:root {
  --bg: #0b0f14;
  --card: #141b24;
  --card-2: #1c2532;
  --text: #e8eef6;
  --muted: #8497ad;
  --accent: #4ade80;
  --accent-dim: #22c55e;
  --danger: #ff6b6b;
  --warn: #f59e0b;
  --border: #26313f;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}
body {
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  min-height: 100vh;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.tiny { font-size: 12px; }

/* Onboarding */
.onboard-wrap {
  max-width: 480px;
  margin: 0 auto;
  padding: 32px 20px;
}
.onboard-wrap h1 {
  margin: 0 0 8px;
  font-size: 28px;
  letter-spacing: -0.5px;
}
.onboard-wrap .lead {
  color: var(--muted);
  margin-bottom: 24px;
}
label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}
/* Toggle-style checkbox (pill with switch) */
label.check {
  display: flex;
  flex-direction: row-reverse;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  margin-top: 4px;
  user-select: none;
  transition: border-color 0.15s, background 0.15s;
}
label.check input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 38px;
  height: 22px;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  position: relative;
  margin: 0;
  padding: 0;
  flex-shrink: 0;
  cursor: pointer;
  transition: background 0.2s;
}
label.check input[type="checkbox"]::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: var(--muted);
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s;
}
label.check input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}
label.check input[type="checkbox"]:checked::after {
  transform: translateX(16px);
  background: #0b0f14;
}
label.check:has(input:checked) {
  border-color: rgba(74, 222, 128, 0.4);
  background: rgba(74, 222, 128, 0.05);
}
input, select {
  width: 100%;
  padding: 12px 14px;
  margin-top: 4px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 16px;
  font-family: inherit;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }
.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

button {
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 18px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
}
button.primary {
  background: var(--accent);
  color: #0b0f14;
  width: 100%;
}
button.primary:disabled { background: #2a3543; color: var(--muted); }
button.ghost {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}
button.ghost.full { width: 100%; margin-top: 20px; }
button.danger {
  background: var(--danger);
  color: #fff;
  width: 100%;
}
button.small { padding: 8px 12px; font-size: 13px; }
button.icon-btn {
  background: transparent;
  color: var(--text);
  font-size: 22px;
  padding: 8px 12px;
}

#ob-result { margin-top: 24px; }
.tdee-box {
  background: var(--card);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--muted);
}
.tdee-box b { color: var(--accent); font-size: 20px; font-weight: 800; }
.tdee-formula { margin-top: 2px; font-size: 11px; }

/* Body fat reference image inside disclosure */
.bf-ref { padding: 0 12px 12px; }
.bf-ref img {
  width: 100%;
  border-radius: 8px;
  display: block;
  margin-bottom: 8px;
}

.goal-feedback {
  margin: 10px 0 16px;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  font-size: 13px;
}
.goal-feedback.ok { border-color: rgba(74, 222, 128, 0.3); }
.goal-feedback.warn { border-color: rgba(245, 158, 11, 0.35); background: rgba(245, 158, 11, 0.05); }
.goal-feedback.danger { border-color: rgba(239, 68, 68, 0.4); background: rgba(239, 68, 68, 0.06); }
.goal-feedback.neutral { border-color: var(--border); }
.goal-feedback:empty { display: none; }
.fb-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 3px 0;
}
.fb-row span { color: var(--muted); font-size: 12px; }
.fb-row b { font-weight: 700; font-size: 14px; font-variant-numeric: tabular-nums; }
.fb-note {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text);
}
.goal-feedback.ok .fb-note { color: var(--accent); }
.goal-feedback.warn .fb-note { color: var(--warn); }
.goal-feedback.danger .fb-note { color: var(--danger); }

/* Main app */
#app {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px 16px 80px;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.date { font-weight: 700; font-size: 16px; }

