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

body {
  font-family: "Avenir Next", Avenir, Futura, "Trebuchet MS", sans-serif;
  background: #f4efe1;
  color: #21301f;
  min-height: 100vh;
  padding: 30px 20px 60px;
}

.container { max-width: 960px; margin: 0 auto; }

header {
  text-align: center;
  margin-bottom: 32px;
}
header h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #21301f;
}
header p {
  color: #5b7a3a;
  font-size: 14px;
  margin-top: 4px;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.hero-card {
  background: rgba(255,253,248,0.92);
  border: 1px solid rgba(51,76,44,0.15);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(34,47,28,0.08);
}
.hero-card .icon { font-size: 32px; margin-bottom: 8px; }
.hero-card .label { color: #5b7a3a; font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.hero-card .value { font-size: 32px; font-weight: 700; margin-top: 6px; }
.hero-card .value.temp { color: #c2410c; }
.hero-card .value.humid { color: #0891b2; }
.hero-card .value.time { font-size: 16px; color: #3d5a2a; line-height: 1.5; }

.day-summary {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.mini-card {
  background: rgba(255,253,248,0.92);
  border: 1px solid rgba(51,76,44,0.12);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(34,47,28,0.06);
}
.mini-card .label { color: #5b7a3a; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
.mini-card .value { font-size: 20px; font-weight: 600; margin-top: 4px; }
.mini-card .value.hi { color: #dc2626; }
.mini-card .value.lo { color: #2563eb; }
.mini-card .value.hi-h { color: #0891b2; }
.mini-card .value.lo-h { color: #7c3aed; }
.mini-card .value.et { color: #5b7a3a; }

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,253,248,0.92);
  border: 1px solid rgba(51,76,44,0.15);
  border-radius: 14px;
  padding: 12px 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(34,47,28,0.06);
}
.nav-bar button {
  background: #5b7a3a;
  border: 2px solid #5b7a3a;
  color: #fff;
  padding: 8px 18px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: background 0.2s;
}
.nav-bar button:hover:not(:disabled) { background: #4a6630; border-color: #4a6630; }
.nav-bar button:disabled { opacity: 0.35; cursor: not-allowed; }
.nav-bar .day-label { font-weight: 600; font-size: 15px; text-align: center; color: #21301f; }

.chart-card {
  background: rgba(255,253,248,0.92);
  border: 1px solid rgba(51,76,44,0.15);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(34,47,28,0.08);
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  color: #21301f;
  margin: 32px 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title .icon { font-size: 24px; }

.irrigation-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.zone-card {
  background: rgba(255,253,248,0.92);
  border: 1px solid rgba(51,76,44,0.15);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(34,47,28,0.08);
}
.zone-card.needs-water {
  border-color: #dc2626;
  background: rgba(255,240,240,0.92);
}
.zone-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.zone-name {
  font-size: 16px;
  font-weight: 700;
  color: #21301f;
}
.zone-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.zone-badge.ok {
  background: #dcfce7;
  color: #166534;
}
.zone-badge.alert {
  background: #fef2f2;
  color: #dc2626;
}

.et-bar-wrap {
  background: #e5e7eb;
  border-radius: 8px;
  height: 18px;
  overflow: hidden;
  margin: 10px 0 6px;
  position: relative;
}
.et-bar-fill {
  height: 100%;
  border-radius: 8px;
  transition: width 0.6s ease;
}
.et-bar-fill.green { background: linear-gradient(90deg, #86efac, #22c55e); }
.et-bar-fill.yellow { background: linear-gradient(90deg, #fde68a, #f59e0b); }
.et-bar-fill.red { background: linear-gradient(90deg, #fca5a5, #ef4444); }
.et-bar-label {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 600;
  color: #21301f;
}

.zone-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
  margin-top: 10px;
}
.zone-detail {
  font-size: 12px;
  color: #5b7a3a;
}
.zone-detail strong {
  color: #21301f;
}

.usage-summary {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.usage-card {
  background: rgba(255,253,248,0.92);
  border: 1px solid rgba(51,76,44,0.15);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(34,47,28,0.08);
}
.usage-card .icon { font-size: 32px; margin-bottom: 8px; }
.usage-card .label { color: #5b7a3a; font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.usage-card .value { font-size: 28px; font-weight: 700; margin-top: 6px; color: #0369a1; }
.usage-card .value.leak { color: #dc2626; }

.usage-chart-card {
  background: rgba(255,253,248,0.92);
  border: 1px solid rgba(51,76,44,0.15);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(34,47,28,0.08);
  margin-bottom: 24px;
}

.cost-summary {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.cost-card {
  background: rgba(255,253,248,0.92);
  border: 1px solid rgba(51,76,44,0.15);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(34,47,28,0.08);
}
.cost-card .icon { font-size: 32px; margin-bottom: 8px; }
.cost-card .label { color: #5b7a3a; font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.cost-card .value { font-size: 28px; font-weight: 700; margin-top: 6px; color: #7c3aed; }
.cost-card .sub { font-size: 11px; color: #888; margin-top: 4px; }

@media (max-width: 640px) {
  body { padding: 20px 12px 40px; }
  header { margin-bottom: 24px; }
  header h1 { font-size: 22px; }
  .hero { grid-template-columns: 1fr; gap: 12px; }
  .hero-card { padding: 16px; display: flex; align-items: center; gap: 14px; text-align: left; }
  .hero-card .icon { font-size: 28px; margin-bottom: 0; flex-shrink: 0; }
  .hero-card .label { margin-bottom: 2px; }
  .hero-card .value { font-size: 24px; margin-top: 2px; }
  .hero-card .value.time { font-size: 14px; }
  .day-summary { grid-template-columns: 1fr 1fr; gap: 10px; }
  .day-summary .mini-card:last-child { grid-column: 1 / -1; }
  .mini-card { padding: 12px; }
  .mini-card .value { font-size: 18px; }
  .nav-bar { padding: 10px 12px; gap: 8px; }
  .nav-bar button { padding: 10px 14px; font-size: 13px; min-height: 44px; }
  .nav-bar .day-label { font-size: 13px; min-width: 0; }
  .chart-card { padding: 14px 10px; border-radius: 12px; }
  .irrigation-grid { grid-template-columns: 1fr; }
  .zone-card { padding: 16px; }
  .usage-summary { grid-template-columns: 1fr; gap: 12px; }
  .usage-card { padding: 16px; display: flex; align-items: center; gap: 14px; text-align: left; }
  .usage-card .icon { font-size: 28px; margin-bottom: 0; flex-shrink: 0; }
  .usage-card .value { font-size: 22px; }
  .usage-chart-card { padding: 14px 10px; border-radius: 12px; }
  .cost-summary { grid-template-columns: 1fr 1fr; gap: 12px; }
  .cost-card { padding: 16px; display: flex; align-items: center; gap: 14px; text-align: left; }
  .cost-card .icon { font-size: 28px; margin-bottom: 0; flex-shrink: 0; }
  .cost-card .value { font-size: 22px; }
}