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

body {
  font-family: system-ui, sans-serif;
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
  color: #1a1a1a;
  background: #f5f7fa;
  min-height: 100vh;
}

h1 {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
  color: #111;
}

form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

input {
  padding: 0.55rem 0.75rem;
  font-size: 1rem;
  border: 1px solid #d0d5dd;
  border-radius: 6px;
  background: #fff;
  outline: none;
  transition: border-color 0.15s;
}

input:focus { border-color: #1a73e8; }

#city  { flex: 2; min-width: 140px; }
#state { flex: 1; min-width: 80px; }

button {
  padding: 0.55rem 1.1rem;
  font-size: 1rem;
  background: #1a73e8;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
}

button:hover { background: #1558b0; }

#status { color: #666; margin-bottom: 1rem; font-size: 0.95rem; }


.current {
  margin-bottom: 1.75rem;
}

.current-location {
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 0.3rem;
}

.current-period {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #555;
  margin-bottom: 0.25rem;
}

.temp-large {
  font-size: 3rem;
  font-weight: 700;
  margin: 0.1rem 0 0.5rem;
  letter-spacing: -0.03em;
  color: #111;
}

.current-detail { margin: 0; font-size: 0.88rem; color: #555; line-height: 1.55; max-width: 520px; }

h3 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: #888; margin: 0 0 0.6rem; }

.forecast-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.6rem;
}

.period {
  background: #fff;
  border: 1px solid #e0e4ea;
  border-radius: 8px;
  padding: 0.75rem;
}

.period-emoji { font-size: 1.4rem; display: block; margin-bottom: 0.2rem; }
.period strong { font-size: 0.85rem; color: #333; display: block; margin-bottom: 0.15rem; }
.period .temp { font-size: 1.15rem; font-weight: 700; display: block; margin-bottom: 0.2rem; }
.period p { margin: 0; font-size: 0.8rem; color: #666; line-height: 1.4; }

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.comparison-card {
  background: #fff;
  border: 1px solid #e0e4ea;
  border-radius: 8px;
  overflow: hidden;
}

.comparison-card-header {
  background: #f0f4ff;
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #333;
}

.comparison-card-body {
  padding: 0.6rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.comparison-source {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.source-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #888;
}

.source-temp { font-weight: 700; }

/* ── FEATURE SECTIONS ─────────────────────────────────────────────── */

.feature-section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e0e4ea;
}

.section-header-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.section-title   { font-size: 1rem; font-weight: 600; color: #1a1a1a; margin-bottom: 0.2rem; }
.section-subtitle { font-size: 0.82rem; color: #888; margin-bottom: 1rem; }
.section-meta    { font-size: 0.75rem; color: #aaa; }

.alert-badge {
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.04em; padding: 0.2rem 0.6rem;
  border-radius: 20px; text-transform: uppercase;
  background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe;
}

/* ── CHARTS ───────────────────────────────────────────────────────── */

.chart-wrap { position: relative; width: 100%; }

.chart-legend { display: flex; gap: 1rem; font-size: 0.78rem; }
.leg-nws  { color: #1a73e8; }
.leg-aifs { color: #2e7d52; }
.leg-dm   { color: #9e9e9e; }

.model-nws  { color: #1a73e8; }
.model-aifs { color: #2e7d52; }
.model-dm   { color: #7c3aed; }

/* ── CONFIDENCE CARDS ─────────────────────────────────────────────── */

.conf-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.conf-card {
  border-radius: 8px;
  padding: 0.85rem 1rem;
  border: 1px solid #e0e4ea;
}

.conf-nws  { background: linear-gradient(135deg, #e8f0fe 0%, #f8fbff 100%); }
.conf-aifs { background: linear-gradient(135deg, #e6f4ea 0%, #f6fdf7 100%); }
.conf-dm   { background: linear-gradient(135deg, #ede9fe 0%, #f5f3ff 100%); }

.conf-hdr  { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.6rem; }
.conf-src  { font-size: 0.85rem; font-weight: 600; display: flex; flex-direction: column; gap: 0.1rem; }
.conf-sub  { font-size: 0.72rem; font-weight: 400; color: #888; }

.conf-badge {
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.04em; padding: 0.15rem 0.4rem;
  border-radius: 3px; text-transform: uppercase;
}

.badge-high      { background: #e8f0fe; color: #1a73e8; }
.badge-very-high { background: #e6f4ea; color: #2e7d52; }
.badge-pending   { background: #ede9fe; color: #7c3aed; }

.conf-temp        { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 0.15rem; }
.conf-pending-val { color: #bbb; }
.conf-range       { font-size: 0.78rem; color: #888; }

/* ── DECAY ANNOTATIONS ────────────────────────────────────────────── */

.decay-annotations {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-top: 1rem;
}

.decay-card    { background: #f9f9f9; border: 1px solid #e0e4ea; border-radius: 6px; padding: 0.65rem 0.75rem; text-align: center; }
.decay-card-dm { opacity: 0.7; }
.decay-model   { font-size: 0.8rem; font-weight: 600; margin-bottom: 0.15rem; color: #555; }
.decay-label   { font-size: 0.78rem; color: #444; }
.decay-range   { font-size: 0.75rem; color: #888; margin-top: 0.1rem; }

/* ── STORM TRACKER ────────────────────────────────────────────────── */

.storm-alert  {
  display: flex; align-items: flex-start; gap: 0.75rem;
  padding: 0.75rem; margin-bottom: 0.5rem;
  background: #f9f9f9; border: 1px solid #e0e4ea; border-radius: 6px;
}

.storm-icon   { font-size: 1rem; flex-shrink: 0; margin-top: 0.1rem; }
.storm-body   { flex: 1; }
.storm-title  { font-size: 0.88rem; font-weight: 600; margin-bottom: 0.2rem; }
.storm-detail { font-size: 0.8rem; color: #555; }
.storm-time   { font-size: 0.78rem; color: #888; white-space: nowrap; }
.no-alerts    { font-size: 0.85rem; color: #888; margin: 0; }

/* ── SCOREBOARD ───────────────────────────────────────────────────── */

.scoreboard-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.score-card       { border: 1px solid #e0e4ea; border-radius: 8px; padding: 0.85rem 1rem; }
.score-card-nws   { background: linear-gradient(135deg, #e8f0fe 0%, #f8fbff 100%); }
.score-card-aifs  { background: linear-gradient(135deg, #e6f4ea 0%, #f6fdf7 100%); }
.score-card-dm    { background: linear-gradient(135deg, #ede9fe 0%, #f5f3ff 100%); opacity: 0.7; }
.score-src        { font-size: 0.82rem; font-weight: 600; color: #333; margin-bottom: 0.3rem; }
.score-sub        { font-size: 0.72rem; font-weight: 400; color: #888; }
.score-pct        { font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 0.15rem; }
.score-pct-dm     { color: #bbb; }
.score-label      { font-size: 0.75rem; color: #888; }
.score-loading    { font-size: 0.85rem; color: #aaa; padding: 0.5rem 0; }

.error { color: #c0392b; }

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid #e0e4ea;
  font-size: 0.8rem;
  color: #999;
}