.ring-card {
  position: relative;
  background: var(--card);
  border-radius: 20px;
  padding: 20px 20px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 10px;
}
.ring { width: 200px; height: 200px; transform: rotate(-90deg); }
.ring-stats {
  display: flex;
  justify-content: space-around;
  width: 100%;
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--card-2);
}
.ring-stats > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.ring-stats small {
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.ring-stats b {
  font-size: 16px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.ring-bg { fill: none; stroke: var(--card-2); stroke-width: 10; }
.ring-fg {
  fill: none;
  stroke: var(--accent);
  stroke-width: 10;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.5s ease;
}
.ring-fg.over { stroke: var(--danger); }
.ring-center {
  position: absolute;
  top: calc(20px + 100px);
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.kcal-remaining { font-size: 42px; font-weight: 800; letter-spacing: -1px; }

/* Macros: protein bar above, carbs+fat as inline chips */
.macros-inline {
  background: var(--card);
  border-radius: 12px;
  padding: 10px 14px 12px;
  margin-bottom: 10px;
}
.protein-strip { margin-bottom: 8px; }
.ps-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 5px;
}
.ps-label b { color: #a78bfa; font-weight: 800; font-size: 14px; text-transform: none; letter-spacing: 0; }
.ps-label span:last-child { color: var(--muted); text-transform: none; letter-spacing: 0; font-size: 12px; font-variant-numeric: tabular-nums; }
.macros-bar {
  background: var(--card-2);
  height: 5px;
  border-radius: 3px;
  overflow: hidden;
}
.macros-fill {
  height: 100%;
  background: #a78bfa;
  border-radius: 3px;
  transition: width 0.3s ease;
  width: 0;
}
.macros-fill.met { background: var(--accent); }
.cf-chips {
  display: flex;
  gap: 14px;
  padding-top: 8px;
  border-top: 1px solid var(--card-2);
}
.cf {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: 12px;
}
.cf b { font-weight: 700; font-size: 14px; font-variant-numeric: tabular-nums; }
.cf small { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.4px; }
.cf.c b { color: #fbbf24; }
.cf.f b { color: #f87171; }

/* Macro pills (inline on meal items) */
.macro-pill {
  display: inline-block;
  margin-left: 4px;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.macro-pill.p { background: rgba(167, 139, 250, 0.15); color: #c4b5fd; }
.macro-pill.c { background: rgba(251, 191, 36, 0.15); color: #fcd34d; }
.macro-pill.f { background: rgba(248, 113, 113, 0.15); color: #fca5a5; }

/* 3-column macro inputs in dialog */
.macro-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 6px;
}
.macro-row label { margin-bottom: 0; }
.macro-row label span { font-weight: 700; }

.self-end { align-self: end; padding-bottom: 12px; }

.penalty {
  background: rgba(220, 38, 38, 0.08);
  color: #fca5a5;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 12.5px;
  margin-bottom: 12px;
  border: 1px solid rgba(220, 38, 38, 0.25);
  line-height: 1.5;
}
.penalty > div { display: block; }

/* Tabs */
.tabs {
  display: flex;
  background: var(--card);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 14px;
  gap: 2px;
}
.tab {
  flex: 1;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  padding: 10px 4px;
  font-weight: 600;
}
.tab.active {
  background: var(--card-2);
  color: var(--text);
}

.tab-panel { min-height: 200px; }

.list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.empty {
  text-align: center;
  color: var(--muted);
  padding: 32px 0;
  font-size: 14px;
}
.item {
  background: var(--card);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.item-name { font-weight: 600; font-size: 15px; }
.item-meta { color: var(--muted); font-size: 12px; margin-top: 2px; }
.item-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.item-kcal { font-weight: 700; font-size: 15px; color: var(--accent); }
.item-kcal.over { color: var(--danger); }
.item-kcal.under { color: var(--accent); }
.x {
  background: transparent;
  color: var(--muted);
  font-size: 20px;
  padding: 4px 10px;
}

.add-bar {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 8px;
  margin-bottom: 20px;
}

