@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/Inter-Regular.woff2) format("woff2")}@font-face{font-family:Inter;font-style:italic;font-weight:400;font-display:swap;src:url(/fonts/Inter-Italic.woff2) format("woff2")}@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/Inter-SemiBold.woff2) format("woff2")}@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/Inter-Bold.woff2) format("woff2")}@font-face{font-family:Roboto Mono;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/roboto-mono-latin-400-normal.woff2) format("woff2")}@font-face{font-family:Roboto Mono;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/roboto-mono-latin-700-normal.woff2) format("woff2")}:root{--white: #fff;--black: #000;--gray-20: #ececf1;--gray-50: #f7f7f8;--gray-100: #ececec;--gray-200: #e3e3e3;--gray-300: #cdcdcd;--gray-400: #999696;--gray-500: #595959;--gray-600: #424242;--gray-700: #2f2f2f;--gray-800: #212121;--gray-850: #171717;--gray-900: #0d0d0d;--green-100: #d1fae5;--green-500: #10b981;--green-700: #047857;--green-800: #065f46;--red-400: #f87171;--red-500: #ef4444;--red-600: #dc2626;--red-700: #b91c1c;--red-800: #991b1b;--amber-100: #fef3c7;--amber-500: #f59e0b;--amber-700: #b45309;--font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono: "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--text-primary: var(--gray-800);--text-secondary: var(--gray-600);--text-tertiary: var(--gray-500);--text-warning: var(--amber-700);--text-destructive: var(--red-600);--surface-primary: var(--white);--surface-primary-alt: var(--gray-50);--surface-secondary: var(--gray-50);--surface-tertiary: var(--gray-100);--surface-hover: var(--gray-200);--surface-active: var(--gray-100);--surface-active-alt: var(--gray-200);--surface-chat: var(--white);--surface-submit: var(--green-700);--surface-submit-hover: var(--green-800);--surface-destructive: var(--red-700);--surface-destructive-hover: var(--red-800);--border-light: var(--gray-200);--border-medium: var(--gray-300);--border-heavy: var(--gray-400);--code-block-bg: var(--gray-850);--code-block-header: var(--gray-700);--scrollbar-thumb: var(--gray-300)}.dark{--text-primary: var(--gray-100);--text-secondary: var(--gray-300);--text-tertiary: var(--gray-500);--text-warning: var(--amber-500);--text-destructive: var(--red-400);--surface-primary: var(--gray-800);--surface-primary-alt: var(--gray-850);--surface-secondary: var(--gray-800);--surface-tertiary: var(--gray-700);--surface-hover: var(--gray-600);--surface-active: var(--gray-700);--surface-active-alt: var(--gray-700);--surface-chat: var(--gray-700);--surface-submit: var(--green-700);--surface-submit-hover: var(--green-800);--surface-destructive: var(--red-800);--surface-destructive-hover: var(--red-700);--border-light: var(--gray-700);--border-medium: var(--gray-600);--border-heavy: var(--gray-500);--code-block-bg: var(--gray-900);--code-block-header: var(--gray-850);--scrollbar-thumb: var(--gray-600)}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{background:var(--surface-primary);color:var(--text-primary);font-family:var(--font-sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}#root{height:100dvh}h1,h2{margin:0;font-weight:600}button{font-family:inherit}*::-webkit-scrollbar{width:8px;height:8px}*::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:999px}*::-webkit-scrollbar-track{background:transparent}*{scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) transparent}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--border-light);border-radius:999px;background:var(--surface-primary);color:var(--text-primary);font-size:13px;font-weight:500;cursor:pointer;transition:background .12s ease,border-color .12s ease}.btn:hover:not(:disabled){background:var(--surface-tertiary)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--surface-submit);border-color:var(--surface-submit);color:#fff}.btn-primary:hover:not(:disabled){background:var(--surface-submit-hover);border-color:var(--surface-submit-hover)}.btn-danger{border-color:var(--border-light);color:var(--text-destructive)}.btn-danger:hover:not(:disabled){background:color-mix(in srgb,var(--red-500) 10%,transparent);border-color:var(--red-500)}.btn-block{width:100%;justify-content:center}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:13px;font-weight:500;color:var(--text-secondary)}.field input[type=text],.field input[type=password]{padding:10px 12px;border:1px solid var(--border-medium);border-radius:10px;background:var(--surface-primary);color:var(--text-primary);font-size:14px;font-family:inherit;outline:none;transition:border-color .12s ease}.field input:focus{border-color:var(--green-500)}.form-error{margin:0;padding:8px 