/* ==========================================================================
   Morning Weather Brief — Shared Stylesheet
   Covers: global theme tokens, layout containers, responsive card grid,
   and article styling for /guides/ subpages.
   ========================================================================== */

:root{
  --bg:#0F172A;
  --bg-deep:#0A1120;
  --panel:rgba(30,41,59,0.55);
  --panel-solid:#1E293B;
  --panel-border:rgba(148,163,184,0.14);
  --text:#E7ECF5;
  --muted:#8CA0B8;
  --muted-dim:#5C6B82;
  --cyan:#38BDF8;
  --teal:#2DD4BF;
  --violet:#A78BFA;
  --amber:#FBBF24;
  --red:#F87171;
  --track:rgba(148,163,184,0.16);
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}

*, *::before, *::after{ box-sizing:border-box; }

html, body{
  margin:0;
  padding:0;
  min-height:100%;
  background:
    radial-gradient(circle at 15% 0%, rgba(56,189,248,0.10), transparent 45%),
    radial-gradient(circle at 85% 100%, rgba(167,139,250,0.09), transparent 45%),
    var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

a{ color:var(--cyan); text-decoration:none; }
a:hover{ text-decoration:underline; }

/* ---------- Layout containers ---------- */
.wrap{
  max-width:820px;
  margin:0 auto;
  padding:28px 18px 40px;
  display:flex;
  flex-direction:column;
  gap:16px;
  min-height:100vh;
}

.container{
  max-width:820px;
  margin:0 auto;
  padding:28px 18px 56px;
}

.panel{
  background:var(--panel);
  border:1px solid var(--panel-border);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}

/* ---------- Responsive card grid ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:14px;
}

.card{
  background:var(--panel);
  border:1px solid var(--panel-border);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:18px 20px;
}

.card h3{
  margin:0 0 8px;
  font-size:15px;
  font-weight:700;
  letter-spacing:-0.01em;
}

.card p{
  margin:0;
  font-size:13.5px;
  line-height:1.5;
  color:var(--muted);
}

@media (max-width:560px){
  .card-grid{ grid-template-columns:1fr; }
}

/* ==========================================================================
   Guide subpages (/guides/*.html)
   ========================================================================== */

.guide-header{
  display:flex;
  align-items:center;
  gap:10px;
  padding:16px 20px;
  background:var(--panel);
  border:1px solid var(--panel-border);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  margin-bottom:20px;
}

.back-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  font-weight:700;
  letter-spacing:0.01em;
  color:var(--cyan);
}

.back-link:hover{ text-decoration:underline; }

article.guide{
  background:var(--panel);
  border:1px solid var(--panel-border);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:32px clamp(20px, 5vw, 44px) 44px;
}

.guide .eyebrow{
  font-size:11px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--cyan);
  font-weight:700;
  margin-bottom:10px;
}

.guide h1{
  margin:0 0 6px;
  font-size:clamp(24px, 4vw, 32px);
  font-weight:800;
  letter-spacing:-0.02em;
  line-height:1.2;
}

.guide .dek{
  font-size:15px;
  color:var(--muted);
  margin:0 0 28px;
  line-height:1.55;
  max-width:60ch;
}

.guide h2{
  font-size:19px;
  font-weight:700;
  letter-spacing:-0.01em;
  color:var(--text);
  margin:36px 0 12px;
  padding-top:4px;
  border-top:1px solid var(--panel-border);
}

.guide h2:first-of-type{
  border-top:none;
  padding-top:0;
  margin-top:8px;
}

.guide h3{
  font-size:15.5px;
  font-weight:700;
  color:var(--cyan);
  margin:22px 0 8px;
}

.guide p{
  font-size:15.5px;
  line-height:1.75;
  color:var(--text);
  margin:0 0 16px;
}

.guide p.lede{
  font-size:17px;
  color:var(--muted);
}

.guide ul, .guide ol{
  margin:0 0 18px;
  padding-left:22px;
  font-size:15px;
  line-height:1.7;
  color:var(--text);
}

.guide li{ margin-bottom:6px; }

.guide li::marker{ color:var(--cyan); }

.guide blockquote{
  margin:20px 0;
  padding:14px 18px;
  border-left:3px solid var(--cyan);
  background:rgba(56,189,248,0.06);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--muted);
  font-size:14.5px;
  line-height:1.6;
}

.guide blockquote p{ margin:0; color:inherit; }

.guide code{
  font-family:var(--font-mono);
  font-size:0.9em;
  background:rgba(148,163,184,0.14);
  color:var(--teal);
  padding:2px 6px;
  border-radius:5px;
}

.guide pre{
  background:var(--bg-deep);
  border:1px solid var(--panel-border);
  border-radius:var(--radius-sm);
  padding:14px 16px;
  overflow-x:auto;
  margin:0 0 18px;
}

.guide pre code{
  background:none;
  padding:0;
  color:var(--text);
}

.guide .callout{
  display:flex;
  align-items:flex-start;
  gap:12px;
  margin:24px 0;
  padding:16px 18px;
  border-radius:var(--radius-md);
  border:1px solid var(--panel-border);
  background:rgba(251,191,36,0.06);
}

.guide .callout .icon{
  font-size:20px;
  line-height:1.3;
  flex-shrink:0;
}

.guide .callout .callout-title{
  font-size:11px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--amber);
  font-weight:700;
  margin-bottom:4px;
}

.guide .callout p{
  margin:0;
  font-size:14px;
  color:var(--text);
}

.guide table{
  width:100%;
  border-collapse:collapse;
  margin:0 0 20px;
  font-size:14px;
}

.guide th, .guide td{
  text-align:left;
  padding:10px 12px;
  border-bottom:1px solid var(--panel-border);
}

.guide th{
  color:var(--muted);
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  font-weight:700;
}

.guide hr{
  border:none;
  border-top:1px solid var(--panel-border);
  margin:32px 0;
}

.guide-footer{
  margin-top:24px;
  padding-top:16px;
  font-size:12.5px;
  color:var(--muted-dim);
  text-align:center;
}