:root {
  --paper: #f6f8f8; --card: #ffffff; --ink: #14201e; --muted: #5a6a67;
  --line: #dde5e3; --accent: #0d7d8a; --accent-weak: #0d7d8a15;
  --ok: #2f9e6b; --warn: #c9871e; --err: #cf4457;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0d1413; --card: #141e1c; --ink: #e7efed; --muted: #8ea19d;
    --line: #26332f; --accent: #2bc0cf; --accent-weak: #2bc0cf1a;
    --ok: #3fb57e; --warn: #e0b048; --err: #e8657a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 24px; border-bottom: 1px solid var(--line); background: var(--card);
}
.brand { font-weight: 700; font-size: 17px; }
.brand span { color: var(--muted); font-weight: 400; font-size: 13px; }
.user { color: var(--muted); font-size: 14px; }
.nav { display: flex; align-items: center; gap: 18px; font-size: 14px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--accent); }
.wrap { max-width: 1160px; margin: 0 auto; padding: 24px; }

/* Guía page */
.back { display: inline-block; color: var(--muted); text-decoration: none; font-size: 14px; margin-bottom: 6px; }
.back:hover { color: var(--accent); }
.guide-title { font-size: 26px; font-weight: 740; letter-spacing: -0.01em; margin: 4px 0 12px; }
.guide-section { margin-bottom: 20px; }
.guide-section h2 { margin: 0 0 8px; font-size: 18px; }
.guide-section table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin-top: 10px; min-width: 560px; }
.guide-section th, .guide-section td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.guide-section th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.guide-section code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-weight: 600; color: var(--accent); }
.tier { border-left: 4px solid var(--line); padding: 10px 14px; margin: 12px 0; border-radius: 0 8px 8px 0; background: var(--accent-weak); }
.tier h3 { margin: 0 0 4px; font-size: 15px; }
.tier > p { margin: 0 0 6px; font-size: 14px; color: var(--muted); }
.tier ul { margin: 0; padding-left: 18px; font-size: 13.5px; color: var(--muted); }
.tier-watch { border-left-color: var(--ok); }
.tier-early { border-left-color: var(--warn); }
.tier-active { border-left-color: #dd7a2e; }
.tier-emerg { border-left-color: var(--err); }
dl.glossary dt { font-weight: 650; margin-top: 12px; }
dl.glossary dd { margin: 2px 0 0; color: var(--muted); font-size: 14px; }

.controls {
  display: flex; gap: 20px; flex-wrap: wrap; align-items: center;
  justify-content: space-between; margin-bottom: 18px;
}
.upload { display: flex; gap: 10px; align-items: center; }
.file { position: relative; }
.file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.file span, .upload button, .year select {
  display: inline-block; padding: 8px 14px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--card); color: var(--ink); font-size: 14px;
}
.upload button {
  background: var(--accent); color: #fff; border-color: var(--accent);
  cursor: pointer; font-weight: 600;
}
.year { display: flex; gap: 8px; align-items: center; color: var(--muted); }

.notice { padding: 12px 16px; border-radius: 10px; margin: 6px 0 16px; font-size: 14px; }
.notice.ok { background: var(--accent-weak); border: 1px solid var(--accent); }
.notice.error { background: #cf445715; border: 1px solid var(--err); }
.notice .warn { color: var(--warn); font-size: 13px; margin-top: 4px; }
.notice button {
  margin-left: 10px; padding: 4px 10px; border: 1px solid var(--accent);
  background: var(--accent); color: #fff; border-radius: 6px; cursor: pointer;
}
.htmx-indicator { opacity: 0; }
.htmx-request .htmx-indicator, .htmx-indicator.htmx-request { opacity: 1; }

.banner { font-size: 14px; color: var(--muted); }
.grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 8px;
}
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px;
}
.card.wide { grid-column: 1 / -1; }
.card h2 { margin: 0 0 10px; font-size: 15px; font-weight: 650; }
.chart-desc { margin: 12px 2px 0; font-size: 12.5px; line-height: 1.55; color: var(--muted);
  border-top: 1px solid var(--line); padding-top: 10px; }
.chart-desc strong { color: var(--ink); font-weight: 620; }
/* A follow-on description paragraph: no second divider, tighter spacing. */
.chart-desc-cont { border-top: none; padding-top: 0; margin-top: 6px; }
.trigger-readout { margin: 8px 2px 0; min-height: 1.5em; font-size: 12.5px; line-height: 1.45;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.trigger-readout .tr-code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-weight: 700;
  color: var(--accent); }
.trigger-readout .tr-week { color: var(--muted); font-size: 11.5px; }
.trigger-readout .tr-desc { color: var(--ink); flex: 1 1 100%; }
.zone-key { display: flex; flex-wrap: wrap; gap: 14px; margin: 10px 2px 0; font-size: 12.5px; color: var(--muted); }
.zone-key span { display: inline-flex; align-items: center; gap: 6px; }
.zone-key i { width: 11px; height: 11px; border-radius: 3px; display: inline-block; flex: none; }
.z-normal { background: #2f9e6b; } .z-aten { background: #c99a1e; }
.z-alerta { background: #dd7a2e; } .z-epi { background: #cf4457; }
.chart { width: 100%; height: 320px; }
.card.wide .chart { height: 360px; }
.card.wide .chart.chart-tall { height: 480px; }
.hint { font-weight: 400; font-size: 12.5px; color: var(--muted); }
.muted { color: var(--muted); font-size: 14px; }
#map img { width: 100%; border-radius: 8px; }
#unmatched ul { margin: 0; padding-left: 18px; font-size: 13px; color: var(--muted);
  max-height: 280px; overflow: auto; }
@media (max-width: 720px) { .grid { grid-template-columns: 1fr; } }

/* Login page */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 40px 36px; max-width: 380px; width: 100%; text-align: center;
}
.login-brand { font-size: 26px; font-weight: 760; letter-spacing: -0.02em; }
.login-sub { color: var(--muted); font-size: 14px; margin: 6px 0 26px; }
.login-btn {
  display: block; padding: 12px 18px; border-radius: 10px; background: var(--accent);
  color: #fff; font-weight: 650; text-decoration: none; font-size: 15px;
}
.login-btn:hover { filter: brightness(1.05); }
.login-note { color: var(--muted); font-size: 12.5px; margin: 20px 0 0; }