:root{color-scheme:light;--primary: #1769e0;--primary-strong: #0d4fae;--primary-soft: #eaf2ff;--primary-pale: #f5f8ff;--lao-gold: #f5c75c;--lao-gold-soft: #fff0bd;--success: #087f5b;--warning-bg: #fff8e8;--warning-border: #efd79e;--warning-text: #654a0d;--page: #ffffff;--surface: #ffffff;--surface-subtle: #f7f9fc;--surface-raised: #ffffff;--text: #172033;--text-secondary: #566277;--text-muted: #748096;--border: #dce4ef;--border-strong: #c8d4e4;--focus: #0a66d9;--shadow-sm: 0 3px 14px rgba(31, 54, 88, .07);--shadow-md: 0 16px 46px rgba(28, 54, 91, .14);--radius-sm: 10px;--radius-md: 16px;--radius-lg: 22px;--z-sticky: 20;--z-dialog: 40;--z-toast: 50;--ease: cubic-bezier(.22, 1, .36, 1);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans Lao,Noto Sans,Arial,sans-serif}*{box-sizing:border-box}html{min-height:100%;background:var(--page);scroll-behavior:smooth}body{min-height:100%;margin:0;color:var(--text);background:var(--page);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;-webkit-text-size-adjust:100%;text-size-adjust:100%}body.dialog-open{overflow:hidden}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{color:inherit;cursor:pointer}a{color:inherit}svg{display:block;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.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}.skip-link{position:fixed;top:8px;left:50%;z-index:var(--z-toast);min-height:44px;padding:10px 16px;color:#fff;background:var(--primary-strong);border-radius:var(--radius-sm);transform:translate(-50%,-150%);transition:transform .18s var(--ease)}.skip-link:focus{transform:translate(-50%)}:focus-visible{outline:3px solid rgba(10,102,217,.44);outline:3px solid color-mix(in srgb,var(--focus) 44%,transparent);outline-offset:3px}.page-stage{width:100%;min-height:100vh;min-height:100dvh}.app-shell{width:min(100%,480px);margin:0 auto;overflow:hidden;overflow:clip;background:var(--surface);box-shadow:var(--shadow-md)}.icon-button{display:inline-grid;place-items:center;width:44px;height:44px;padding:0;color:var(--text);background:transparent;border:0;border-radius:50%;transition:color .18s ease,background-color .18s ease,transform .18s ease}.icon-button:hover{color:var(--primary);background:var(--primary-soft)}.icon-button:active{transform:scale(.94)}.icon-button svg{width:24px;height:24px}main{padding:14px 12px 20px}.intro-card,.quick-card,.conversation-section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.intro-card{position:relative;display:flex;overflow:hidden;align-items:center;gap:13px;padding:18px 16px;color:#fff;background:radial-gradient(circle at 92% 8%,rgba(255,255,255,.22),transparent 9rem),linear-gradient(145deg,#1769e0,#1058c5 58%,#0b459c);border-color:transparent}.laos-landmark{position:absolute;right:-8px;bottom:1px;width:112px;color:var(--lao-gold-soft);opacity:.18;pointer-events:none}.laos-landmark svg{width:100%;height:auto;stroke-width:1.5}.assistant-avatar{position:relative;z-index:1;display:grid;flex:0 0 auto;place-items:center;width:48px;height:48px;color:#fff;background:#ffffff29;border:1px solid rgba(255,255,255,.25);border-radius:15px}.assistant-avatar svg{width:28px;height:28px}.intro-copy{position:relative;z-index:1;min-width:0}.intro-labels{display:flex;flex-wrap:wrap;align-items:center;gap:5px 8px;margin-bottom:4px}.lao-greeting{display:inline-flex;align-items:center;min-height:22px;padding:2px 8px;color:#604208;background:var(--lao-gold);border:1px solid rgba(255,255,255,.28);border-radius:999px;box-shadow:0 3px 8px #2e1e001f;font-size:11px;font-weight:750;line-height:1.35}.eyebrow,.section-kicker{display:block;font-size:10px;font-weight:750;letter-spacing:.07em;line-height:1.4;text-transform:uppercase}.eyebrow{margin-bottom:0;color:#ffffffc2}.intro-card h2{margin:0;font-size:clamp(16px,4.2vw,18px);font-weight:760;letter-spacing:-.025em;line-height:1.3}.intro-card p{margin:5px 0 0;color:#fffc;font-size:13px;line-height:1.55}.security-note{display:flex;align-items:flex-start;gap:8px;margin:10px 2px 0;padding:9px 11px;color:var(--warning-text);background:var(--warning-bg);border:1px solid var(--warning-border);border-radius:12px;font-size:12px;line-height:1.5}.security-note svg{flex:0 0 auto;width:18px;height:18px;margin-top:1px;color:#8b640e}.quick-card,.conversation-section{margin-top:12px}.quick-card{padding:17px 15px 