:root {
  --soil: #14241c;
  --soil-mid: #1e3329;
  --crop: #d4b36a;
  --crop-hot: #e8c57a;
  --field: #f4f7f1;
  --ink: #152018;
  --muted: #5a6b5e;
  --ok: #2f7a4a;
  --danger: #b91c1c;
  --warn: #b45309;
  --line: rgba(21, 32, 24, 0.12);
  --tap: 3.2rem;
  --glass: rgba(255, 255, 255, 0.82);
  --glass-strong: rgba(255, 255, 255, 0.94);
  --shadow: 0 14px 36px rgba(12, 24, 18, 0.14);
  --shadow-soft: 0 8px 22px rgba(12, 24, 18, 0.08);
  --radius: 18px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 45% at 100% 0%, rgba(212, 179, 106, 0.22), transparent 55%),
    radial-gradient(ellipse 50% 35% at 0% 100%, rgba(47, 122, 74, 0.12), transparent 50%),
    linear-gradient(180deg, #e8efe3, #dfe6d8);
}
.top {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  padding-top: max(0.85rem, env(safe-area-inset-top));
  background: rgba(20, 36, 28, 0.88);
  color: var(--field);
  backdrop-filter: blur(16px) saturate(1.25);
  -webkit-backdrop-filter: blur(16px) saturate(1.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 24px rgba(8, 16, 12, 0.18);
}
.brand { font-weight: 750; letter-spacing: 0.03em; font-size: 1.05rem; }
.who { margin-left: auto; font-size: 0.82rem; opacity: 0.88; }
.panel {
  max-width: 28rem;
  margin: 0 auto;
  padding: 1rem 1rem 2.5rem;
}
.panel > h1 {
  margin: 0.25rem 0 0.65rem;
  font-size: 1.35rem;
  font-weight: 750;
}
.home {
  max-width: 28rem;
  margin: 0 auto;
  padding: 1.15rem 1rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.home-lead {
  margin: 0 0 0.35rem;
  padding: 0.95rem 1rem;
  border-radius: var(--radius);
  background: var(--glass-strong);
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}
.home-lead strong {
  display: block;
  font-size: 1.15rem;
  font-weight: 750;
  margin-bottom: 0.2rem;
}
.home-lead span {
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.4;
}
.home-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}
.home-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  min-height: 6.8rem;
  padding: 0.9rem 0.85rem;
  text-align: left;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 16px;
  background: var(--glass-strong);
  box-shadow: var(--shadow-soft), 0 1px 0 rgba(255, 255, 255, 0.9) inset;
  backdrop-filter: blur(12px);
  cursor: pointer;
  font: inherit;
  color: var(--ink);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.home-card:active { transform: scale(0.985); }
.home-card .ico {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #fff;
  margin-bottom: 0.15rem;
}
.home-card .ico.patrol { background: linear-gradient(145deg, #3a8f58, #2f7a4a); }
.home-card .ico.walk { background: linear-gradient(145deg, #d97706, #b45309); }
.home-card .ico.machine { background: linear-gradient(145deg, #a16207, #92400e); }
.home-card .ico.check { background: linear-gradient(145deg, #15803d, #166534); }
.home-card .ico.well { background: linear-gradient(145deg, #0284c7, #0369a1); }
.home-card .ico.water { background: linear-gradient(145deg, #0d9488, #0f766e); }
.home-card strong {
  font-size: 0.98rem;
  font-weight: 750;
  line-height: 1.25;
}
.home-card span {
  font-size: 0.74rem;
  color: var(--muted);
  line-height: 1.35;
}
h1 {
  margin: 0.35rem 0 0.85rem;
  font-size: 1.45rem;
}
.hint, .label {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.4;
  margin: 0 0 0.75rem;
}
.label { font-weight: 650; color: var(--ink); margin-bottom: 0.45rem; }
.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
  font-weight: 650;
}
.field input,
.field select,
.field textarea {
  min-height: var(--tap);
  padding: 0.65rem 0.75rem;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  font: inherit;
  font-weight: 500;
  background: var(--glass-strong);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset;
}
.field textarea { min-height: 4.5rem; resize: vertical; }
.btn {
  border: 0;
  border-radius: 14px;
  min-height: var(--tap);
  padding: 0.75rem 1rem;
  font: inherit;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
}
.btn.block { width: 100%; margin-top: 0.45rem; }
.btn.primary {
  background: linear-gradient(180deg, #e8c97f, var(--crop));
  color: var(--soil);
  box-shadow: 0 8px 20px rgba(212, 179, 106, 0.35);
}
.btn.alt { background: #2f7a4a; color: #f4f7f1; }
.btn.ghost {
  background: rgba(255, 255, 255, 0.78);
  border: 1.5px solid var(--line);
  color: var(--ink);
  box-shadow: none;
}
.btn.danger { background: var(--danger); color: #fff; }
.btn.huge {
  min-height: 5.2rem;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}
.walk-canvas {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  border: 1.5px solid var(--line);
  background: #e8f0e4;
  margin: 0.55rem 0 0.65rem;
  touch-action: none;
  box-shadow: var(--shadow-soft);
}
.gps-panel {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin: 0 0 0.55rem;
  padding: 0.75rem 0.8rem;
  border-radius: 14px;
  border: 1.5px solid rgba(47, 122, 74, 0.35);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-soft);
}
.gps-signal {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 1.55rem;
