/* CRYOWATCH — meteorological operations console
   Dark, instrument-like, NWS-aligned severity colours. */

:root{
  --bg:#070b18;
  --bg-2:#0c1326;
  --panel:#111a31;
  --panel-2:#16223f;
  --line:#1f2c4d;
  --ink:#e8eefc;
  --ink-dim:#9fb0d4;
  --ink-faint:#6b7da6;
  --cyan:#52e0ff;
  --accent:#6ad7ff;

  /* NWS-aligned severity colours */
  --sev-none:#2bbf7a;
  --sev-advisory:#b9a0ff;   /* lavender */
  --sev-watch:#3d7bff;      /* blue */
  --sev-warning:#ff5fa2;    /* pink — Winter Storm Warning */
  --sev-ice:#a06bff;
  --sev-blizzard:#ff6a3d;   /* orange-red */
  --sev-cold:#37c8ff;       /* cyan — extreme cold */

  --radius:16px;
  --shadow:0 10px 40px rgba(0,0,0,.45);
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:
    radial-gradient(1200px 600px at 80% -10%, #14224a 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 10%, #0e2740 0%, transparent 55%),
    var(--bg);
  color:var(--ink);font-family:var(--sans);line-height:1.45;
  min-height:100dvh;
}

a{color:var(--accent)}
.skip-link{position:absolute;left:-999px;top:0;background:var(--panel);color:var(--ink);
  padding:.6rem 1rem;border-radius:0 0 8px 0;z-index:50}
.skip-link:focus{left:0}

/* Topbar */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.85rem clamp(1rem,4vw,2rem);position:sticky;top:0;z-index:30;
  background:linear-gradient(var(--bg),rgba(7,11,24,.7));backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;letter-spacing:.12em;font-size:1.05rem}
.brand-mark{width:26px;height:26px;color:var(--cyan)}
.brand-accent{color:var(--cyan)}
.topbar-actions{display:flex;gap:.5rem}
.chip{background:var(--panel);color:var(--ink);border:1px solid var(--line);
  padding:.5rem .8rem;border-radius:999px;font-size:.82rem;cursor:pointer;
  font-family:var(--mono);transition:border-color .15s,background .15s}
.chip:hover{border-color:var(--cyan)}
.chip:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* Layout */
main{max-width:920px;margin:0 auto;padding:clamp(1rem,4vw,1.75rem);
  display:flex;flex-direction:column;gap:1.1rem}

/* Search */
.search{position:relative;display:flex;gap:.5rem}
.search-input{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:.8rem 1rem;color:var(--ink);font-size:1rem}
.search-input:focus{outline:none;border-color:var(--cyan)}
.search-btn{background:var(--panel-2);border:1px solid var(--line);border-radius:12px;
  color:var(--ink);padding:0 1.1rem;cursor:pointer;font-weight:600}
.search-btn:hover{border-color:var(--cyan)}
.search-results{position:absolute;top:calc(100% + 6px);left:0;right:0;margin:0;padding:.3rem;
  list-style:none;background:var(--panel);border:1px solid var(--line);border-radius:12px;
  z-index:20;box-shadow:var(--shadow);max-height:300px;overflow:auto}
.search-results li{padding:.6rem .8rem;border-radius:8px;cursor:pointer}
.search-results li:hover,.search-results li[aria-selected="true"]{background:var(--panel-2)}
.search-results .res-sub{color:var(--ink-faint);font-size:.8rem}

/* Banner */
.banner{position:relative;display:flex;gap:1rem;align-items:center;justify-content:space-between;
  border-radius:var(--radius);padding:clamp(1.2rem,4vw,2rem);overflow:hidden;
  background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);
  border-left:6px solid var(--ink-faint)}
.banner::before{content:"";position:absolute;inset:0;opacity:.18;pointer-events:none;
  background:radial-gradient(600px 300px at 90% 0,currentColor,transparent 70%)}
.banner-inner{position:relative;z-index:2;min-width:0}
.banner-eyebrow{font-family:var(--mono);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-dim)}
.banner-headline{margin:.25rem 0 .35rem;font-size:clamp(1.7rem,6vw,2.8rem);line-height:1.05;
  letter-spacing:-.01em;font-weight:800}
.banner-sub{margin:0;color:var(--ink-dim);max-width:46ch}
.banner-meta{margin-top:.8rem;display:flex;flex-wrap:wrap;gap:.5rem .9rem;font-size:.82rem;
  font-family:var(--mono);color:var(--ink-faint)}
.meta-source{color:var(--ink-dim)}