14px}.section-heading,.conversation-heading,.dialog-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}.section-heading{margin-bottom:12px}.section-kicker{margin-bottom:2px;color:var(--primary)}.section-heading h2,.conversation-heading h2,.dialog-heading h2{margin:0;font-size:19px;font-weight:750;letter-spacing:-.015em;line-height:1.35}.text-button{display:inline-flex;min-height:44px;align-items:center;gap:5px;margin:-8px -7px -8px 0;padding:8px;color:var(--primary);background:transparent;border:0;border-radius:10px;font-size:13px;font-weight:650;transition:background-color .18s ease}.text-button:hover{background:var(--primary-soft)}.text-button svg{width:18px;height:18px}.text-button.is-spinning svg{transform:rotate(180deg);transition:transform .26s var(--ease)}.category-tabs{display:flex;gap:8px;padding:2px 0 8px;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity}.category-tabs::-webkit-scrollbar{display:none}.category-tab{flex:0 0 auto;min-height:44px;padding:0 15px;color:var(--text-secondary);background:var(--surface-subtle);border:1px solid var(--border);border-radius:999px;scroll-snap-align:start;font-size:13px;font-weight:650;transition:color .18s ease,background-color .18s ease,border-color .18s ease}.category-tab:hover{border-color:var(--border-strong)}.category-tab[aria-selected=true]{color:#fff;background:var(--primary);border-color:var(--primary)}.question-list{display:grid;gap:2px;margin-top:4px}.question-button{display:grid;grid-template-columns:minmax(0,1fr) 20px;min-height:48px;align-items:center;gap:10px;width:100%;padding:10px 5px;text-align:left;background:transparent;border:0;border-top:1px solid var(--border);border-radius:8px;font-size:12px;font-weight:560;line-height:1.45;transition:color .18s ease,background-color .18s ease}.question-button:first-child{border-top-color:transparent}.question-button:hover{color:var(--primary);background:var(--primary-pale)}.question-button:active{background:var(--primary-soft)}.question-button svg{width:19px;height:19px;color:var(--text-muted)}.question-empty{margin:10px 0 4px;color:var(--text-muted);font-size:14px;text-align:center}.conversation-section{padding:17px 15px 14px}.conversation-heading{align-items:center;padding-bottom:14px;border-bottom:1px solid var(--border)}.message-list{display:grid;gap:18px;padding:18px 0 8px}.message{display:flex;align-items:flex-start;gap:9px;scroll-margin-bottom:128px}.message-user{justify-content:flex-end}.message-avatar{display:grid;flex:0 0 auto;place-items:center;width:34px;height:34px;background:var(--primary-soft);border:1px solid var(--border);border:1px solid color-mix(in srgb,var(--primary) 16%,var(--border));border-radius:11px}.message-avatar 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li+li{margin-top:4px}.rich-text a{color:var(--primary);font-weight:700;text-decoration-thickness:1px;text-underline-offset:2px}.message-meta{display:flex;flex-wrap:wrap;align-items:center;gap:4px;margin:7px 0 0 2px;color:var(--text-muted);font-size:10px;line-height:1.45}.message-meta svg{width:13px;height:13px}.typing-bubble{display:flex;width:62px;min-height:42px;align-items:center;justify-content:center;gap:5px}.typing-bubble span{width:6px;height:6px;background:var(--text-muted);border-radius:50%;animation:typing .9s ease-in-out infinite}.typing-bubble span:nth-child(2){animation-delay:.12s}.typing-bubble span:nth-child(3){animation-delay:.24s}@keyframes typing{0%,60%,to{opacity:.35;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}.contact-strip{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:13px;padding:12px;background:var(--primary-pale);border:1px solid var(--border);border:1px solid color-mix(in srgb,var(--primary) 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var(--ease)}.toast.is-visible{opacity:1;transform:translate(-50%)}@media(min-width:700px){.page-stage{padding:28px 0}.app-shell{border:1px solid var(--border);border-radius:28px}}@media(max-width:359px){main{padding-right:8px;padding-left:8px}.intro-card{padding:16px 13px}.assistant-avatar{width:44px;height:44px}.contact-strip{align-items:flex-start;flex-direction:column}.contact-strip a{width:100%}}@media(max-height:500px)and (orientation:landscape){.intro-card{padding-top:13px;padding-bottom:13px}.security-note{margin-top:8px}.composer-bar{position:relative}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}