/* Sub-sections inside workout tab */
.sub-section { margin-bottom: 18px; }
.sub-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}
.chip-btn {
  background: var(--card);
  color: var(--accent);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--border);
}
.item.plan-done { opacity: 0.55; }

/* Inline favorite chips in add dialogs */
.chips-label {
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.chip {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  display: inline-flex;
  gap: 6px;
  align-items: baseline;
}
.chip small { color: var(--muted); font-size: 11px; font-weight: 500; }
.chip:active { background: var(--card-2); }

/* Type toggle for workout dialog */
.type-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  background: var(--card);
  padding: 4px;
  border-radius: 10px;
  margin-bottom: 14px;
}
.wtype {
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  padding: 8px;
  font-weight: 600;
  border-radius: 8px;
}
.wtype.active { background: var(--card-2); color: var(--text); }

/* Food search */
.search-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px;
  margin-bottom: 8px;
}
.search-row input { margin-top: 0; }
.search-results {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
  max-height: 240px;
  overflow-y: auto;
}
.search-hit {
  display: flex;
  align-items: stretch;
  gap: 4px;
}
.sh-body {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  text-align: left;
  padding: 10px 12px;
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  min-width: 0;
}
.sh-body:active { background: var(--card-2); }
.sh-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sh-kcal { color: var(--muted); font-size: 12px; flex-shrink: 0; }
.sh-star {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0 14px;
  border-radius: 8px;
  font-size: 18px;
  flex-shrink: 0;
  transition: color 0.2s, border-color 0.2s;
}
.sh-star.saved {
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.4);
  background: rgba(251, 191, 36, 0.08);
}
.sh-star:active { transform: scale(0.92); }

/* Gym session */
.gym-ex-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 10px;
}
.gym-ex {
  background: var(--card);
  border-radius: 10px;
  padding: 10px;
}
.gym-ex-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px;
  align-items: center;
  margin-bottom: 8px;
}
.gym-ex-name {
  margin-top: 0;
  font-weight: 600;
}
.gym-sets {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.gym-set {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto;
  gap: 6px;
  align-items: center;
}
.set-label { font-size: 11px; color: var(--muted); font-weight: 700; min-width: 42px; }
.gym-set input {
  margin-top: 0;
  padding: 8px 10px;
  font-size: 14px;
}
.gym-set .mul { color: var(--muted); font-size: 13px; }
.chip-btn.small { padding: 4px 10px; font-size: 11px; }

/* Workout item expansion */
.workout-item {
  flex-direction: column;
  align-items: stretch;
}
.wi-main { width: 100%; }
.wi-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.wi-expand {
  background: transparent;
  color: var(--muted);
  padding: 4px 8px;
  font-size: 12px;
  margin-top: 4px;
  border-radius: 6px;
  width: auto;
}
.wi-details {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.wi-ex-name { font-weight: 600; font-size: 13px; margin-bottom: 4px; }
.wi-sets {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.set-chip {
  background: var(--card-2);
  color: var(--text);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* Settings modal header + tabs */
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.modal-header h2 { margin: 0; }
.set-tabs {
  display: flex;
  background: var(--card);
  border-radius: 10px;
  padding: 3px;
  gap: 2px;
  margin-bottom: 18px;
}
.set-tab {
  flex: 1;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  padding: 8px 6px;
  font-weight: 600;
  border-radius: 8px;
}
.set-tab.active { background: var(--card-2); color: var(--text); }
.set-panel h3:first-child { margin-top: 0; }

/* Disclosure / details */
.disclosure {
  background: var(--card);
  border-radius: 10px;
  margin: 10px 0;
  overflow: hidden;
}
.disclosure.sub {
  background: transparent;
  border: 1px dashed var(--border);
  margin: 10px 0 0;
}
.disclosure > summary {
  cursor: pointer;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.disclosure > summary::-webkit-details-marker { display: none; }
.disclosure .chev { font-size: 10px; transition: transform 0.2s; }
.disclosure[open] > summary .chev { transform: rotate(90deg); }
.disclosure[open] > summary { color: var(--text); }
.disclosure-body { padding: 4px 14px 14px; }
.disclosure.sub > summary { padding: 8px 12px; font-size: 12px; }
.disclosure.sub .macro-row { padding: 0 12px 12px; }

