shrink:1;align-items:center;gap:12px;min-width:0;display:flex}.header-icon{flex-shrink:0;font-size:28px}.header-info{min-width:0}.header-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:18px;font-weight:700;overflow:hidden}.header-subtitle{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:12px;overflow:hidden}.header-right{flex-shrink:0;align-items:center;gap:8px;display:flex}.header-badge{color:var(--accent);white-space:nowrap;background:#eef2ff;border:1px solid #c7d2fe;border-radius:12px;flex-shrink:0;padding:4px 10px;font-size:11px;font-weight:600}.model-selector{border:1px solid var(--border);color:var(--text-secondary);font-size:11px;font-family:var(--font-sans);cursor:pointer;background:#fff;border-radius:12px;outline:none;max-width:110px;padding:4px 8px;font-weight:500;transition:border-color .2s}.model-selector:focus{border-color:var(--accent)}.model-selector:disabled{opacity:.5;cursor:not-allowed}.voice-selector{color:#92400e;background:#fef9ee;border-color:#fde68a;max-width:90px}.auto-tts-btn{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;padding:0;font-size:14px;line-height:1;transition:all .2s;display:inline-flex}.auto-tts-btn.on{border-color:var(--accent);background:#eef2ff}.auto-tts-btn.off{opacity:.6;background:#f1f1f1}@media (max-width:767px){.chat-header{flex-wrap:wrap;gap:6px;padding:10px 12px 8px}.header-left{gap:8px;width:100%}.header-icon{font-size:22px}.header-title{font-size:15px}.header-subtitle{display:none}.header-right{justify-content:flex-start;gap:6px;width:100%;padding-left:30px}.model-selector{max-width:90px;padding:3px 8px;font-size:10px}.voice-selector{max-width:80px;padding:3px 8px;font-size:10px}.auto-tts-btn{width:26px;height:26px;font-size:12px}.header-badge{margin-left:auto;padding:2px 8px;font-size:10px}}@media (max-width:380px){.chat-header{padding:10px 8px}.header-icon{font-size:20px}.header-title{font-size:14px}.model-selector{max-width:65px;padding:2px 4px;font-size:9px}.voice-selector{max-width:60px;padding:2px 4px;font-size:9px}.header-badge{padding:1px 6px;font-size:9px}}.messages-area{scroll-behavior:smooth;-webkit-overflow-scrolling:touch;flex-direction:column;flex:1;gap:16px;padding:20px;display:flex;overflow:hidden auto}@media (max-width:767px){.messages-area{gap:12px;padding:12px}}.message-row{gap:10px;max-width:100%;display:flex}.message-row.user{flex-direction:row-reverse}.message-avatar{background:var(--bg-primary);-webkit-user-select:none;user-select:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;display:flex}@media (max-width:767px){.message-avatar{width:32px;height:32px;font-size:16px}}.message-bubble{border-radius:var(--radius);word-break:break-word;overflow-wrap:break-word;min-width:60px;max-width:80%;padding:12px 16px;font-size:14px;line-height:1.7}@media (min-width:768px){.message-bubble{max-width:75%}}@media (max-width:767px){.message-bubble{max-width:88%;padding:10px 14px;font-size:14px}}.message-row.assistant .message-bubble{background:var(--bg-assistant);border:1px solid var(--border)}.message-row.user .message-bubble{background:var(--bg-user);border:1px solid #bee3f8}.message-content p{margin-bottom:6px}.message-content p:last-child{margin-bottom:0}.streaming-cursor{color:var(--accent);margin-left:2px;font-weight:700;animation:.8s step-end infinite blink;display:inline-block}@keyframes blink{50%{opacity:0}}.loading-dots{gap:4px;padding:4px 0;font-size:24px;display:flex}.loading-dots span{color:var(--text-muted);animation:1.4s ease-in-out infinite dot-bounce}.loading-dots span:nth-child(2){animation-delay:.2s}.loading-dots span:nth-child(3){animation-delay:.4s}@keyframes dot-bounce{0%,80%,to{opacity:.4;transform:translateY(0)}40%{opacity:1;transform:translateY(-6px)}}.risk-banner{background:var(--risk-bg);border:1px solid var(--risk-border);border-left:4px solid var(--risk-red);color:var(--risk-red);border-radius:var(--radius-sm);margin-bottom:12px;padding:10px 14px;font-size:13px;font-weight:600;line-height:1.6}@media (max-width:767px){.risk-banner{padding:8px 12px;font-size:12px}}.message-toolbar{border-top:1px solid var(--border);gap:6px;margin-top:8px;padding-top:6px;display:flex}.tts-btn{border:1px solid var(--border);cursor:pointer;touch-action:manipulation;background:#fff;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;padding:0;font-size:13px;line-height:1;transition:all .2s;display:inline-flex}.tts-btn:hover{border-color:var(--accent);background:#eef2ff}.tts-btn.playing{border-color:var(--risk-red);background:var(--risk-bg);animation:1.2s ease-in-out infinite tts-pulse}.tts-btn.loading{opacity:.6;cursor:wait}@keyframes tts-pulse{0%,to{box-shadow:0 0 #dc26264d}50%{box-shadow:0 0 0 6px #dc262600}}.citations-section{border-top:1px solid var(--border);margin-top:12px;padding-top:10px}.citations-title{color:var(--text-muted);margin-bottom:6px;font-size:12px;font-weight:600}.citation-item{color:var(--text-secondary);flex-wrap:wrap;gap:4px;padding:3px 