:root {
  --bg: #f4f3ee;
  --surface: #ffffff;
  --surface-muted: #f0efe9;
  --border: #ddd9cf;
  --text-primary: #232220;
  --text-secondary: #6b6a63;
  --text-muted: #9a988e;
  --accent: #1d6fa5;
  --accent-bg: #e6f1fb;
  --accent-border: #85b7eb;
  --brand: #d85a30;
  --brand-text: #ffffff;
  --success: #3b8f2c;
  --success-bg: #eaf3de;
  --warning: #ba7517;
  --danger: #c23c3c;
  --danger-bg: #fcebeb;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  -webkit-tap-highlight-color: transparent;
}

.app-shell {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

.app-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.app-title {
  font-size: 17px;
  font-weight: 600;
}

.app-content {
  flex: 1;
  padding: 14px 14px 90px;
}

.bottom-nav {
  display: flex;
  background: var(--surface);
  border-top: 1px solid var(--border);
  box-shadow: 0 -2px 8px rgba(0,0,0,0.04);
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  text-align: center;
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 12px;
  border-right: 1px solid var(--border);
}
.nav-item:last-child { border-right: none; }

.nav-icon { width: 22px; height: 22px; }

.nav-item.active {
  color: var(--accent);
  font-weight: 600;
  background: var(--accent-bg);
}

/* Stat block */
.stat-block { padding: 6px 2px 4px; }
.stat-label { font-size: 12px; color: var(--text-muted); margin: 0 0 2px; }
.stat-value { font-size: 30px; font-weight: 600; margin: 0; }
.stat-sub { font-size: 12px; color: var(--text-muted); margin: 2px 0 0; }
.stat-sub-inline { font-size: 12px; color: var(--text-muted); font-weight: 400; }

.mini-stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface-muted);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 13px;
  color: var(--text-secondary);
  margin: 10px 0;
}
.mini-stat-value { font-weight: 600; color: var(--text-primary); font-size: 14px; }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin: 10px 0;
}

.pending-card { background: var(--accent-bg); border-color: var(--accent-border); }
.pending-title { font-size: 13px; font-weight: 600; color: var(--accent); margin: 0 0 10px; }

.chip-row { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.chip {
  font-size: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 10px;
}
.chip-success { border-color: var(--success); color: var(--success); }
.chip-muted { color: var(--text-muted); }

.weight-row { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
.weight-before-form { margin-top: 10px; }

.after-form { margin: 10px 0; padding: 10px 0; border-top: 1px dashed var(--border); border-bottom: 1px dashed var(--border); }

.poo-level-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0;
  padding: 8px;
  background: var(--surface-muted);
  border-radius: var(--radius);
}
.poo-level-group .checkbox-pill { background: var(--surface); }

/* Buttons */
.btn {
  display: inline-block;
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-primary);
  text-decoration: none;
  cursor: pointer;
  min-height: 44px;
}
.btn:active { transform: scale(0.98); }
.btn-block { display: block; width: 100%; }
.btn-large { font-size: 16px; padding: 16px; }
.btn-small { font-size: 13px; padding: 8px 12px; min-height: auto; }
.btn-quick { flex: 1; }

.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-brand { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-secondary { background: var(--surface); color: var(--text-primary); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text-secondary); }
.btn-danger { background: var(--danger-bg); border-color: var(--danger); color: var(--danger); }

.inline-form { margin: 8px 0 0; display: flex; gap: 8px; }
.inline-form input[type="number"],
.inline-form input[type="datetime-local"] { flex: 1; }

.manual-time { margin-top: 8px; font-size: 13px; color: var(--text-secondary); }
.manual-time summary { cursor: pointer; padding: 4px 0; }
.manual-time input[type="datetime-local"] { margin-top: 6px; }

.quick-add-row { display: flex; gap: 6px; margin: 12px 0; }
.quick-add-row .btn-quick { font-size: 13px; padding: 10px 4px; }

.exercise-inline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  margin: 10px 0;
}

