:root{--bg:#f5f5f0;--surface:#fff;--ink:#111;--ink-secondary:#3d3d3d;--muted:#6b6b6b;--light:#999;--faint:#c4c4c4;--line:#e2e0db;--line-subtle:#edecea;--accent:#1a56db;--accent-hover:#1648b8;--accent-light:#eef3ff;--accent-faint:rgba(26,86,219,.06);--radius:14px;--radius-sm:10px;--shadow-sm:0 1px 2px rgba(0,0,0,.04),0 1px 3px rgba(0,0,0,.03);--shadow-md:0 2px 8px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.04);--font-body:"DM Sans",system-ui,sans-serif;--font-display:"Fraunces",Georgia,serif}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;min-height:100dvh;color:var(--ink);font-family:var(--font-body);background:var(--bg);-webkit-font-smoothing:antialiased}
.topbar{background:rgba(255,255,255,.85);backdrop-filter:blur(16px) saturate(1.6);-webkit-backdrop-filter:blur(16px) saturate(1.6);border-bottom:1px solid var(--line-subtle);position:sticky;top:0;z-index:100}
.topbar-inner{width:min(820px,calc(100vw - 2rem));margin:0 auto;padding:.55rem 0;display:flex;align-items:center;gap:1.25rem}
.brand{margin:0;font-weight:700;font-size:.92rem;letter-spacing:-.02em;color:var(--ink);white-space:nowrap;flex-shrink:0;text-decoration:none;display:flex;align-items:center;gap:.45rem}
.brand-icon{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:7px;background:var(--ink);color:#fff}
.brand-icon svg{width:16px;height:16px}
.topbar-search{flex:1;max-width:480px;margin:0 auto}
.search-wrapper{display:flex;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);transition:border-color .15s,box-shadow .15s,background .15s}
.search-wrapper:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-faint);background:var(--surface)}
.search-icon{width:15px;height:15px;color:var(--faint);margin-left:.65rem;flex-shrink:0}
#query-input{width:100%;border:none;background:transparent;padding:.5rem;font-size:.84rem;font-family:var(--font-body);font-weight:500;color:var(--ink);outline:none}
#query-input::placeholder{color:var(--faint);font-weight:400}
#ask-btn{border:none;border-radius:0 9px 9px 0;background:var(--accent);color:#fff;font-size:0;min-width:44px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .12s,transform .1s}
#ask-btn:hover{background:var(--accent-hover)}
#ask-btn:active{transform:scale(.96)}
#ask-btn:disabled{background:#93aed4;cursor:not-allowed}
.page{width:min(820px,calc(100vw - 2rem));margin:0 auto;padding-bottom:1rem}
.hero{text-align:center;padding:3.5rem 1rem 2.5rem}
.hero-eyebrow{margin:0 0 .6rem;font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--accent)}
.hero h1{margin:0;font-family:var(--font-display);font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:600;line-height:1.2;color:var(--ink);letter-spacing:-.02em}
.hero-sub{margin:.75rem auto 0;max-width:440px;color:var(--muted);font-size:.88rem;line-height:1.5}
.chip-row{margin-top:1.5rem;display:flex;justify-content:center;flex-wrap:wrap;gap:.45rem}
.chip{border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);font-size:.73rem;font-weight:500;font-family:var(--font-body);white-space:nowrap;padding:.38rem .8rem;cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:.35rem;box-shadow:var(--shadow-sm)}
.chip svg{opacity:.45;flex-shrink:0;transition:opacity .15s}
.chip:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light);box-shadow:0 2px 8px rgba(26,86,219,.08);transform:translateY(-1px)}
.chip:hover svg{opacity:.8}
.result-card{margin-top:1rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;animation:cardIn .4s cubic-bezier(.16,1,.3,1) both;box-shadow:var(--shadow-md)}
.hidden{display:none}
.answer-panel{padding:2rem 1.75rem;text-align:center;border-bottom:1px solid var(--line-subtle);background:radial-gradient(ellipse 80% 50% at 50% -20%,var(--accent-faint) 0%,transparent 100%)}
.answer-panel-inner{max-width:520px;margin:0 auto}
.status{margin:0;color:var(--light);font-size:.6rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.question{margin:.35rem 0 0;color:var(--muted);font-size:.82rem;font-style:italic}
.answer-value{margin:.8rem 0 .2rem;font-family:var(--font-body);font-size:clamp(2.8rem,7vw,4.2rem);font-weight:700;line-height:1;color:var(--ink);letter-spacing:-.03em}
