:root {
  --bg: #0b0d12;
  --bg-elev: #141821;
  --bg-elev-2: #1c2230;
  --text: #e9ecf1;
  --text-dim: #9aa3b2;
  --text-faint: #6b7280;
  --accent: #7aa2ff;
  --border: #232a3a;
  --bias-left: #5b8bff;
  --bias-lean-left: #7eb2ff;
  --bias-center: #b8a86e;
  --bias-lean-right: #ff9c8a;
  --bias-right: #ff6f5e;
  --shadow: 0 1px 3px rgba(0,0,0,.3), 0 4px 12px rgba(0,0,0,.25);
  font-synthesis: none;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fa;
    --bg-elev: #ffffff;
    --bg-elev-2: #ffffff;
    --text: #15181f;
    --text-dim: #4b5563;
    --text-faint: #6b7280;
    --accent: #2856d6;
    --border: #e5e7eb;
    --shadow: 0 1px 2px rgba(15,23,42,.06), 0 4px 12px rgba(15,23,42,.05);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.45;
  padding-bottom: env(safe-area-inset-bottom);
}

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

.visually-hidden {
  position: absolute; clip: rect(0 0 0 0); width: 1px; height: 1px; overflow: hidden;
}

/* ============ Header ============ */

.header {
  padding: 24px 20px 12px;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.header h1 { margin: 0; font-size: 28px; letter-spacing: -0.02em; }
.meta { font-size: 13px; color: var(--text-dim); }

/* ============ Main grid (vertical flow) ============ */

.grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 8px 20px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ============ Daily Brief ============ */

.brief {
  background: linear-gradient(135deg, var(--bg-elev), var(--bg-elev-2));
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 16px;
  padding: 14px 18px;
  box-shadow: var(--shadow);
}
.brief p { margin: 0; font-size: 15px; line-height: 1.5; color: var(--text); }
.brief::before {
  content: "Today's brief";
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

/* ============ Weather ============ */

.weather-cards {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}
@media (min-width: 540px) { .weather-cards { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .weather-cards { grid-template-columns: 1fr 1fr 1fr; } }

.weather-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.weather-card .wx-current {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 14px;
  align-items: center;
}
.weather-card .icon { font-size: 36px; line-height: 1; }
.weather-card .city { font-weight: 600; font-size: 14px; color: var(--text-dim); margin: 0; }
.weather-card .temp { font-size: 28px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.1; }
.weather-card .cond { font-size: 13px; color: var(--text-dim); }
.weather-card .extras {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  padding-top: 10px;
  align-items: center;
}

/* UV badges (WHO scale) */
.uv-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.uv-low       { background: rgba( 87,177,113, 0.18); color: #57b171; }
.uv-moderate  { background: rgba(238,196, 89, 0.18); color: #eec459; }
.uv-high      { background: rgba(238,150, 89, 0.20); color: #ee9659; }
.uv-very-high { background: rgba(232, 95, 84, 0.22); color: #e85f54; }
.uv-extreme   { background: rgba(159, 82,219, 0.25); color: #c79bff; }

/* Tides (Puerto Escondido) */
.tides {
  border-top: 1px solid var(--border);
  padding-top: 8px;
  display: grid;
  gap: 4px;
  font-size: 12px;
  color: var(--text-dim);
}
.tides-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 2px;
}
.tide-row {
  display: grid;
  grid-template-columns: 18px 70px 1fr;
  gap: 6px;
  align-items: baseline;
}
.tide-mark { font-weight: 700; color: var(--accent); }
.tide-mark.tide-low { color: var(--text-faint); }
.tide-time { color: var(--text); }
.tide-height { color: var(--text-dim); text-align: right; }

/* 6-day forecast strip */
.forecast {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
.forecast-day {
  text-align: center;
  font-size: 11px;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.fd-dow { font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
.fd-icon { font-size: 20px; line-height: 1; }
.fd-temps { font-size: 12px; color: var(--text); }
.fd-hi { font-weight: 600; }
.fd-lo { color: var(--text-faint); margin-left: 2px; }
.fd-precip { font-size: 10px; color: var(--accent); min-height: 12px; }

/* ============ Always-on (Med/Tech + GenAI) ============ */

.always-on {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}
@media (min-width: 800px) { .always-on { grid-template-columns: 1fr 1fr; } }
.always-on-label {
  grid-column: 1 / -1;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 -6px;
}

/* ============ Tab bar ============ */

.tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 10;
  margin: 4px auto;
  max-width: max-content;
}
.tab {
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 8px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 120ms, color 120ms;
}
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] {
  background: var(--accent);
  color: #0b0d12;
}

/* ============ Tab panes ============ */

.tab-pane[hidden] { display: none; }

.section-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}
@media (min-width: 700px)  { .section-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .section-grid { grid-template-columns: 1fr 1fr 1fr; } }

/* ============ Story columns ============ */

.col {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 18px;
  box-shadow: var(--shadow);
}
.col h2 {
  margin: 0 0 12px;
  font-size: 16px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.col h2 .count {
  font-size: 11px;
  color: var(--text-faint);
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-left: 6px;
  text-transform: none;
}

.stories {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.story { display: flex; flex-direction: column; gap: 4px; }

.story-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
}

.story-summary {
  margin: 2px 0 2px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-dim);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.story-why {
  margin: 4px 0 0;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--text-dim);
  border-left: 2px solid var(--accent);
  padding-left: 10px;
}
.story-why-label {
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.story-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-faint);
}
.story-source { color: var(--text-dim); font-weight: 500; }

.bias {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  border-radius: 999px;
  border: 1px solid currentColor;
  line-height: 1.3;
}
.bias-left { color: var(--bias-left); }
.bias-lean-left { color: var(--bias-lean-left); }
.bias-center { color: var(--bias-center); }
.bias-lean-right { color: var(--bias-lean-right); }
.bias-right { color: var(--bias-right); }
.region-mexico { color: #56c596; }
.region-oaxaca { color: #f39c4d; }
.lang-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--bg-elev-2);
  color: var(--text-faint);
}

.empty, .error {
  font-size: 13px;
  color: var(--text-faint);
  font-style: italic;
}
.error { color: var(--bias-right); font-style: normal; }

/* ============ Footer ============ */

.footer {
  max-width: 1400px;
  margin: 0 auto;
  padding: 8px 20px 32px;
  font-size: 12px;
  color: var(--text-faint);
  text-align: center;
}