/* Language toggle */
.lang-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 14px;
}
.lang-btn {
  background: var(--card);
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 10px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
}
.lang-btn.active {
  background: var(--card-2);
  color: var(--accent);
  border-color: var(--accent);
}

/* Modals */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: flex-end;
  z-index: 100;
  padding: 0;
}
.modal-card {
  background: var(--bg);
  width: 100%;
  max-width: 480px;
  border-radius: 20px 20px 0 0;
  padding: 20px;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--border);
}
.modal-card h2 { margin: 0 0 16px; font-size: 20px; }
.modal-card h3 { margin: 20px 0 10px; font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.modal-card .row { margin-bottom: 8px; }

.fav-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.fav-row {
  background: var(--card);
  border-radius: 8px;
  padding: 8px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}
.fav-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}
.fav-pick {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  text-align: left;
  padding: 12px;
  border-radius: 10px;
}
.fav-pick small { display: block; color: var(--muted); font-weight: normal; margin-top: 4px; }

.topbar-actions { display: flex; gap: 2px; }
.topbar-left { min-width: 0; }
.icon-btn:active { opacity: 0.6; }

/* Weight trend */
.trend-card {
  background: var(--card);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 14px;
}
.trend-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.trend-kg { font-size: 24px; font-weight: 800; letter-spacing: -0.5px; }
.trend-delta { color: var(--muted); font-size: 13px; margin-top: 4px; }
.trend-delta .under { color: var(--accent); font-weight: 700; }
.trend-delta .over { color: var(--warn); font-weight: 700; }
.spark { width: 140px; height: 40px; color: var(--accent); flex-shrink: 0; }

/* Section headers inside history */
.section-h {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin: 20px 0 10px;
}

/* Heatmap */
.heatmap-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}
.htab {
  background: var(--card);
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
}
.htab.active { background: var(--card-2); color: var(--text); }
.heatmap-stats {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}
.heatmap-scroll {
  overflow-x: auto;
  background: var(--card);
  border-radius: 10px;
  padding: 10px;
  -webkit-overflow-scrolling: touch;
}
.heatmap {
  width: 780px;
  height: 116px;
  display: block;
}
.hm.lv0 { fill: #1c2532; }
.hm.lv1 { fill: #1f4a2a; }
.hm.lv2 { fill: #2d7a3f; }
.hm.lv3 { fill: #3fa855; }
.hm.lv4 { fill: #4ade80; }
.hm.hm-today {
  stroke: #fbbf24;
  stroke-width: 1.5;
  paint-order: stroke;
}
.hm-axis {
  fill: var(--muted);
  font-size: 9px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 8px 0 16px;
  font-size: 11px;
  color: var(--muted);
}
.lg-cell { width: 12px; height: 12px; border-radius: 2px; display: inline-block; }
.lg-cell.lv0 { background: #1c2532; }
.lg-cell.lv1 { background: #1f4a2a; }
.lg-cell.lv2 { background: #2d7a3f; }
.lg-cell.lv3 { background: #3fa855; }
.lg-cell.lv4 { background: #4ade80; }

/* Photos */
.photo-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 16px;
}
.photo-cell {
  position: relative;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  background: var(--card);
  cursor: pointer;
}
.photo-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.photo-meta {
  position: absolute;
  inset: auto 0 0 0;
  padding: 3px 6px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: #fff;
  font-weight: 600;
}

@media (min-width: 540px) {
  .modal { align-items: center; }
  .modal-card { border-radius: 20px; max-height: 80vh; }
}