:root{--color-bg: #f4f6fb;--color-surface: #ffffff;--color-surface-muted: #f8f9fc;--color-border: #e4e7ee;--color-border-strong: #d3d8e3;--color-text: #1a1d29;--color-text-muted: #667085;--color-text-faint: #98a1b3;--color-primary: #4f46e5;--color-primary-dark: #4338ca;--color-primary-light: #eef0fe;--color-primary-contrast: #ffffff;--color-success: #16a34a;--color-success-bg: #dcfce7;--color-danger: #dc2626;--color-danger-bg: #fee2e2;--color-info: #0284c7;--color-info-bg: #e0f2fe;--color-warning: #b45309;--color-warning-bg: #fef3c7;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 999px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow-md: 0 4px 12px rgba(16, 24, 40, .08);--shadow-lg: 0 12px 32px rgba(16, 24, 40, .12);--font-sans: "Segoe UI", -apple-system, BlinkMacSystemFont, "Inter", Roboto, Helvetica, Arial, sans-serif;--font-mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, 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641px){.app-shell__body--widget-docked{padding-right:420px}}.app-shell__inner{width:100%;max-width:980px;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px}.brand{display:flex;align-items:center;gap:10px}.brand__mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#4f46e5,#7c3aed);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;box-shadow:var(--shadow-sm)}.brand__text{display:flex;flex-direction:column;line-height:1.2}.brand__title{font-weight:700;font-size:15px;color:var(--color-text)}.brand__subtitle{font-size:12px;color:var(--color-text-muted)}.user-chip{display:flex;align-items:center;gap:8px}.user-chip__avatar{width:28px;height:28px;border-radius:50%;background:var(--color-primary-light);color:var(--color-primary-dark);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.user-chip__name{font-weight:600;font-size:14px}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 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pre{margin:0;padding:12px;background:#1a1d29;color:#d4d7e2;font-family:var(--font-mono);font-size:12.5px;overflow-x:auto;border-top:1px solid var(--color-border)}.typing{display:flex;align-items:center;gap:4px;padding:4px 2px}.typing span{width:6px;height:6px;border-radius:50%;background:var(--color-text-faint);animation:typing-bounce 1.2s infinite ease-in-out}.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}@keyframes typing-bounce{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-4px);opacity:1}}.composer{display:flex;gap:10px;padding:14px;border-top:1px solid var(--color-border);background:var(--color-surface)}.composer input{flex:1;padding:12px 14px;border-radius:var(--radius-md);border:1px solid var(--color-border-strong);font-size:14px;background:var(--color-surface-muted);color:var(--color-text);transition:border-color .15s ease,box-shadow .15s ease}.composer 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var(--color-border);border-radius:var(--radius-md);padding:14px 16px;box-shadow:var(--shadow-sm);transition:box-shadow .15s ease,transform .15s ease}.audit-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.audit-card__top{display:flex;align-items:center;gap:10px;margin-bottom:6px;flex-wrap:wrap}.audit-card__role{font-weight:700;font-size:13px}.audit-card__time{color:var(--color-text-faint);font-size:12px}.audit-card__route{margin-left:auto;color:var(--color-text-muted);font-size:12px;font-family:var(--font-mono);background:var(--color-surface-muted);padding:2px 8px;border-radius:var(--radius-sm)}.audit-card__question{color:var(--color-text);font-size:14px;line-height:1.5}.empty-state,.loading-state{text-align:center;padding:60px 20px;color:var(--color-text-faint);background:var(--color-surface);border:1px dashed var(--color-border-strong);border-radius:var(--radius-lg)}.spinner{width:22px;height:22px;border-radius:50%;border:2px solid 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20px;border-radius:var(--radius-md);border:none;background:var(--color-primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:background .15s ease,transform .1s ease}.login-card__button:hover{background:var(--color-primary-dark)}.login-card__button:active{transform:scale(.98)}.login-card__footnote{margin-top:20px;font-size:12px;color:var(--color-text-faint)}.chat-fab{position:fixed;right:24px;bottom:24px;width:56px;height:56px;border-radius:50%;border:none;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-lg);z-index:60;transition:transform .15s ease}.chat-fab:hover{transform:scale(1.06)}.chat-widget__backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#1a1d2973;z-index:70}.chat-widget{position:fixed;display:flex;flex-direction:column;background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;z-index:75}.chat-widget--bubble{right:24px;bottom:24px;width:380px;height:600px;max-height:calc(100vh - 48px)}.chat-widget--full{left:50%;top:50%;transform:translate(-50%,-50%);width:min(920px,calc(100vw - 48px));height:min(720px,calc(100vh - 48px))}.widget-header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:linear-gradient(90deg,#4f46e5,#6366f1);color:#fff;flex-shrink:0}.widget-header__title{font-size:14px;font-weight:700;display:flex;align-items:center}.widget-header__actions{display:flex;align-items:center;gap:4px}.widget-header__btn{width:26px;height:26px;border-radius:var(--radius-sm);border:none;background:#ffffff26;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s ease}.widget-header__btn:hover{background:#ffffff47}.chat-widget .chat-panel{flex:1;min-height:0;border:none;border-radius:0;box-shadow:none}.chat-widget .chat-scroll{min-height:0;max-height:none}@media (max-width: 640px){.chat-widget--bubble,.chat-widget--full{left:0;top:0;right:0;bottom:0;width:auto;height:auto;transform:none;border-radius:0}}.showcase{display:flex;flex-direction:column;gap:28px;padding-bottom:40px}.showcase__hero{max-width:640px}.showcase__hero .page-header__title{font-size:26px;margin-bottom:8px}.showcase__layers{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}@media (max-width: 720px){.showcase__layers{grid-template-columns:1fr}}.layer-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:4px 16px;box-shadow:var(--shadow-sm)}.layer-card summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:10px;padding:12px 0}.layer-card summary::-webkit-details-marker{display:none}.layer-card__icon{width:34px;height:34px;border-radius:10px;background:var(--color-primary-light);color:var(--color-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.layer-card__title{font-weight:700;font-size:14px}.layer-card__desc{margin:0 0 10px;font-size:13px;color:var(--color-text-muted);line-height:1.5}.layer-card__detail{margin:0 0 14px;padding-top:10px;border-top:1px solid var(--color-border);font-size:12.5px;color:var(--color-text-faint);line-height:1.5}.try-it{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:20px}.try-it__roles{display:flex;gap:6px;margin-bottom:14px;flex-wrap:wrap}.try-it__role-tab{padding:6px 14px;border-radius:var(--radius-full);border:1px solid var(--color-border-strong);background:var(--color-surface);color:var(--color-text-muted);font-size:13px;font-weight:600;cursor:pointer;transition:all .15s ease}.try-it__role-tab:hover:not(:disabled){background:var(--color-surface-muted)}.try-it__role-tab--active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.try-it__role-tab--disabled{opacity:.45;cursor:not-allowed}.try-it__questions{display:flex;flex-direction:column;gap:8px}.question-chip{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:12px 14px;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-surface-muted);color:var(--color-text);font-size:13.5px;text-align:left;cursor:pointer;transition:all .15s ease}.question-chip:hover{border-color:var(--color-primary);background:var(--color-primary-light)}.question-chip__text{flex:1}.question-chip__meta{flex-shrink:0}.audit-teaser{font-size:13px;color:var(--color-text-muted)}.audit-teaser--disabled{color:var(--color-text-faint)}