12px;border:1px solid color-mix(in srgb,var(--red-500) 45%,transparent);border-radius:10px;background:color-mix(in srgb,var(--red-500) 10%,transparent);color:var(--text-destructive);font-size:13px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;padding:6px;border:none;border-radius:8px;background:transparent;color:var(--text-tertiary);cursor:pointer;transition:color .12s ease,background .12s ease}.icon-btn:hover:not(:disabled){background:var(--surface-hover);color:var(--text-primary)}.icon-btn:disabled{opacity:.4;cursor:not-allowed}.login-screen{display:flex;align-items:center;justify-content:center;min-height:100dvh;padding:24px;background:var(--surface-primary)}.login-card{display:flex;flex-direction:column;gap:16px;width:100%;max-width:380px}.login-title{font-size:30px;font-weight:600;text-align:center}.login-subtitle{margin:-6px 0 10px;text-align:center;color:var(--text-secondary);font-size:14px}.chat-shell{display:flex;height:100dvh;overflow:hidden;background:var(--surface-primary)}.sidebar-slot{flex-shrink:0;width:260px;overflow:hidden;transition:width .2s ease}.sidebar-slot.collapsed{width:0}.sidebar{display:flex;flex-direction:column;width:260px;height:100%;background:var(--surface-primary-alt);color:var(--text-primary);overflow:hidden}.sidebar-header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 10px 6px}.sidebar-brand{padding:0 6px;font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap}.new-chat-btn{display:flex;align-items:center;gap:10px;width:calc(100% - 16px);margin:4px 8px 6px;padding:9px 10px;border:none;border-radius:10px;background:transparent;color:var(--text-primary);font-size:13.5px;font-weight:500;text-align:left;white-space:nowrap;cursor:pointer;transition:background .12s ease}.new-chat-btn:hover{background:var(--surface-active-alt)}.conversation-list{flex:1;overflow-y:auto;overflow-x:hidden;padding:2px 8px 12px}.conversation-group-label{margin:14px 0 4px;padding:0 10px;color:var(--text-tertiary);font-size:11.5px;font-weight:600;white-space:nowrap}.sidebar-note{margin:8px 4px;padding:0 6px;color:var(--text-tertiary);font-size:12.5px}.conversation-item{position:relative;display:flex;align-items:center;margin:1px 0;border-radius:10px}.conversation-item:hover,.conversation-item.active{background:var(--surface-active-alt)}.conversation-select{flex:1;min-width:0;padding:8px 10px;border:none;border-radius:10px;background:transparent;color:inherit;font-size:13.5px;text-align:left;cursor:pointer;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.conversation-item .icon-btn{flex-shrink:0;margin-right:4px;visibility:hidden}.conversation-item:hover .icon-btn,.conversation-item.active .icon-btn{visibility:visible}.conversation-item 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var(--border-light);border-radius:999px;background:var(--surface-primary);color:var(--text-primary)}.assistant-content{flex:1;min-width:0;font-size:15px;line-height:1.65;overflow-wrap:break-word}.interrupted-badge{margin-top:6px;color:var(--text-tertiary);font-size:12px;font-style:italic}.prompt-badge{display:inline-flex;align-items:center;gap:4px;margin-bottom:4px;padding:1px 8px;border-radius:999px;background:color-mix(in srgb,var(--green-500) 18%,transparent);color:var(--green-500);font-size:11px;font-weight:600;letter-spacing:.01em}.tool-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border:1px solid var(--border-light);border-radius:999px;background:var(--surface-primary);color:var(--text-tertiary);font-size:12px}.message-row.tool{padding-left:42px}.tool-chip-active{border-style:dashed;animation:tool-pulse 1.2s ease-in-out infinite}@keyframes 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code{font-family:var(--font-mono);font-size:.85em}.markdown :not(pre)>code{padding:2px 6px;border-radius:6px;background:var(--surface-tertiary)}.markdown pre{margin:0 0 12px;padding:14px 16px;border-radius:12px;background:var(--code-block-bg);color:var(--gray-100);overflow-x:auto;font-size:13px;line-height:1.55}.markdown pre code{padding:0;background:transparent}.markdown table{display:block;width:max-content;max-width:100%;margin:0 0 12px;border-collapse:collapse;overflow-x:auto;font-size:13.5px}.markdown th,.markdown td{padding:7px 12px;border:1px solid var(--border-light);text-align:left;vertical-align:top}.markdown th{background:var(--surface-secondary);font-weight:600}.composer-bar{flex-shrink:0;padding:4px 20px calc(10px + env(safe-area-inset-bottom))}.chat-error{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:48rem;margin:0 auto 10px;padding:8px 12px;border:1px solid color-mix(in srgb,var(--red-500) 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