:root {
  --green: #1f5f3a;
  --green-dark: #164a2c;
  --bg: #f6f7f4;
  --ink: #1d2320;
  --muted: #5d6762;
  --line: #d8ddd8;
  --pad: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

body { display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px var(--pad);
  background: var(--green);
  color: #fff;
}
.topbar h1 { margin: 0; font-size: 1.15rem; letter-spacing: 0.02em; }
.stats { display: flex; gap: 12px; font-size: 0.85rem; opacity: 0.95; flex-wrap: wrap; }
.header-right { margin-left: auto; display: flex; gap: 8px; align-items: center; }

main { position: relative; flex: 1; min-height: 0; }
#map { position: absolute; inset: 0; }

.btn {
  font: inherit;
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  min-height: 44px;
}
.btn.primary { background: var(--green); border-color: var(--green); color: #fff; }
.btn.primary:active { background: var(--green-dark); }

.fab {
  position: absolute;
  right: var(--pad);
  bottom: calc(var(--pad) + env(safe-area-inset-bottom));
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  z-index: 5;
}

.panel, .sheet {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  max-height: 75%;
  overflow-y: auto;
  background: #fff;
  border-radius: 18px 18px 0 0;
  box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.2);
  padding: 20px var(--pad) calc(24px + env(safe-area-inset-bottom));
  transform: translateY(105%);
  transition: transform 0.22s ease;
  z-index: 10;
}
.panel.open, .sheet.open { transform: translateY(0); }
.panel h2, .sheet h2 { margin: 0 0 12px; font-size: 1.1rem; }

.panel .close { position: absolute; top: 12px; right: var(--pad); background: none; border: 0; color: var(--muted); font: inherit; padding: 8px; cursor: pointer; }

.ratings { display: flex; gap: 24px; margin-bottom: 12px; flex-wrap: wrap; }
.ratings .lbl { display: block; font-size: 0.8rem; color: var(--muted); }
.stars { color: #c98a14; letter-spacing: 0.08em; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0 0 12px; }
.tag { background: #eef1ee; border-radius: 999px; padding: 4px 10px; font-size: 0.8rem; }

.actions { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.note { color: var(--muted); font-size: 0.9rem; margin: 0 0 12px; }

.field { margin: 0 0 18px; padding: 0; border: 0; }
.field label, .field legend { display: block; font-weight: 600; margin-bottom: 8px; padding: 0; }
.field small { display: block; color: var(--muted); margin-top: 6px; }
.field input[type=range] { width: 100%; }
.field textarea { width: 100%; font: inherit; padding: 12px; border: 1px solid var(--line); border-radius: 10px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.9rem;
  cursor: pointer;
  user-select: none;
}
.chip input:checked + span { background: var(--green); border-color: var(--green); color: #fff; }
.chip input:focus-visible + span { outline: 2px solid #1a5fd0; outline-offset: 2px; }
.field.hazard .chip input:checked + span { background: #b33a3a; border-color: #b33a3a; }

.row { display: flex; gap: 10px; margin-bottom: 18px; }
.row.end { justify-content: flex-end; margin-top: 8px; }

.toast {
  position: absolute;
  left: 50%;
  top: 14px;
  transform: translate(-50%, -140%);
  background: #222;
  color: #fff;
  padding: 12px 18px;
  border-radius: 10px;
  max-width: 90%;
  text-align: center;
  transition: transform 0.2s ease;
  z-index: 20;
}
.toast.show { transform: translate(-50%, 0); }

@media (min-width: 760px) {
  .panel, .sheet {
    left: auto;
    right: var(--pad);
    bottom: var(--pad);
    width: 400px;
    border-radius: 18px;
  }
}

/* ---------- navigation and views ---------- */
.tabs {
  display: flex;
  gap: 4px;
  padding: 8px var(--pad) calc(8px + env(safe-area-inset-bottom));
  background: #fff;
  border-top: 1px solid var(--line);
  overflow-x: auto;
}
.tab {
  flex: 1 0 auto;
  font: inherit;
  padding: 10px 14px;
  min-height: 44px;
  border: 0;
  border-radius: 10px;
  background: none;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
}
.tab.active { background: #e8f1ea; color: var(--green-dark); font-weight: 600; }

.view {
  position: absolute;
  inset: 0;
  z-index: 8;
  overflow-y: auto;
  background: var(--bg);
  padding: var(--pad);
}
.view[hidden] { display: none; }
.fab { z-index: 9; }
.fab[hidden] { display: none; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px var(--pad);
  margin-bottom: 14px;
}
.card h2 { margin: 0 0 10px; font-size: 1.1rem; }
.card h3 { margin: 18px 0 8px; font-size: 1rem; }
.card ul { margin: 0 0 8px; padding-left: 20px; }
.card li { margin-bottom: 6px; }
.prose p { line-height: 1.5; }

.lbl-block { display: block; font-weight: 600; margin-bottom: 14px; }
.lbl-block input, .lbl-block select { display: block; margin-top: 6px; width: 100%; }
.text-input { font: inherit; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.check-row { display: flex; align-items: center; gap: 10px; margin: 12px 0; }
.check-row[hidden] { display: none; }
.check-row input { width: 22px; height: 22px; }

.item { border-left: 6px solid var(--line); }
.item.reported { border-left-color: #d9822b; }
.item.claimed  { border-left-color: #e6c229; }
.item.cleaned  { border-left-color: #3f9b5a; }
.item.hazard   { border-left-color: #b33a3a; }
.item-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }

.user-chip { background: rgba(255, 255, 255, 0.18); padding: 6px 12px; border-radius: 999px; font-size: 0.85rem; }

.scores { display: flex; gap: 12px; text-align: center; margin-bottom: 10px; }
.scores > div { flex: 1; background: #f1f4f0; border-radius: 12px; padding: 14px 8px; }
.scores .big { display: block; font-size: 1.6rem; font-weight: 700; }
.scores .lbl { font-size: 0.8rem; color: var(--muted); }

.streak { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 12px; margin-bottom: 8px; border-radius: 12px; border: 2px solid var(--line); }
.streak .badge { font-size: 0.75rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; color: #fff; }
.streak.monthly { border-color: #b0773c; }
.streak.monthly .badge { background: #b0773c; }
.streak.weekly { border-color: #7d8790; }
.streak.weekly .badge { background: #7d8790; }
.streak.daily { border-color: #c9a21a; }
.streak.daily .badge { background: #c9a21a; }
.streak-main { flex: 1; }
.streak-lvl { font-size: 0.85rem; color: var(--muted); }