.answer-unit{font-size:.36em;font-weight:500;color:var(--muted);margin-left:.1em;vertical-align:super}
.answer{margin:.6rem 0 0;font-family:var(--font-display);font-size:1.02rem;font-weight:500;line-height:1.45;color:var(--ink-secondary);font-style:italic}
.meta{margin:.5rem 0 0;color:var(--light);font-size:.72rem;font-weight:500}
.viz-grid{padding:1rem 1.25rem;display:grid;grid-template-columns:1.7fr 1fr;gap:.75rem}
.chart-wrap,.table-wrap{border:1px solid var(--line-subtle);border-radius:var(--radius-sm);background:var(--surface)}
.chart-wrap{padding:0;min-height:360px;display:flex;flex-direction:column;overflow:hidden;position:relative;box-shadow:var(--shadow-sm);transition:box-shadow .3s}
.chart-wrap:hover{box-shadow:0 4px 16px rgba(0,0,0,.06),0 12px 32px rgba(0,0,0,.05)}
.chart-header{display:flex;justify-content:space-between;align-items:center;padding:.85rem 1rem .35rem}
.chart-label{font-size:.66rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-secondary);display:flex;align-items:center;gap:.4rem}
.chart-label::before{content:"";display:inline-block;width:7px;height:7px;border-radius:2px;background:var(--chart-accent,var(--accent));flex-shrink:0;box-shadow:0 0 5px var(--chart-accent,var(--accent))}
.chart-range{font-size:.58rem;font-weight:600;color:var(--muted);letter-spacing:.02em;background:var(--bg);padding:.2rem .55rem;border-radius:4px;border:1px solid var(--line-subtle)}
.chart-canvas-container{flex:1;position:relative;padding:.15rem .85rem .4rem .35rem;min-height:0}
.chart-canvas-container canvas{width:100%!important;height:100%!important}
.chart-tooltip{position:absolute;z-index:50;pointer-events:none;opacity:0;background:rgba(255,255,255,.96);backdrop-filter:blur(18px) saturate(1.6);-webkit-backdrop-filter:blur(18px) saturate(1.6);border:1px solid rgba(0,0,0,.05);border-radius:12px;padding:.55rem .85rem;box-shadow:0 6px 24px rgba(0,0,0,.08),0 2px 6px rgba(0,0,0,.04);transition:opacity .15s;white-space:nowrap;min-width:120px}
.tooltip-date{font-size:.6rem;font-weight:500;color:var(--light);margin-bottom:.15rem}
.tooltip-value{display:flex;align-items:baseline;gap:.2rem}
.tooltip-num{font-size:1.1rem;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.tooltip-unit{font-size:.65rem;font-weight:500;color:var(--muted)}
.tooltip-badge{font-size:.5rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:.1rem .32rem;border-radius:3px;margin-left:.3rem;line-height:1;position:relative;top:-1px}
.tooltip-badge--max{background:rgba(239,68,68,.1);color:#dc2626}
.tooltip-badge--min{background:rgba(59,130,246,.1);color:#2563eb}
.chart-stats{display:flex;gap:0;padding:0 1rem .85rem;border-top:1px solid var(--line-subtle);margin-top:.1rem;padding-top:.6rem}
.chart-stat{display:flex;align-items:center;gap:.3rem;font-size:.65rem;color:var(--muted);font-weight:500;padding:.15rem .65rem;border-right:1px solid var(--line-subtle);font-variant-numeric:tabular-nums}
.chart-stat:first-child{padding-left:0}
.chart-stat:last-child{border-right:none}
.chart-stat-label{color:var(--light);font-weight:500}
.chart-stat-dot{width:5px;height:5px;border-radius:50%;flex-shrink:0}
.chart-stat-dot--max{background:#ef4444;box-shadow:0 0 3px rgba(239,68,68,.35)}
.chart-stat-dot--min{background:#3b82f6;box-shadow:0 0 3px rgba(59,130,246,.35)}
.chart-stat-dot--avg{background:var(--faint)}
.chart-stat strong{font-weight:700;color:var(--ink-secondary);margin-left:.05rem}
.chart-stat--trend{margin-left:auto;border-right:none;padding-right:0;gap:.15rem}
.trend-arrow{font-size:.78rem;line-height:1}
.trend--up .trend-arrow,.trend--up strong{color:#059669}
.trend--down .trend-arrow,.trend--down strong{color:#dc2626}
.trend--flat .trend-arrow{color:var(--faint)}
.trend--flat strong{color:var(--muted)}
.table-wrap{padding:0;overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.table-header{padding:.75rem .85rem .4rem;border-bottom:1px solid var(--line-subtle)}
.table-title{font-size:.66rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-secondary)}
