/* DiaBuddy – quiet light: graphite on soft grey, Inter, one deep-red brand mark.
   Red is kept for warnings, so buttons and the dose card are graphite. */

@font-face {
  font-family: "Inter";
  src: url("fonts/inter-latin.woff2") format("woff2");
  font-weight: 400 800;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg: #f5f5f7;
  --card: #ffffff;
  --card-raised: #ffffff;
  --sheet-bg: #f5f5f7;
  --label: #1d1d1f;
  --label-2: #6e6e73;
  --label-3: #aeaeb2;
  --sep: rgba(0, 0, 0, 0.08);
  --fill: rgba(0, 0, 0, 0.04);
  --fill-2: rgba(0, 0, 0, 0.08);
  --tint: #1d1d1f;
  --tint-soft: rgba(0, 0, 0, 0.05);
  --on-tint: #ffffff;
  --brand: #b5122b;
  --chart: #3a6ea5;
  --green: #1f7a45;
  --green-soft: rgba(31, 122, 69, 0.08);
  --red: #c0221a;
  --red-soft: rgba(192, 34, 26, 0.08);
  --orange: #8a5300;
  --orange-soft: rgba(196, 120, 0, 0.1);
  --material: rgba(250, 250, 252, 0.82);
  --material-edge: rgba(0, 0, 0, 0.08);
  --scrim: rgba(0, 0, 0, 0.28);
  --sheet-shadow: 0 -12px 40px rgba(0, 0, 0, 0.1);
  --card-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  --avatar-mix: 0%;

  --radius: 16px;
  --gutter: 16px;
  --tabbar-h: 54px;
  --tray-peek: 80px;
  --safe-b: env(safe-area-inset-bottom, 0px);

  font: 100%/1.45 "Inter", system-ui, "Segoe UI", Roboto, sans-serif; /* 16px body */
  font-optical-sizing: auto;
  font-feature-settings: "cv11", "ss03";
  color-scheme: light dark;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --card: #1c1c1e;
    --card-raised: #2c2c2e;
    --sheet-bg: #1c1c1e;
    --label: #f5f5f7;
    --label-2: #a1a1a6;
    --label-3: #636366;
    --sep: rgba(255, 255, 255, 0.1);
    --fill: rgba(255, 255, 255, 0.06);
    --fill-2: rgba(255, 255, 255, 0.12);
    --tint: #f5f5f7;
    --tint-soft: rgba(255, 255, 255, 0.08);
    --on-tint: #1d1d1f;
    --brand: #ff5a6a;
    --chart: #5b8fd6;
    --green: #4cd27e;
    --green-soft: rgba(76, 210, 126, 0.12);
    --red: #ff6b60;
    --red-soft: rgba(255, 107, 96, 0.14);
    --orange: #ffbf5a;
    --orange-soft: rgba(255, 191, 90, 0.12);
    --material: rgba(22, 22, 24, 0.82);
    --material-edge: rgba(255, 255, 255, 0.08);
    --scrim: rgba(0, 0, 0, 0.6);
    --sheet-shadow: 0 -12px 40px rgba(0, 0, 0, 0.6);
    --card-shadow: none;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { background: var(--bg); }
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--label);
  overscroll-behavior-y: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
}
body.locked { overflow: hidden; }

button, input, select, textarea { font: inherit; color: inherit; }
button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}
[hidden] { display: none !important; }
svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- Layout ---------- */

.app {
  max-width: 680px;
  margin: 0 auto;
  padding-top: env(safe-area-inset-top, 0px);
}
.screen {
  padding-bottom: calc(var(--tabbar-h) + var(--safe-b) + 32px);
  animation: screen-in 220ms ease-out;
}
body.has-tray .screen { padding-bottom: calc(var(--tabbar-h) + var(--safe-b) + var(--tray-peek) + 32px); }
@keyframes screen-in { from { opacity: 0; } }

.nav { padding: 12px calc(var(--gutter) + 4px) 8px; }
.eyebrow {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--tint);
}
.large-title {
  margin: 2px 0 0;
  font-size: 2.125rem;
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.015em;
}