/* Severity theming via data-attr */
.banner[data-sev="none"]{border-left-color:var(--sev-none);color:var(--sev-none)}
.banner[data-sev="advisory"]{border-left-color:var(--sev-advisory);color:var(--sev-advisory)}
.banner[data-sev="watch"]{border-left-color:var(--sev-watch);color:var(--sev-watch)}
.banner[data-sev="warning"]{border-left-color:var(--sev-warning);color:var(--sev-warning)}
.banner[data-sev="ice"]{border-left-color:var(--sev-ice);color:var(--sev-ice)}
.banner[data-sev="blizzard"]{border-left-color:var(--sev-blizzard);color:var(--sev-blizzard)}
.banner[data-sev="cold"]{border-left-color:var(--sev-cold);color:var(--sev-cold)}
.banner-headline,.banner-sub,.banner-eyebrow{color:var(--ink)}
.banner[data-sev] .banner-eyebrow{color:currentColor}

/* Gauge */
.banner-gauge{position:relative;z-index:2;flex:0 0 auto}
.gauge{width:118px;height:118px;transform:rotate(-90deg)}
.gauge-track{fill:none;stroke:var(--line);stroke-width:9}
.gauge-arc{fill:none;stroke:currentColor;stroke-width:9;stroke-linecap:round;
  stroke-dasharray:327;stroke-dashoffset:327;transition:stroke-dashoffset .9s ease}
.gauge-value,.gauge-label{transform:rotate(90deg);transform-origin:60px 60px;
  text-anchor:middle;fill:var(--ink);font-family:var(--mono)}
.gauge-value{font-size:26px;font-weight:700}
.gauge-label{font-size:10px;fill:var(--ink-faint);letter-spacing:.2em}

@keyframes pulse{0%,100%{opacity:.55}50%{opacity:1}}
.banner--loading{animation:pulse 1.6s ease-in-out infinite}

/* Cards */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(1rem,3vw,1.4rem)}
.card-title{margin:0 0 .9rem;font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-dim);font-family:var(--mono)}
.card-foot{margin:.8rem 0 0;color:var(--ink-faint);font-size:.78rem;font-family:var(--mono)}

/* Conditions grid */
.cond-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.8rem}
.cond-loading{color:var(--ink-faint)}
.cond{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:.8rem .9rem}
.cond-k{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);
  font-family:var(--mono)}
.cond-v{font-size:1.35rem;font-weight:700;margin-top:.2rem}
.cond-v small{font-size:.7em;color:var(--ink-dim);font-weight:500}
.cond--hero{grid-column:span 2}
.cond--hero .cond-v{font-size:2.1rem}

/* Alerts */
.alerts{border-left:5px solid var(--sev-warning)}
.alert{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:1rem;
  margin-bottom:.7rem}
.alert:last-child{margin-bottom:0}
.alert-head{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin-bottom:.4rem}
.alert-event{font-weight:700;font-size:1.05rem}
.tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;padding:.18rem .5rem;
  border-radius:999px;text-transform:uppercase;border:1px solid currentColor}
.tag--official{color:var(--sev-warning)}
.tag--estimate{color:var(--ink-dim)}
.tag--sev{color:var(--ink);background:var(--panel-2);border-color:var(--line)}
.alert-when{color:var(--ink-faint);font-size:.8rem;font-family:var(--mono)}
.alert-desc{color:var(--ink-dim);font-size:.9rem;white-space:pre-wrap;margin:.5rem 0 0}
.alert details summary{cursor:pointer;color:var(--accent);margin-top:.5rem;font-size:.85rem}

/* Hourly chart */
.hourly{width:100%}
.hchart{position:relative;width:100%}
.hchart svg{display:block;width:100%;height:auto;touch-action:pan-y}
.hx-axis{stroke:var(--line);stroke-width:1}
.hx-grid{stroke:var(--line);stroke-width:1;opacity:.45}
.hx-freeze{stroke:var(--cyan);stroke-width:1;stroke-dasharray:4 4;opacity:.65}
.hx-freeze-t{fill:var(--cyan);font-size:10px;font-family:var(--mono);opacity:.8}
.hx-temp{fill:none;stroke:var(--accent);stroke-width:2.5}
.hx-snow{fill:var(--sev-watch);opacity:.5}
.hx-dot{fill:var(--accent);opacity:.55}
.hx-now{fill:var(--cyan);stroke:var(--bg);stroke-width:1.5}
.hx-nowlabel{fill:var(--ink);font-size:13px;font-weight:700;font-family:var(--mono)}
.hx-label{fill:var(--ink-faint);font-size:11px;font-family:var(--mono)}
.hx-ylabel{fill:var(--ink-dim);font-size:11px;font-family:var(--mono)}
.hx-cursor{stroke:var(--ink-dim);stroke-width:1;stroke-dasharray:3 3;opacity:.6}
.hx-marker{fill:var(--cyan);stroke:var(--bg);stroke-width:2}
.htip{position:absolute;pointer-events:none;background:var(--panel-2);border:1px solid var(--cyan);
  border-radius:8px;padding:.35rem .6rem;font-size:.82rem;font-family:var(--mono);white-space:nowrap;
  box-shadow:var(--shadow);z-index:5;color:var(--ink)}
.htip strong{color:var(--cyan);font-size:.95rem}
.htip span{color:var(--ink-dim)}