  flex: 0 0 auto;
  padding-top: 0.1rem;
}
.gps-signal i {
  display: block;
  width: 5px;
  border-radius: 2px;
  background: rgba(21, 32, 24, 0.18);
}
.gps-signal i:nth-child(1) { height: 28%; }
.gps-signal i:nth-child(2) { height: 48%; }
.gps-signal i:nth-child(3) { height: 68%; }
.gps-signal i:nth-child(4) { height: 92%; }
.gps-signal[data-level="1"] i:nth-child(1),
.gps-signal[data-level="2"] i:nth-child(-n+2),
.gps-signal[data-level="3"] i:nth-child(-n+3),
.gps-signal[data-level="4"] i {
  background: #2f7a4a;
}
.gps-signal[data-level="1"] i:nth-child(1) { background: #b45309; }
.gps-signal[data-level="2"] i:nth-child(-n+2) { background: #ca8a04; }
.gps-panel-body {
  flex: 1 1 auto;
  min-width: 0;
}
.gps-panel-body strong {
  display: block;
  font-size: 0.98rem;
  font-weight: 750;
  margin-bottom: 0.18rem;
  color: var(--soil);
}
.gps-panel-text {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--muted);
  word-break: break-word;
}
.walk-actions {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 0.45rem;
  margin: 0.35rem 0 0.55rem;
}
.walk-actions.sticky-actions {
  position: sticky;
  top: 4.6rem;
  z-index: 3;
  padding: 0.35rem 0;
  background: linear-gradient(180deg, rgba(232, 239, 227, 0.96), rgba(232, 239, 227, 0.88));
}
.close-tip {
  margin: 0 0 0.55rem;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.4;
}
.close-tip.hidden { display: none !important; }
.close-tip.is-approach {
  background: rgba(202, 138, 4, 0.16);
  border: 1.5px solid rgba(202, 138, 4, 0.45);
  color: #92400e;
}
.close-tip.is-closed {
  background: rgba(47, 122, 74, 0.16);
  border: 1.5px solid rgba(47, 122, 74, 0.5);
  color: #166534;
}
.close-tip.is-overlap {
  background: rgba(185, 28, 28, 0.12);
  border: 1.5px solid rgba(185, 28, 28, 0.4);
  color: #7f1d1d;
}
.walk-actions .btn {
  min-height: 3.4rem;
  font-size: 0.95rem;
  margin-top: 0;
  box-shadow: none;
}
.wells-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.85rem;
}
.well-card {
  background: var(--glass-strong);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 14px;
  padding: 0.9rem 0.95rem;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
}
.well-card .name {
  font-size: 1.1rem;
  font-weight: 750;
  margin: 0 0 0.25rem;
}
.well-card .meta {
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0 0 0.65rem;
  line-height: 1.35;
}
.well-card .actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}
.well-card .actions .btn { min-height: 3.4rem; }
.well-card .st-run { color: #0369a1; font-weight: 700; }
.well-card .st-off { color: var(--muted); }
.well-card .st-online { color: var(--ok); font-weight: 650; }
.btn:active { transform: scale(0.985); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.back {
  border: 0;
  background: transparent;
  color: var(--ok);
  font: inherit;
  font-size: 1rem;
  font-weight: 650;
  padding: 0.25rem 0;
  margin-bottom: 0.35rem;
  cursor: pointer;
}
.action-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin-bottom: 0.9rem;
}
.action-grid .btn {
  min-height: 3.6rem;
  background: var(--glass-strong);
  border: 2px solid var(--line);
  color: var(--ink);
  font-size: 1.05rem;
  box-shadow: none;
}
.action-grid .btn.active {
  border-color: var(--ok);
  background: rgba(47, 122, 74, 0.12);
  color: var(--ok);
}
.gps, .baseline {
  padding: 0.7rem 0.8rem;
  background: var(--glass);
  border-radius: 12px;
  border: 1px solid var(--line);
  font-size: 0.92rem;
  line-height: 1.35;
  margin: 0 0 0.65rem;
  backdrop-filter: blur(8px);
}
.warn {
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  background: rgba(185, 28, 28, 0.1);
  border: 1px solid rgba(185, 28, 28, 0.35);
  color: #7f1d1d;
  font-size: 0.95rem;
  line-height: 1.4;
  margin: 0.5rem 0 0.75rem;
}
.warn.hidden, .hidden { display: none !important; }
.msg {
  min-height: 1.4em;
  margin: 0.65rem 0 0;
  color: var(--ok);
  font-size: 0.95rem;
  line-height: 1.35;
}
.msg.err { color: var(--danger); }
.home-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  margin-top: 0.55rem;
  padding-top: 0.35rem;
  font-size: 0.92rem;
}
.home-links a, .linkish {
  color: var(--ok);
  text-decoration: none;
  background: none;
  border: 0;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  padding: 0;
}
.photo-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 0.75rem;
}
.photo-preview img {
  width: 5.2rem;
  height: 5.2rem;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.subh {
  margin: 1.25rem 0 0.5rem;
  font-size: 1.05rem;
}
.lend-card {
  background: var(--glass-strong);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 14px;
  padding: 0.8rem 0.9rem;
  margin-bottom: 0.65rem;
  box-shadow: var(--shadow-soft);
}
.lend-card .tag-out {
  color: var(--danger);
  font-weight: 650;
  font-size: 0.85rem;
}
.glass-panel {
  padding: 1rem 0.95rem 1.15rem;
  border-radius: var(--radius);
  background: var(--glass-strong);
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
  margin-bottom: 0.85rem;
}