:root {
  --bg: #eef3f1;
  --card: #ffffff;
  --ink: #1e2a2f;
  --muted: #63767d;
  --line: #e4ebe9;
  --accent: #2e7d5b;
  --accent-dk: #1f5c42;
  --hi: #e8663c;
  --lo: #2f80ed;
  --happy-bg: #e9f8ef; --happy-br: #23a55a;
  --neutral-bg: #fff5e0; --neutral-br: #dd9b1f;
  --sad-bg: #fdeaea; --sad-br: #d94b4b;
  --shadow: 0 1px 3px rgba(16,40,34,.06), 0 8px 24px rgba(16,40,34,.06);
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-dk); }

/* Header */
.site-header {
  background: linear-gradient(135deg, #2e7d5b 0%, #245c8a 100%);
  color: #fff;
  padding: 22px 0;
  box-shadow: var(--shadow);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.title-block h1 {
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: .2px;
}
.location {
  margin: 4px 0 0;
  opacity: .9;
  font-size: .95rem;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.updated {
  font-size: .82rem;
  opacity: .9;
  white-space: nowrap;
}
.refresh-btn {
  background: rgba(255,255,255,.16);
  color: #fff;
  border: 1px solid rgba(255,255,255,.35);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: .9rem;
  cursor: pointer;
  transition: background .15s ease;
}
.refresh-btn:hover { background: rgba(255,255,255,.28); }
.refresh-btn:active { transform: translateY(1px); }

/* Layout */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 26px 20px 40px;
}

/* Status */
.status {
  padding: 14px 16px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-size: .95rem;
}
.status.loading { background: #eaf1ff; color: #24487a; }
.status.error { background: var(--sad-bg); color: #8f2e2e; }
.link-btn {
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
  padding: 0 2px;
}

/* Day cards */
.days-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
}
.day-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 14px 12px 12px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.day-card.happy { border-top-color: var(--happy-br); }
.day-card.neutral { border-top-color: var(--neutral-br); }
.day-card.sad { border-top-color: var(--sad-br); }

.day-top { width: 100%; }
.day-name { font-weight: 700; font-size: 1.02rem; }
.day-date { color: var(--muted); font-size: .8rem; }

.face {
  font-size: 2.6rem;
  line-height: 1;
  margin: 8px 0 2px;
}
.face-label {
  font-size: .78rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.day-card.happy .face-label { background: var(--happy-bg); color: #15803d; }
.day-card.neutral .face-label { background: var(--neutral-bg); color: #a86a10; }
.day-card.sad .face-label { background: var(--sad-bg); color: #b23434; }

.wx {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: .82rem;
  color: var(--muted);
  min-height: 34px;
}
.wx-icon { font-size: 1.1rem; }

.temps {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin: 6px 0 10px;
}
.temps .hi { font-size: 1.5rem; font-weight: 700; color: var(--hi); }
.temps .lo { font-size: 1.15rem; font-weight: 600; color: var(--lo); }

.metrics {
  list-style: none;
  margin: 0;
  padding: 8px 0 0;
  width: 100%;
  border-top: 1px solid var(--line);
  font-size: .76rem;
}
.metrics li {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  padding: 3px 0;
}
.metrics li span { color: var(--muted); }
.metrics li b { font-weight: 600; text-align: right; }

/* Charts */
.charts-section {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.chart-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px 18px 10px;
  box-shadow: var(--shadow);
}
.chart-card h2 {
  margin: 0 0 6px;
  font-size: 1rem;
  color: var(--ink);
}
.chart { width: 100%; }
.chart-svg { display: block; width: 100%; height: auto; }

.grid { stroke: #eef2f1; stroke-width: 1; }
.axis-label { fill: #8a9aa0; font-size: 12px; }
.axis-label.y { text-anchor: end; }
.axis-label.x { text-anchor: middle; }
.pt-label { font-size: 11px; font-weight: 600; text-anchor: middle; }
.legend-label { fill: #55666c; font-size: 12px; }

/* Legend note */
.legend-note {
  margin-top: 26px;
  background: var(--card);
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow);
}
.legend-note h2 { margin: 0 0 6px; font-size: 1rem; }
.legend-note p { margin: 0; color: var(--muted); font-size: .92rem; }
.chip {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
  margin: 0 2px;
}
.chip.happy { background: var(--happy-bg); color: #15803d; }
.chip.neutral { background: var(--neutral-bg); color: #a86a10; }
.chip.sad { background: var(--sad-bg); color: #b23434; }

/* Footer */
.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: .84rem;
  padding: 24px 20px 40px;
}

/* Responsive */
@media (max-width: 900px) {
  .days-grid { grid-template-columns: repeat(4, 1fr); }
  .charts-section { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .days-grid { grid-template-columns: repeat(2, 1fr); }
  .title-block h1 { font-size: 1.25rem; }
}
@media (max-width: 380px) {
  .days-grid { grid-template-columns: 1fr; }
}