/* Progress bars */
.section-label { font-size: 12px; color: var(--text-muted); margin: 14px 0 8px; text-transform: none; }
.section-label-row { display: flex; justify-content: space-between; align-items: center; margin: 14px 0 8px; }
.progress-list { display: flex; flex-direction: column; gap: 10px; }
.progress-row-top { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 4px; }
.progress-count { color: var(--text-secondary); }
.progress-track { height: 7px; background: var(--surface-muted); border-radius: 4px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); border-radius: 4px; }
.progress-fill.progress-done { background: var(--success); }

/* Milk intake meter */
.milk-meter { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; }
.milk-meter-top { display: flex; align-items: baseline; gap: 6px; margin-bottom: 6px; }
.milk-total { font-size: 20px; font-weight: 600; }
.milk-target { font-size: 12px; color: var(--text-muted); }
.milk-note { font-size: 12px; color: var(--text-secondary); margin: 8px 0 0; }
.milk-meter .milk-fill { background: var(--accent); }
.milk-blue .milk-fill { background: var(--accent); }
.milk-green .milk-fill { background: var(--success); }
.milk-yellow .milk-fill { background: var(--warning); }
.milk-yellow .milk-total { color: var(--warning); }
.milk-neutral .milk-fill { background: var(--text-muted); }

.milk-legend { font-size: 11px; color: var(--text-muted); margin: 8px 0 0; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.legend-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 3px; }
.legend-blue { background: var(--accent); }
.legend-green { background: var(--success); margin-left: 8px; }
.legend-yellow { background: var(--warning); margin-left: 8px; }

/* Charts */
.chart-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
}

.range-toggle { display: flex; gap: 4px; font-size: 12px; }
.range-toggle a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 3px 8px;
  border-radius: 6px;
}
.range-toggle a.active { background: var(--surface-muted); color: var(--text-primary); font-weight: 600; }

/* Forms */
.form-card label, .field-label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin: 12px 0 4px;
}
.form-card label:first-child, .field-label:first-child { margin-top: 0; }

input[type="text"], input[type="number"], input[type="password"],
input[type="datetime-local"], textarea {
  width: 100%;
  font-size: 15px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text-primary);
}

textarea { resize: vertical; font-family: inherit; }

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.checkbox-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0 12px;
  font-size: 14px;
  background: var(--surface);
  white-space: nowrap;
  overflow: hidden;
}
.checkbox-pill span { overflow: hidden; text-overflow: ellipsis; }
.checkbox-pill input { width: 16px; height: 16px; }

.page-title { font-size: 19px; font-weight: 600; margin: 4px 0 12px; }
.delete-form { margin-top: 8px; }
.back-link {
  display: block;
  text-align: center;
  margin-top: 14px;
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
}

/* Tabs / history */
.tab-row { display: flex; gap: 6px; margin-bottom: 10px; overflow-x: auto; }
.tab {
  padding: 8px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  font-size: 13px;
  text-decoration: none;
  color: var(--text-secondary);
  white-space: nowrap;
}
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.add-btn { margin-bottom: 10px; }

.pagination { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin: 16px 0 4px; }
.pagination-info { font-size: 12px; color: var(--text-muted); text-align: center; flex: 1; }
.btn-disabled { opacity: 0.4; pointer-events: none; }

.list { display: flex; flex-direction: column; gap: 8px; }
.list-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  text-decoration: none;
  color: var(--text-primary);
  gap: 10px;
}
.list-row-main { display: flex; flex-direction: column; min-width: 0; }
.list-row-title { font-weight: 600; font-size: 14px; }
.list-row-sub {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.list-row-meta {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: 11px;
  color: var(--text-muted);
}
.tag {
  background: var(--surface-muted);
  border-radius: 10px;
  padding: 2px 7px;
}
.tag-pending { background: var(--accent-bg); color: var(--accent); }

.empty-state { color: var(--text-muted); font-size: 14px; text-align: center; padding: 24px 0; }

.hint-text { font-size: 12px; color: var(--text-muted); margin: 0 0 10px; }
.plain-list { margin: 0; padding-left: 18px; font-size: 14px; color: var(--text-secondary); }
.plain-list li { margin-bottom: 4px; }

/* Login */
.login-wrap { padding-top: 15vh; }
.login-title { text-align: center; font-size: 24px; margin-bottom: 20px; }
.error-text { color: var(--danger); font-size: 13px; margin: 0 0 10px; }