:root {
  --primary: #1f6f5b;
  --on-primary: #ffffff;
  --surface: #f6fbf8;
  --on-surface: #161d1a;
  --outline: #6f7a75;
  --status-on: #1f6f5b;
  --status-off: #6f7a75;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  font-family: "Avenir Next", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--surface);
  color: var(--on-surface);
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(10px + var(--safe-top)) 14px 10px;
  background: var(--primary);
  color: var(--on-primary);
}

.brand {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.top-actions { display: flex; gap: 4px; }

.icon-btn {
  border: 0;
  background: transparent;
  color: inherit;
  width: 40px;
  height: 40px;
  font-size: 1.25rem;
  border-radius: 10px;
  cursor: pointer;
}

.top .icon-btn { color: var(--on-primary); }
.day-nav .icon-btn { color: var(--on-surface); }
.day-nav .today { color: var(--primary); font-weight: 700; }

.summary {
  padding: 12px 16px 8px;
}

.day-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 650;
}

.status {
  margin: 4px 0 0;
  font-size: 0.95rem;
}
.status.on { color: var(--status-on); }
.status.off { color: var(--status-off); }

.stats {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.8fr;
  gap: 10px;
  margin-top: 12px;
}

.stats .label {
  display: block;
  font-size: 0.75rem;
  color: var(--outline);
}

.stats strong {
  font-size: 1.15rem;
  font-weight: 650;
}

.primary {
  margin-top: 12px;
  width: 100%;
  border: 0;
  border-radius: 12px;
  padding: 12px 16px;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.primary:disabled { opacity: 0.5; }

.hint {
  margin: 8px 0 0;
  font-size: 0.8rem;
  line-height: 1.35;
  color: var(--outline);
}

.day-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 4px 6px;
}

.day-nav span {
  flex: 1;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 600;
}

.map-wrap {
  position: relative;
  flex: 1;
  min-height: 220px;
}

#map {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.empty {
  position: absolute;
  z-index: 500;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.92);
  color: var(--on-surface);
  padding: 10px 16px;
  border-radius: 12px;
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
  pointer-events: none;
}

dialog {
  border: 0;
  border-radius: 16px;
  padding: 0;
  max-width: 420px;
  width: calc(100% - 32px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

dialog::backdrop { background: rgba(0, 0, 0, 0.35); }

.sheet {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sheet h2 { margin: 0 0 4px; font-size: 1.2rem; }

.sheet .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.sheet label { font-size: 0.95rem; }

.sheet input[type="date"],
.sheet input[type="text"] {
  width: 100%;
  margin-top: 4px;
  padding: 10px;
  border: 1px solid #c9d5cf;
  border-radius: 10px;
  font: inherit;
}

.radios {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.muted, .sheet .label {
  margin: 0;
  font-size: 0.8rem;
  color: var(--outline);
}

.install-tip {
  margin-top: 8px;
  padding: 12px;
  background: #e8f5f0;
  border-radius: 12px;
  font-size: 0.85rem;
}

.install-tip ol { margin: 8px 0 0; padding-left: 1.2rem; }

.sheet menu {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin: 8px 0 0;
  padding: 0;
}

.ghost {
  border: 0;
  background: transparent;
  color: var(--outline);
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
}

.suffix { color: var(--outline); font-size: 0.9rem; }

@media (min-width: 900px) {
  body {
    max-width: 480px;
    margin: 0 auto;
    border-inline: 1px solid #d7e4de;
  }
}