/* ---------- Search, chips, quick actions ---------- */

.search-bar {
  position: sticky;
  top: 0;
  z-index: 5;
  padding: 8px var(--gutter);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
}
.search {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 10px;
  border-radius: 10px;
  background: var(--fill);
  color: var(--label-2);
}
.search svg { width: 18px; height: 18px; }
.search input {
  flex: 1;
  min-width: 0;
  height: 100%;
  border: 0;
  outline: 0;
  background: none;
  font-size: 1.0625rem; /* ≥16px so iOS doesn't zoom */
  color: var(--label);
}
.search input::placeholder { color: var(--label-2); }
.search input::-webkit-search-cancel-button { -webkit-appearance: none; }

.quick-actions {
  display: flex;
  gap: 8px;
  padding: 4px var(--gutter) 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.pill-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 14px 0 10px;
  border-radius: 999px;
  background: var(--card);
  color: var(--tint);
  font-size: 0.9375rem;
  font-weight: 500;
  white-space: nowrap;
  transition: transform 100ms ease-out, background-color 100ms;
}
.pill-button svg { width: 18px; height: 18px; }

.chips {
  display: flex;
  gap: 8px;
  padding: 4px var(--gutter) 8px;
  overflow-x: auto;
  scrollbar-width: none;
  overscroll-behavior-x: contain;
}
.chips::-webkit-scrollbar, .quick-actions::-webkit-scrollbar { display: none; }
.chip {
  flex: none;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--fill);
  font-size: 0.9375rem;
  font-weight: 500;
  white-space: nowrap;
  transition: transform 100ms ease-out, background-color 150ms, color 150ms;
}
.chip[aria-selected="true"] { background: var(--tint); color: var(--on-tint); }

/* ---------- Grouped inset lists ---------- */

.section { margin: 22px 0 0; }
.section-header {
  margin: 0;
  padding: 0 calc(var(--gutter) + 16px) 7px;
  font-size: 0.8125rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--label-2);
}
.section-header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-right: calc(var(--gutter) + 16px);
}
.section-header-row .section-header { padding-right: 0; }
.section-footer {
  margin: 0;
  padding: 7px calc(var(--gutter) + 16px) 0;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--label-2);
}
.group {
  margin: 0 var(--gutter);
  border-radius: var(--radius);
  background: var(--card);
  overflow: hidden;
}
.row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 48px;
  padding: 10px 16px;
  text-align: left;
  background: var(--card);
  transition: background-color 120ms;
}
.row + .row::before {
  content: "";
  position: absolute;
  top: 0;
  left: 16px;
  right: 0;
  border-top: 0.5px solid var(--sep);
}
button.row:active, button.row.pressed { background: var(--fill-2); transition: none; }
.row-main { flex: 1; min-width: 0; }
.row-title {
  display: block;
  font-size: 1.0625rem;
  line-height: 1.3;
  overflow-wrap: anywhere;
}
.row-sub {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 8px;
  margin-top: 2px;
  font-size: 0.875rem;
  color: var(--label-2);
}
.row-value { flex: none; color: var(--label-2); font-variant-numeric: tabular-nums; text-align: right; }
.row-value strong { color: var(--label); font-weight: 600; }
.row-chevron { width: 14px; height: 14px; color: var(--label-3); stroke-width: 2.5; }
.row-link { color: var(--tint); }
.row-danger { color: var(--red); }

.add-btn {
  display: grid;
  place-items: center;
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--tint-soft);
  color: var(--tint);
  transition: transform 100ms ease-out;
}
.add-btn svg { width: 18px; height: 18px; stroke-width: 2.4; }
.in-meal {
  flex: none;
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--tint);
  color: var(--on-tint);
  font-size: 0.875rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.badge {
  display: inline-flex;
  align-items: center;
  height: 18px;
  padding: 0 6px;
  border-radius: 5px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background: var(--fill);
  color: var(--label-2);
}
.badge-notebook, .badge-custom { background: var(--green-soft); color: var(--green); }
.badge-off, .badge-manual { background: var(--orange-soft); color: var(--orange); }
.badge-free { background: var(--tint-soft); color: var(--tint); }

