:root {
  --mountain-primary: #2e7d6e;
  --top-bar-fill: #f5f9f7;
  --top-bar-stroke: #b8d4c8;
  --totals-bg: #e8f5f3;
  --text: #1a1a1a;
  --muted: #5c6b66;
  --bg: #f7faf9;
  --card: #ffffff;
  --danger: #b3261e;
  --tap: 44px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
}
body {
  padding-bottom: env(safe-area-inset-bottom);
}
button, input, select, textarea {
  font: inherit;
}
.hidden { display: none !important; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
.spacer { flex: 1; }
.muted { color: var(--muted); font-size: 13px; }

.auth-screen, .app-screen {
  min-height: 100dvh;
}
.app-screen {
  display: flex;
  flex-direction: column;
}
.app-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.auth-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-card {
  width: min(420px, 100%);
  background: var(--card);
  border: 1px solid var(--top-bar-stroke);
  border-radius: 16px;
  padding: 24px;
  display: grid;
  gap: 12px;
}
.auth-card h1 { color: var(--mountain-primary); margin: 0; }
.auth-lead { color: var(--muted); margin: 0; }
.auth-card label { display: grid; gap: 6px; font-weight: 600; }
.auth-card input, .sheet-card input, .sheet-card select, .sheet-card textarea {
  min-height: var(--tap);
  padding: 10px 12px;
  border: 1px solid var(--top-bar-stroke);
  border-radius: 10px;
  width: 100%;
}
.auth-actions, .sheet-actions { display: flex; gap: 8px; }
.btn-primary, .btn-secondary, .text-btn {
  min-height: var(--tap);
  min-width: var(--tap);
  padding: 8px 14px;
  border-radius: 10px;
  border: 0;
  cursor: pointer;
}
.btn-primary { background: var(--mountain-primary); color: #fff; }
.btn-secondary { background: #d7ebe6; color: var(--mountain-primary); }
.text-btn { background: transparent; color: var(--mountain-primary); font-weight: 600; }
.icon-btn {
  width: var(--tap);
  height: var(--tap);
  border: 0;
  background: transparent;
  border-radius: 22px;
  cursor: pointer;
  font-size: 20px;
}
.icon-btn.active { background: #d7ebe6; }
.icon-btn.attention { color: var(--danger); }
.error { color: var(--danger); margin: 0; overflow-wrap: anywhere; }

.top-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  margin: 8px 12px 0;
  padding: 8px 12px;
  background: var(--top-bar-fill);
  border: 1px solid var(--top-bar-stroke);
  border-radius: 12px;
}
.top-bar h1 {
  flex: 1 0 100%;
  margin: 0;
  font-size: 18px;
  color: var(--mountain-primary);
}
.month-nav, .date-row, .section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
}
.month-title { font-weight: 700; font-size: 18px; }
.date-chip {
  min-height: var(--tap);
  border: 1px solid var(--top-bar-stroke);
  border-radius: 999px;
  background: var(--card);
  color: var(--text);
  font-size: 16px;
  padding: 8px 14px;
}
.section-header h2 { margin: 0; font-size: 18px; flex: 1; }
.history-showing {
  margin: 0;
  padding: 0 16px 8px;
  color: var(--muted);
  font-size: 14px;
}
.history-section, .ponds-section {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.history-section { flex: 1; }
.card-list {
  list-style: none;
  margin: 0;
  padding: 0 12px 8px;
  display: grid;
  gap: 8px;
  align-content: start;
  overflow: auto;
  flex: 1;
  min-height: 8rem;
}
.ponds-section .card-list {
  flex: none;
  max-height: none;
  overflow: visible;
}
.empty-hint {
  text-align: center;
  color: var(--muted);
  padding: 28px 12px;
  font-size: 15px;
}
.card {
  background: var(--card);
  border: 1px solid var(--top-bar-stroke);
  border-radius: 12px;
  padding: 12px;
  display: grid;
  gap: 4px;
}
.card-top {
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-top strong { flex: 1; min-width: 0; }
.tx-amount {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  white-space: nowrap;
}
.tx-meta, .pond-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.tx-meta span { flex: 1; min-width: 0; }
.row-actions { display: flex; gap: 4px; justify-content: flex-end; }
.totals-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--totals-bg);
  padding: 10px 16px;
  font-weight: 700;
}
.transfer-totals { text-align: right; }
.transfer-totals select { min-height: 36px; }
.footer-line {
  margin: 0;
  padding: 8px 16px 20px;
  color: var(--muted);
  font-size: 12px;
}
.drag-handle {
  cursor: grab;
  min-width: 28px;
  text-align: center;
  color: var(--muted);
}