/* Daily */
.daily{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:.6rem}
.day{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:.7rem;
  text-align:center}
.day-name{font-family:var(--mono);font-size:.74rem;color:var(--ink-faint);text-transform:uppercase}
.day-icon{font-size:1.5rem;margin:.3rem 0}
.day-hi{font-weight:700}
.day-lo{color:var(--ink-faint)}
.day-snow{font-size:.74rem;color:var(--sev-watch);margin-top:.25rem;font-family:var(--mono)}

/* Prep */
.prep-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:.55rem}
.prep-list li{background:var(--bg-2);border:1px solid var(--line);border-radius:10px;
  padding:.7rem .9rem;display:flex;gap:.6rem;align-items:flex-start}
.prep-list li::before{content:"›";color:var(--cyan);font-weight:700}

/* Disclaimer + footer */
.disclaimer{font-size:.85rem;color:var(--ink-dim);background:var(--bg-2);border:1px solid var(--line);
  border-radius:12px;padding:1rem 1.1rem}
.disclaimer .tag{font-size:.6rem}
.footer{max-width:920px;margin:1rem auto 2rem;padding:0 1.25rem;color:var(--ink-faint);
  font-size:.82rem;text-align:center}

@media (max-width:560px){
  .banner{flex-direction:column;align-items:flex-start}
  .cond--hero{grid-column:span 2}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}

/* ---------- SEO / article content ---------- */
.page-h1{font-size:clamp(1.5rem,4.5vw,2.1rem);line-height:1.15;margin:.2rem 0 .4rem;
  letter-spacing:-.01em}
.lede{margin:0 0 .4rem;color:var(--ink-dim);font-size:1.02rem;max-width:70ch}
.lede strong{color:var(--ink)}

.prose{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(1.1rem,4vw,1.8rem);color:var(--ink-dim);line-height:1.6}
.prose h2{font-size:clamp(1.3rem,4vw,1.7rem);color:var(--ink);margin:.2rem 0 1rem;letter-spacing:-.01em}
.prose h3{font-size:1.12rem;color:var(--ink);margin:1.8rem 0 .5rem}
.prose p{max-width:72ch}
.prose strong{color:var(--ink)}
.prose a{color:var(--accent)}

.table-wrap{overflow-x:auto;margin:.8rem 0 1rem}
table.cmp{width:100%;border-collapse:collapse;font-size:.92rem;min-width:480px}
table.cmp th,table.cmp td{text-align:left;padding:.7rem .8rem;border-bottom:1px solid var(--line);
  vertical-align:top}
table.cmp th{color:var(--ink-faint);font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;
  text-transform:uppercase;font-weight:600}
table.cmp tr:last-child td{border-bottom:none}

.pill{display:inline-block;font-size:.78rem;font-weight:700;padding:.2rem .6rem;border-radius:999px;
  white-space:nowrap;border:1px solid currentColor}
.pill--watch{color:var(--sev-watch)}
.pill--advisory{color:var(--sev-advisory)}
.pill--warning{color:var(--sev-warning)}

.key-takeaway{background:var(--bg-2);border-left:4px solid var(--cyan);border-radius:8px;
  padding:.8rem 1rem;margin:1rem 0;color:var(--ink)}

.checklist,.def-list{margin:.6rem 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:.55rem}
.checklist li,.def-list li{background:var(--bg-2);border:1px solid var(--line);border-radius:10px;
  padding:.7rem .9rem}
.checklist li{padding-left:2.2rem;position:relative}
.checklist li::before{content:"\2713";position:absolute;left:.9rem;color:var(--sev-none);font-weight:700}

.faq{display:flex;flex-direction:column;gap:.5rem;margin-top:.6rem}
.faq details{background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:.2rem .9rem}
.faq summary{cursor:pointer;padding:.7rem 0;font-weight:600;color:var(--ink);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";color:var(--cyan);font-weight:700;margin-right:.6rem;display:inline-block;width:1ch}
.faq details[open] summary::before{content:"\2212"}
.faq details p{margin:0 0 .8rem;max-width:72ch}

.source-note{font-size:.85rem;color:var(--ink-faint);margin-top:1.6rem;border-top:1px solid var(--line);
  padding-top:1rem}

/* ---------- City pages: breadcrumbs + hub ---------- */
.crumbs{font-size:.82rem;color:var(--ink-faint);font-family:var(--mono)}
.crumbs a{color:var(--ink-dim);text-decoration:none}
.crumbs a:hover{color:var(--accent)}
.crumbs span{color:var(--ink)}
.hub-list{list-style:none;margin:0;padding:0;display:grid;
  grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.4rem}
.hub-list a{display:block;padding:.5rem .7rem;background:var(--bg-2);border:1px solid var(--line);
  border-radius:8px;color:var(--ink);text-decoration:none;font-size:.9rem}
.hub-list a:hover{border-color:var(--cyan)}