.empty {
  margin: 28px var(--gutter);
  text-align: center;
  color: var(--label-2);
  font-size: 0.9375rem;
}
.empty strong { display: block; color: var(--label); font-size: 1.0625rem; margin-bottom: 4px; }

/* ---------- Dexcom reading ---------- */

#cgm-card .section { margin-top: 8px; }
.cgm-row { gap: 14px; min-height: 64px; }
.cgm-value {
  flex: none;
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--label);
}
.cgm-arrow { font-size: 1.5rem; font-weight: 600; color: var(--tint); }
.cgm-low .cgm-value, .cgm-low .cgm-arrow { color: var(--red); }
.cgm-stale .cgm-value, .cgm-stale .cgm-arrow { color: var(--label-3); }
.cgm-note { min-height: 0; padding-top: 0; padding-bottom: 12px; }
.cgm-note::before { display: none; }

/* Last-hour trend under the reading */
.trend { position: relative; padding: 0 16px 12px; }
.trend::before { content: ""; position: absolute; top: 0; left: 16px; right: 0; border-top: 0.5px solid var(--sep); }
.trend-chart { display: block; width: 100%; height: auto; margin-top: 10px; overflow: visible; }
.trend-chart { stroke: none; }
.trend-band { fill: var(--green-soft); stroke: none; }
.trend-low { stroke: var(--red); stroke-width: 1; stroke-dasharray: 3 4; opacity: 0.55; }
.trend-chart polyline { fill: none; stroke: var(--tint); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.trend-chart circle { fill: var(--tint); stroke: var(--card); stroke-width: 2; }
.trend-chart circle.trend-last { stroke-width: 2.5; }
.trend-caption {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--label-2);
  font-variant-numeric: tabular-nums;
}
.trend-caption strong { font-size: 0.875rem; font-weight: 650; color: var(--label); }
.trend-key { margin: 2px 0 0; font-size: 0.6875rem; color: var(--label-2); text-align: center; }
.cgm-stale ~ .trend .trend-chart { opacity: 0.6; }


/* Today's log on Home */
.log-time { flex: none; width: 3.2rem; font-size: 0.875rem; font-weight: 650; color: var(--label-2); font-variant-numeric: tabular-nums; }

/* His serving: live carb total */
.serve-total { display: flex; align-items: baseline; gap: 8px; margin: 12px calc(var(--gutter) + 4px) 0; color: var(--label-2); font-size: 0.9375rem; }
.serve-total strong { font-size: 1.375rem; font-weight: 750; letter-spacing: -0.01em; color: var(--label); font-variant-numeric: tabular-nums; }

/* Label photo preview */
.label-photo { display: block; max-width: calc(100% - 32px); max-height: 200px; margin: 12px auto 4px; border-radius: 16px; object-fit: contain; box-shadow: var(--card-shadow); }

/* ---------- Banners ---------- */

.banner {
  display: flex;
  gap: 12px;
  margin: 8px var(--gutter) 4px;
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  line-height: 1.4;
}
.banner svg { margin-top: 1px; }
.banner strong { display: block; font-size: 1rem; margin-bottom: 2px; }
.banner-warn { background: var(--orange-soft); color: var(--label); }
.banner-warn svg { color: var(--orange); }
.banner-danger { background: var(--red-soft); color: var(--label); }
.banner-danger svg { color: var(--red); }
.banner-info { background: var(--tint-soft); color: var(--label); }
.banner-info svg { color: var(--tint); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 0 20px;
  border-radius: var(--radius);
  font-size: 1.0625rem;
  font-weight: 600;
  transition: transform 100ms ease-out, opacity 100ms, background-color 150ms;
}
.btn-primary { background: var(--tint); color: var(--on-tint); }
.btn-secondary { background: var(--tint-soft); color: var(--tint); }
.btn-plain { color: var(--tint); font-weight: 400; min-height: 44px; padding: 0 4px; }
.btn-danger { background: var(--red-soft); color: var(--red); }
.btn-block { width: 100%; }
.btn-compact { min-height: 40px; padding: 0 16px; border-radius: 999px; font-size: 0.9375rem; }
.btn:disabled { opacity: 0.4; cursor: default; }