.table-scroll{flex:1;overflow-y:auto;max-height:310px;scrollbar-width:thin;scrollbar-color:var(--line) transparent}
.table-scroll::-webkit-scrollbar{width:4px}
.table-scroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:2px}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;font-size:.72rem;padding:.42rem .85rem}
th{color:var(--light);font-weight:600;background:var(--bg);border-bottom:1px solid var(--line-subtle);position:sticky;top:0;z-index:1;font-size:.62rem;text-transform:uppercase;letter-spacing:.06em}
td{border-bottom:1px solid var(--line-subtle);color:var(--ink-secondary);font-variant-numeric:tabular-nums;font-weight:500}
td:last-child{font-weight:600;color:var(--ink)}
tbody tr:last-child td{border-bottom:none}
tbody tr{transition:background .1s}
tbody tr:hover{background:var(--accent-faint)}
.notes{margin:0;padding:.6rem 1.25rem .6rem 2.25rem;color:var(--light);font-size:.7rem;list-style:disc;border-top:1px solid var(--line-subtle)}
.notes:empty{display:none}
.recent-section{margin-top:2rem}
.recent-title{margin:0 0 .6rem;font-size:.62rem;font-weight:700;color:var(--light);text-transform:uppercase;letter-spacing:.1em}
.recent-chips{display:flex;flex-wrap:wrap;gap:.35rem}
.recent-chip{background:var(--surface);border:1px solid var(--line-subtle);border-radius:999px;padding:.32rem .7rem;font-size:.72rem;font-weight:500;font-family:var(--font-body);color:var(--muted);cursor:pointer;transition:all .15s;box-shadow:var(--shadow-sm);white-space:nowrap;max-width:260px;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center;gap:.3rem}
.recent-chip::before{content:"";display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--faint);flex-shrink:0}
.recent-chip:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light);box-shadow:0 2px 8px rgba(26,86,219,.08);transform:translateY(-1px)}
.recent-chip:hover::before{background:var(--accent)}
.footer{border-top:1px solid var(--line-subtle);padding:1.25rem 1rem;text-align:center}
.footer p{margin:0;font-size:.7rem;color:var(--light)}
.footer a{color:var(--muted);text-decoration:underline;text-underline-offset:2px;transition:color .12s}
.footer a:hover{color:var(--accent)}
@keyframes cardIn{from{opacity:0;transform:translateY(12px) scale(.99)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.answer.loading{animation:pulse 1.4s ease-in-out infinite}
.answer-value.loading{animation:pulse 1.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
@media(max-width:840px){.viz-grid{grid-template-columns:1fr}.table-scroll{max-height:240px}}
@media(max-width:720px){.topbar-inner{flex-direction:column;gap:.4rem;align-items:stretch}.topbar-search{max-width:none}.hero{padding:2.5rem 1rem 2rem}.chip-row{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:thin;padding-bottom:.2rem;-webkit-overflow-scrolling:touch}.chart-stats{flex-wrap:wrap;gap:.2rem}.chart-stat{border-right:none;padding:.12rem .45rem}.answer-panel{padding:1.5rem 1.25rem}}
.temp-range-summary{display:inline-block;margin-left:.6rem;font-size:.36em;font-weight:600;color:var(--muted);vertical-align:middle;letter-spacing:-.01em}
.temp-hi{color:#dc2626}
.temp-lo{color:#2563eb}
.temp-cell--high{color:#b91c1c!important}
.temp-cell--low{color:#1d4ed8!important}
.tooltip-range{font-size:.72rem;font-weight:600;margin-top:.1rem;color:var(--muted)}
.confidence-badge{display:inline-flex;align-items:center;gap:.25rem;font-size:.58rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:.15rem .45rem;border-radius:999px;margin-left:.4rem;vertical-align:middle;cursor:default;line-height:1;position:relative;top:-1px}
.confidence-badge::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;flex-shrink:0}
.confidence-badge--high{background:rgba(5,150,105,.08);color:#059669}.confidence-badge--high::before{background:#10b981;box-shadow:0 0 4px rgba(16,185,129,.4)}
.confidence-badge--medium{background:rgba(245,158,11,.08);color:#d97706}.confidence-badge--medium::before{background:#f59e0b;box-shadow:0 0 4px rgba(245,158,11,.4)}
.confidence-badge--low{background:rgba(239,68,68,.08);color:#dc2626}.confidence-badge--low::before{background:#ef4444;box-shadow:0 0 4px rgba(239,68,68,.4)}