0;font-size:12px;display:flex}.citation-law{font-weight:600}.citation-article{color:var(--accent);margin-left:4px}.citation-line{color:var(--text-secondary);border-radius:var(--radius-sm);border-left:3px solid var(--accent);background:#f8fafc;margin-top:8px;padding:8px 12px;font-size:13px}@media (max-width:767px){.citation-line{padding:6px 10px;font-size:12px}}.disclaimer-line{color:var(--text-muted);opacity:.7;border-top:1px solid var(--border);margin-top:8px;padding-top:6px;font-size:11px}.quick-questions{border-top:1px solid var(--border);background:#fff;flex-shrink:0;gap:8px;padding:12px 20px;display:flex}@media (min-width:768px){.quick-questions{flex-wrap:wrap}}@media (max-width:767px){.quick-questions{-webkit-overflow-scrolling:touch;scrollbar-width:none;scroll-snap-type:x proximity;flex-wrap:nowrap;gap:6px;padding:10px 12px;overflow:auto hidden}.quick-questions::-webkit-scrollbar{display:none}.quick-questions:after{content:"";flex-shrink:0;width:8px}}.quick-btn{border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;white-space:nowrap;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation;background:#fff;border-radius:20px;flex-shrink:0;justify-content:center;align-items:center;gap:4px;padding:8px 16px;font-size:13px;font-weight:500;transition:all .2s;display:flex}@media (min-width:768px){.quick-btn{flex:1;min-width:100px}}.quick-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent);background:#eef2ff}.quick-btn:active:not(:disabled){transform:scale(.96)}.quick-btn:disabled{opacity:.5;cursor:not-allowed}.quick-btn.risk:hover:not(:disabled){border-color:var(--risk-red);color:var(--risk-red);background:var(--risk-bg)}.risk-icon{font-size:14px}@media (max-width:767px){.quick-btn{scroll-snap-align:start;padding:7px 12px;font-size:12px}}.message-content h2{color:var(--text-primary);margin-top:14px;margin-bottom:6px;font-size:15px;font-weight:600}.message-content h3{color:var(--text-primary);margin-top:10px;margin-bottom:4px;font-size:14px;font-weight:600}.message-content ul,.message-content ol{margin:8px 0;padding-left:20px}.message-content li{color:var(--text-secondary);font-size:13px;line-height:1.6}.message-content p{color:var(--text-secondary);margin-bottom:6px;font-size:13px;line-height:1.6}.message-content strong{color:var(--text-primary);font-weight:600}.message-content code{background:#f1f5f9;border-radius:4px;padding:2px 6px;font-size:12px}.message-content pre{background:#f8fafc;border-radius:8px;margin:8px 0;padding:12px;font-size:12px;overflow-x:auto}.message-content pre code{background:0 0;padding:0}.md-table-wrapper{margin:8px 0;overflow-x:auto}.md-table-wrapper table{border-collapse:collapse;width:100%;font-size:13px}.md-table-wrapper th,.md-table-wrapper td{border:1px solid var(--border);text-align:left;padding:6px 10px}.md-table-wrapper th{color:var(--text-primary);background:#f8fafc;font-weight:600}.md-table-wrapper td{color:var(--text-secondary)}.input-area{border-top:1px solid var(--border);border-radius:inherit;background:#fff;flex-shrink:0;gap:8px;padding:12px 20px 16px;display:flex}@media (max-width:767px){.input-area{padding:10px 12px;padding-bottom:calc(10px + var(--safe-bottom));gap:6px}}.chat-input{border:1px solid var(--border);min-width:0;font-size:14px;font-family:var(--font-sans);appearance:none;border-radius:24px;outline:none;flex:1;padding:10px 16px;transition:border-color .2s,box-shadow .2s}.chat-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1a}.chat-input:disabled{cursor:not-allowed;background:#f8fafc}@media (max-width:767px){.chat-input{border-radius:22px;padding:11px 14px;font-size:16px}}.send-btn{background:var(--accent);color:#fff;cursor:pointer;white-space:nowrap;touch-action:manipulation;-webkit-user-select:none;user-select:none;border:none;border-radius:24px;flex-shrink:0;padding:10px 20px;font-size:14px;font-weight:600;transition:all .2s}.send-btn:hover:not(:disabled){background:var(--accent-light);transform:translateY(-1px)}.send-btn:active:not(:disabled){transform:scale(.96)}.send-btn:disabled{cursor:not-allowed;background:#94a3b8;transform:none}@media (max-width:767px){.send-btn{border-radius:50%;justify-content:center;align-items:center;width:42px;height:42px;padding:0;font-size:0;display:flex}.send-btn:before{content:"↑";font-size:18px;font-weight:700;line-height:1}.send-btn:disabled:before{opacity:.6}}.usage-info{flex-shrink:0;justify-content:center;padding:4px 20px 8px;display:flex}.usage-label{color:var(--text-muted);opacity:.6;font-size:10px}.usage-cache{color:var(--accent)}@media (min-width:768px){.messages-area::-webkit-scrollbar{width:6px}.messages-area::-webkit-scrollbar-track{background:0 0}.messages-area::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}.messages-area::-webkit-scrollbar-thumb:hover{background:#9ca3af}}