/* Feedback lives on the press */
.btn:active:not(:disabled), .pill-button:active, .chip:active, .add-btn:active, .tab:active,
.stepper button:active, .btn.pressed, .pill-button.pressed, .add-btn.pressed {
  transform: scale(0.96);
  transition: transform 60ms ease-out;
}
@media (hover: hover) {
  .btn-primary:hover:not(:disabled) { filter: brightness(1.08); }
  button.row:hover { background: color-mix(in srgb, var(--fill) 50%, var(--card)); }
  .chip:hover:not([aria-selected="true"]) { background: var(--fill-2); }
}

/* ---------- Tab bar (translucent material) ---------- */

.tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  display: flex;
  justify-content: center;
  height: calc(var(--tabbar-h) + var(--safe-b));
  padding-bottom: var(--safe-b);
  background: var(--material);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  border-top: 0.5px solid var(--material-edge);
}
.tab {
  flex: 1;
  max-width: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--label-2);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 150ms, transform 100ms ease-out;
}
.tab svg { width: 24px; height: 24px; }
.tab[aria-current="page"] { color: var(--tint); }

/* ---------- Meal tray (draggable) ---------- */

.tray {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(var(--tabbar-h) + var(--safe-b));
  z-index: 25;
  max-width: 680px;
  margin: 0 auto;
  height: min(72dvh, 620px);
  display: flex;
  flex-direction: column;
  border-radius: 16px 16px 0 0;
  background: var(--material);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  backdrop-filter: blur(30px) saturate(180%);
  border-top: 0.5px solid var(--material-edge);
  box-shadow: var(--sheet-shadow);
  will-change: transform;
}
.tray-head {
  flex: none;
  padding: 6px var(--gutter) 10px;
  touch-action: none;
  cursor: grab;
}
.tray-head:active { cursor: grabbing; }
.grabber {
  width: 36px;
  height: 5px;
  margin: 0 auto 8px;
  border-radius: 3px;
  background: var(--label-3);
}
.tray-summary { display: flex; align-items: center; gap: 12px; }
.tray-toggle {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 44px;
  justify-content: center;
}
.tray-carbs {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.tray-count { font-size: 0.8125rem; color: var(--label-2); }
.tray-body {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-bottom: 16px;
}
.tray-body .group { background: var(--card); }
.tray-scrim {
  position: fixed;
  inset: 0;
  z-index: 24;
  background: var(--scrim);
  opacity: 0;
  pointer-events: none;
}
.tray-scrim.active { pointer-events: auto; }

.line-qty { color: var(--label-2); font-size: 0.875rem; font-variant-numeric: tabular-nums; }

.stepper {
  flex: none;
  display: inline-flex;
  align-items: center;
  border-radius: 9px;
  background: var(--fill);
}
.stepper button {
  width: 40px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--label);
  transition: transform 80ms ease-out;
}
.stepper button + button { border-left: 0.5px solid var(--sep); }
.stepper svg { width: 16px; height: 16px; stroke-width: 2.4; }

/* ---------- Modal sheet ---------- */

.scrim {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: var(--scrim);
  opacity: 0;
}
.sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 41;
  max-width: 680px;
  max-height: calc(100dvh - env(safe-area-inset-top, 0px) - 24px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  border-radius: 16px 16px 0 0;
  background: var(--sheet-bg);
  box-shadow: var(--sheet-shadow);
  transform: translateY(100%);
  will-change: transform;
}
.sheet .group, .sheet .row { background: var(--card-raised); }
@media (prefers-color-scheme: dark) {
  .sheet .segmented button[aria-pressed="true"] { background: #636366; }
}
#amt-input { text-align: center; }
.sheet-grab { flex: none; padding: 6px 0 0; touch-action: none; cursor: grab; }
.sheet-grab .grabber { margin-bottom: 0; }
.sheet-content {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-bottom: calc(var(--safe-b) + 24px);
}
.sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px var(--gutter) 4px calc(var(--gutter) + 4px);
  touch-action: none;
}
.sheet-title { margin: 0; font-size: 1.375rem; font-weight: 700; letter-spacing: -0.01em; }
.sheet-subtitle { margin: 2px 0 0; font-size: 0.9375rem; color: var(--label-2); }
.close-btn {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--fill);
  color: var(--label-2);
  flex: none;
}
.close-btn svg { width: 14px; height: 14px; stroke-width: 2.6; }
.sheet-actions { display: grid; gap: 10px; margin: 24px var(--gutter) 0; }