.sheet {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: flex-end;
  z-index: 20;
}
.sheet-card {
  background: var(--card);
  width: 100%;
  max-height: 94dvh;
  overflow: auto;
  border-radius: 16px 16px 0 0;
  padding: 16px 16px calc(16px + env(safe-area-inset-bottom));
  display: grid;
  gap: 10px;
}
.sheet-card h3 { margin: 0; }
.comment-suggest {
  max-height: 132px;
  overflow-y: auto;
  border: 1px solid var(--top-bar-stroke);
  border-radius: 10px;
  background: var(--card);
}
.comment-suggest-item {
  display: block;
  width: 100%;
  min-height: var(--tap);
  padding: 8px 12px;
  border: 0;
  background: transparent;
  text-align: left;
  color: var(--text);
  cursor: pointer;
}
.comment-suggest-item:hover,
.comment-suggest-item:focus {
  background: var(--totals-bg);
}
.tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.tab {
  min-height: var(--tap);
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--mountain-primary);
  background: #fff;
  color: var(--mountain-primary);
}
.tab.on {
  background: var(--mountain-primary);
  color: #fff;
}
.day-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}
.day-cell {
  min-height: var(--tap);
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #fff;
}
.day-cell.on {
  background: var(--mountain-primary);
  color: #fff;
  border-color: var(--mountain-primary);
}
.icon-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
}
.bucket {
  border: 1px solid var(--top-bar-stroke);
  border-radius: 10px;
  padding: 10px;
  display: grid;
  gap: 8px;
}
.scale {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--muted);
}

.preview {
  position: fixed;
  inset: 0;
  background: #111;
  color: #fff;
  z-index: 30;
  display: flex;
  flex-direction: column;
}
.preview-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px;
}
.preview-title { flex: 1; }
.preview-hint { margin: 0; padding: 0 12px 8px; color: #ccc; font-size: 13px; }
.preview-stage {
  flex: 1;
  overflow: hidden;
  touch-action: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
.preview-stage img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  transform-origin: center center;
}

.local-files-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.local-files-actions button {
  flex: 1 1 140px;
}
.local-files-status {
  margin: 0;
  font-weight: 600;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: #333;
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  z-index: 40;
  max-width: 90%;
}

.collapsed .ponds-body { display: none; }

@media (min-width: 800px) {
  .top-bar h1 { flex-basis: auto; }
  .app-body {
    flex-direction: row;
    align-items: stretch;
    gap: 8px;
    padding: 0 8px 12px;
  }
  .history-section { flex: 1.4; min-width: 0; }
  .ponds-section {
    flex: 1;
    min-width: 280px;
    max-width: 420px;
    overflow: auto;
  }
  .ponds-section .card-list {
    overflow: auto;
    flex: 1;
  }
}

.analysis-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}
.analysis-check input { width: auto; min-height: var(--tap); }
.analysis-snapshot, .analysis-over-row {
  color: var(--text);
  padding: 4px 0;
}
.analysis-over { color: var(--mountain-primary); font-weight: 700; }
.analysis-month-chart {
  display: flex;
  align-items: stretch;
  gap: 8px;
  height: 160px;
}
.analysis-month-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.analysis-month-track {
  flex: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.analysis-month-fill {
  width: 60%;
  background: var(--mountain-primary);
  border-radius: 4px 4px 0 0;
}
.analysis-month-label {
  text-align: center;
  font-size: 12px;
  color: var(--text);
  padding-top: 4px;
}
.analysis-pond-row {
  display: grid;
  grid-template-columns: 88px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 6px 0;
}
.analysis-pond-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.analysis-pond-track {
  height: 12px;
  background: var(--totals-bg);
  border-radius: 6px;
}
.analysis-pond-fill {
  height: 12px;
  background: var(--mountain-primary);
  border-radius: 6px;
}