/* ---------- Forms ---------- */

.field-row { gap: 12px; }
.field-row label { flex: 1; min-width: 0; font-size: 1.0625rem; }
.field-row input, .field-row select {
  width: 9.5rem;
  max-width: 50%;
  min-height: 36px;
  border: 0;
  outline: 0;
  background: none;
  text-align: right;
  font-size: 1.0625rem;
  color: var(--tint);
  font-variant-numeric: tabular-nums;
}
.field-row input.wide, .field-row select.wide { width: auto; flex: 1.4; max-width: none; }
.field-row input::placeholder { color: var(--label-3); }
.field-row .unit { color: var(--label-2); font-size: 0.9375rem; flex: none; }
.field-error { color: var(--red); font-size: 0.8125rem; padding: 6px calc(var(--gutter) + 16px) 0; margin: 0; }

.switch {
  position: relative;
  flex: none;
  width: 51px;
  height: 31px;
  -webkit-appearance: none;
  appearance: none;
  margin: 0;
  border-radius: 999px;
  background: var(--fill-2);
  transition: background-color 200ms;
  cursor: pointer;
}
.switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18), 0 0 1px rgba(0, 0, 0, 0.2);
  transition: transform 260ms cubic-bezier(0.3, 1.3, 0.5, 1);
}
.switch:checked { background: #34c759; }
.switch:checked::after { transform: translateX(20px); }
.switch:focus-visible { outline: 2px solid var(--tint); outline-offset: 2px; }

.segmented {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  margin: 12px var(--gutter) 0;
  padding: 2px;
  border-radius: 9px;
  background: var(--fill);
}
.segmented button {
  min-height: 32px;
  border-radius: 7px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background-color 150ms;
}
.segmented button[aria-pressed="true"] { background: var(--card-raised); box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12); font-weight: 600; }

/* ---------- Dose sheet ---------- */

.bg-entry {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 14px 16px;
}
.bg-entry label { flex: 1; font-size: 1.0625rem; }
.bg-entry input {
  width: 6.5rem;
  border: 0;
  outline: 0;
  background: none;
  text-align: right;
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--tint);
  font-variant-numeric: tabular-nums;
}
.bg-entry input::placeholder { color: var(--label-3); }
.bg-entry .unit { color: var(--label-2); font-size: 0.9375rem; }

.calc-line { font-variant-numeric: tabular-nums; }
.calc-line .row-sub { font-size: 0.8125rem; }

.dose-result {
  margin: 22px var(--gutter) 0;
  padding: 20px 16px 18px;
  border-radius: 16px;
  background: var(--tint);
  color: var(--on-tint);
  text-align: center;
}
.dose-label { margin: 0; font-size: 0.9375rem; font-weight: 500; opacity: 0.9; }
.dose-value {
  margin: 2px 0 0;
  font-size: 4rem;
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.dose-value small { font-size: 1.25rem; font-weight: 600; letter-spacing: 0; margin-left: 6px; }
.dose-exact { margin: 6px 0 0; font-size: 0.875rem; opacity: 0.85; font-variant-numeric: tabular-nums; }
.dose-result.muted { background: var(--fill); color: var(--label-2); }
.dose-pop { animation: dose-pop 320ms cubic-bezier(0.2, 0.9, 0.3, 1.2); }
@keyframes dose-pop { from { transform: scale(0.96); } }

.meta-line {
  margin: 14px calc(var(--gutter) + 4px) 0;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--label-2);
  text-align: center;
}

/* ---------- Barcode scanner ---------- */

.scanner {
  position: relative;
  margin: 12px var(--gutter) 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  aspect-ratio: 4 / 3;
}
.scanner video { width: 100%; height: 100%; object-fit: cover; display: block; }
.scanner::after {
  content: "";
  position: absolute;
  inset: 30% 12%;
  border: 2px solid rgba(255, 255, 255, 0.85);
  border-radius: 10px;
  box-shadow: 0 0 0 999px rgba(0, 0, 0, 0.35);
}

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--tabbar-h) + var(--safe-b) + 16px);
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: calc(100% - 32px);
  padding: 10px 10px 10px 16px;
  border-radius: 14px;
  background: rgba(30, 30, 32, 0.92);
  color: #fff;
  font-size: 0.9375rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  transition: transform 300ms cubic-bezier(0.2, 0.9, 0.3, 1), opacity 200ms;
}
body.has-tray .toast { bottom: calc(var(--tabbar-h) + var(--safe-b) + var(--tray-peek) + 12px); }
.toast.show { transform: translate(-50%, 0); opacity: 1; pointer-events: auto; }
.toast button { color: #64d2ff; font-weight: 600; padding: 6px 8px; }
.toast:not(:has(button)) { padding-right: 16px; }

.spinner {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--fill-2);
  border-top-color: var(--label-2);
  animation: spin 800ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-row { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 18px; color: var(--label-2); font-size: 0.9375rem; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

:focus-visible { outline: 2px solid var(--tint); outline-offset: 2px; }
.row:focus-visible { outline-offset: -2px; border-radius: inherit; }

/* ---------- Quiet light finish ---------- */

.eyebrow { color: var(--brand); letter-spacing: 0.08em; font-weight: 650; font-size: 0.75rem; }
.date-line { margin: 2px 0 0; font-size: 0.875rem; color: var(--label-2); }
.large-title { font-weight: 650; font-size: 2rem; letter-spacing: -0.03em; line-height: 1.15; }
.greeting-sub { margin: 4px 0 0; font-size: 1rem; color: var(--label-2); }

.group { box-shadow: var(--card-shadow); border-radius: var(--radius); }
.row { min-height: 56px; padding: 12px 16px; }
.row + .row::before { left: 64px; border-top-color: var(--sep); }
.group > .row:not(:has(.food-avatar)) + .row::before,
.group > .row:not(:has(.food-avatar))::before { left: 16px; }
.row-title { font-weight: 500; letter-spacing: -0.005em; }
.row-sub { font-size: 0.8125rem; }
.row-link { color: var(--label); font-weight: 550; }

/* Small caps-style section labels, the way premium apps group content */
.section-header {
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--label-2);
  padding-bottom: 8px;
}
.section-footer { line-height: 1.45; font-size: 0.8125rem; }

/* Food icons stay, on a neutral disc */
.food-avatar {
  flex: none;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.1rem;
  line-height: 1;
  background: var(--fill);
}

.search { height: 42px; border-radius: 12px; padding: 0 12px; background: var(--fill-2); box-shadow: none; }
.search-bar { background: color-mix(in srgb, var(--bg) 88%, transparent); }

.pill-button { background: var(--card); color: var(--label); box-shadow: var(--card-shadow); font-weight: 550; border: 0.5px solid var(--sep); }
.pill-button svg { color: var(--label-2); }
.chip { font-weight: 550; font-size: 0.875rem; min-height: 32px; background: transparent; border: 0.5px solid var(--sep); box-shadow: none; }
.chip[aria-selected="true"] { background: var(--tint); color: var(--on-tint); border-color: transparent; }

.btn { border-radius: 14px; font-weight: 600; letter-spacing: -0.005em; }
.btn-secondary { background: var(--fill-2); color: var(--label); }
.btn-plain { color: var(--label-2); font-weight: 500; }
.btn-danger { background: var(--red-soft); color: var(--red); }
.btn-compact { border-radius: 12px; font-weight: 600; }

.badge { border-radius: 6px; padding: 0 6px; text-transform: none; letter-spacing: 0; font-size: 0.6875rem; font-weight: 600; background: var(--fill); color: var(--label-2); }
.badge-notebook, .badge-custom { background: var(--green-soft); color: var(--green); }
.badge-off, .badge-manual { background: var(--orange-soft); color: var(--orange); }
.banner { border-radius: 14px; }

.add-btn { width: 32px; height: 32px; background: var(--fill-2); color: var(--label); }
.in-meal { height: 32px; font-weight: 650; background: var(--tint); color: var(--on-tint); }
.stepper { border-radius: 10px; }
.stepper button:first-child, .stepper button:last-child { border-radius: 10px; }

.switch:checked { background: #34a35a; }

.tray, .sheet { border-radius: 22px 22px 0 0; }
.tray-carbs { font-weight: 650; letter-spacing: -0.02em; }
.tab { font-size: 0.6875rem; font-weight: 550; }
.tab[aria-current="page"] { color: var(--label); }

/* The dose: graphite card, the one bold element on the screen */
.dose-result { border-radius: 20px; background: var(--tint); color: var(--on-tint); }
.dose-label { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.75rem; font-weight: 600; opacity: 0.7; }
.dose-value { font-weight: 650; letter-spacing: -0.04em; }
.dose-value small { font-weight: 500; opacity: 0.8; }
.bg-entry input { color: var(--label); font-weight: 600; }
.field-row input, .field-row select { color: var(--label); }
.cgm-value { font-weight: 650; letter-spacing: -0.03em; }
.cgm-arrow { color: var(--label-2); }
.segmented button[aria-pressed="true"] { font-weight: 600; }

.trend-chart polyline { stroke: var(--chart); }
.trend-chart circle { fill: var(--chart); }

.toast { background: rgba(29, 29, 31, 0.96); border-radius: 14px; padding-left: 16px; }
.toast button { color: #ffffff; text-decoration: underline; text-underline-offset: 3px; }

.empty-emoji { display: none; }

/* ---------- Home: two choices side by side ---------- */

.home-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 16px var(--gutter) 0; }
.home-tile {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  min-height: 132px;
  padding: 16px;
  border-radius: var(--radius);
  text-align: left;
  background: var(--card);
  box-shadow: var(--card-shadow);
  transition: transform 100ms ease-out;
}
.home-tile:active { transform: scale(0.97); transition: transform 60ms ease-out; }
.tile-emoji {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  font-size: 1.25rem;
  background: var(--fill);
}
.tile-text { display: flex; flex-direction: column; gap: 2px; }
.tile-title { font-size: 1.0625rem; font-weight: 600; letter-spacing: -0.01em; }
.tile-sub { font-size: 0.8125rem; line-height: 1.35; color: var(--label-2); }
.tile-chevron { display: none; }
#home-meal .section { margin-top: 24px; }
#cgm-card .section { margin-top: 14px; }
@media (hover: hover) { .home-tile:hover { background: color-mix(in srgb, var(--fill) 40%, var(--card)); } }
@media (prefers-reduced-motion: reduce) { .home-tile:active { transform: none; opacity: 0.7; } }
@media (max-width: 340px) { .home-actions { grid-template-columns: 1fr; } }

/* ---------- Accessibility preferences ---------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; }
  .btn, .pill-button, .chip, .add-btn, .tab, .stepper button { transition: opacity 150ms !important; }
  .btn:active:not(:disabled), .pill-button:active, .chip:active, .add-btn:active, .tab:active, .stepper button:active { transform: none; opacity: 0.6; }
  .toast { transition: opacity 200ms; transform: translate(-50%, 0); }
  .switch::after { transition: none; }
  .spinner { animation: spin 1.6s linear infinite !important; animation-duration: 1.6s !important; animation-iteration-count: infinite !important; }
}

@media (prefers-reduced-transparency: reduce) {
  :root { --material: var(--card); }
  .tabbar, .tray, .search-bar { -webkit-backdrop-filter: none; backdrop-filter: none; }
  .search-bar { background: var(--bg); }
}

@media (prefers-contrast: more) {
  :root { --sep: rgba(60, 60, 67, 0.5); --label-2: rgba(60, 60, 67, 0.85); --material: var(--card); }
  .tabbar, .tray { border-top: 1px solid var(--label-2); -webkit-backdrop-filter: none; backdrop-filter: none; }
  .badge { outline: 1px solid currentColor; }
}
@media (prefers-contrast: more) and (prefers-color-scheme: dark) {
  :root { --sep: rgba(235, 235, 245, 0.45); --label-2: rgba(235, 235, 245, 0.85); }
}