:root {
  --bg: #eef7fb;
  --ink: #16313a;
  --muted: #5f7480;
  --line: #d9e7ed;
  --panel: #ffffff;
  --blue: #2477b7;
  --blue-dark: #165b91;
  --mint: #dff6ef;
  --sun: #fff0bd;
  --rose: #ffe3e1;
  --green: #167c63;
  --red: #b7342f;
  --shadow: 0 18px 45px rgba(34, 88, 107, 0.16);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(255, 240, 189, 0.8), transparent 28rem),
    linear-gradient(145deg, #eaf7fb, #f7fbff 55%, #f1fbf4);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma, Arial, sans-serif;
  letter-spacing: 0;
}

button, input, select, textarea { font: inherit; }

.phone-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 12px;
}

.app {
  width: min(100%, 430px);
  min-height: min(900px, calc(100vh - 48px));
  max-height: 920px;
  overflow: auto;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 34px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.topbar, .section-head, .actions, .tabs, .mode-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar, .section-head { justify-content: space-between; }
.section-head.compact { align-items: baseline; }

.eyebrow, .soft-label {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

h1, h2, h3, h4, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: 24px; line-height: 1.2; }
h2 { font-size: 20px; margin-bottom: 12px; }
h3 { font-size: 17px; margin-bottom: 12px; }
h4 { margin-bottom: 10px; font-size: 15px; }

.pill-button, .tab, .mode, .primary, .secondary, .ghost {
  border: 0;
  border-radius: 8px;
  min-height: 42px;
  padding: 10px 13px;
  cursor: pointer;
  color: var(--ink);
}

.pill-button, .secondary, .ghost {
  background: #e9f3f7;
}

.notice {
  display: grid;
  gap: 4px;
  margin: 16px 0;
  padding: 12px;
  border-radius: 8px;
  background: var(--sun);
  border: 1px solid #ead891;
  font-size: 13px;
}

.install-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  margin: 0 0 14px;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #bcddec;
  background: #f3fbff;
}

.install-card p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.install-help {
  grid-column: 1 / -1;
}

.install-guide {
  margin: 0 0 14px;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #ffffff;
}

.guide-steps {
  display: grid;
  gap: 10px;
}

.guide-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.guide-steps div {
  display: grid;
  gap: 4px;
  padding: 10px;
  border-radius: 8px;
  background: #f5fbfe;
  font-size: 13px;
}

.guide-steps span {
  color: var(--muted);
  line-height: 1.45;
}

.install-consent {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(22, 49, 58, 0.32);
}

.install-consent[hidden] {
  display: none;
}

.consent-box {
  width: min(100%, 380px);
  padding: 18px;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.consent-box p {
  color: var(--muted);
  line-height: 1.55;
  font-size: 14px;
}

.tabs {
  position: sticky;
  top: 0;
  z-index: 4;
  padding: 8px;
  margin-bottom: 14px;
  border-radius: 12px;
  background: #edf6fa;
}

.tab, .mode {
  flex: 1;
  color: var(--muted);
  background: transparent;
  white-space: nowrap;
}

.tab.active, .mode.active {
  background: var(--panel);
  color: var(--blue-dark);
  box-shadow: 0 8px 18px rgba(33, 96, 126, 0.11);
}

.view, .meal-mode { display: none; }
.view.active, .meal-mode.active { display: block; }

.panel, .patient-card, .result-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 14px;
}

.panel.muted { background: #f4f8fa; }

.patient-list, .food-results, .meal-items, .history-list {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

#foodCatalog {
  display: grid;
  gap: 14px;
}

.restaurant-group {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.restaurant-group h3 {
  margin: 0;
  padding: 10px 12px;
  border-radius: 8px;
  background: #e9f3f7;
  color: var(--blue-dark);
  font-size: 16px;
}

.restaurant-group .food-results {
  margin-bottom: 0;
}

.restaurant-note {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #ead891;
  background: var(--sun);
  color: #765300;
  font-size: 13px;
  line-height: 1.45;
}

.patient-card {
  display: grid;
  gap: 10px;
}

.patient-card.selected {
  border-color: var(--blue);
  background: #f4fbff;
}

.patient-meta, .food-meta, .record-meta {
  color: var(--muted);
  font-size: 13px;
}

.grid {
  display: grid;
  gap: 10px;
}

.grid.two { grid-template-columns: 1fr 1fr; }
.grid.three { grid-template-columns: 1fr 0.8fr auto; align-items: end; }

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

input, select, textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  color: var(--ink);
  background: #fbfdfe;
}

textarea { resize: vertical; line-height: 1.5; }

.divider {
  height: 1px;
  background: var(--line);
  margin: 14px 0;
}

.primary {
  background: var(--blue);
  color: #fff;
  font-weight: 700;
}

.primary:hover { background: var(--blue-dark); }
.wide { width: 100%; margin-top: 12px; }
.align-end { align-self: end; }

.food-item, .meal-item, .record {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfe;
}

.food-item button, .meal-item button {
  min-height: 36px;
  padding: 8px 10px;
}

.food-calc {
  display: grid;
  grid-template-columns: minmax(88px, 0.7fr) 1fr;
  gap: 8px;
  align-items: end;
  margin-top: 10px;
}

.food-calc label {
  gap: 4px;
}

.food-calc input {
  min-height: 36px;
  padding: 7px 9px;
}

.food-total {
  display: grid;
  gap: 4px;
  min-height: 36px;
  padding: 7px 9px;
  border-radius: 8px;
  background: #eef8f5;
  color: var(--green);
  font-size: 12px;
}

.food-total strong {
  color: var(--ink);
}

.upload-box {
  min-height: 118px;
  margin-bottom: 12px;
  border: 1px dashed #9fc4d8;
  border-radius: 8px;
  place-items: center;
  text-align: center;
  padding: 16px;
  color: var(--blue-dark);
  background: #f5fbfe;
}

.upload-box input { display: none; }

.photo-preview {
  display: none;
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
}

.photo-preview.show { display: block; }

.result-card {
  background: linear-gradient(180deg, #f3fbff, #ffffff);
}

.result-alert {
  display: none;
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 12px;
  font-size: 13px;
}

.result-alert.show { display: block; }
.result-alert.low { background: var(--rose); color: var(--red); }
.result-alert.high { background: #fff2d4; color: #8c5a00; }
.result-alert.ok { background: var(--mint); color: var(--green); }

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.result-grid div {
  display: grid;
  gap: 4px;
  padding: 12px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
}

.result-grid span { color: var(--muted); font-size: 12px; }
.result-grid strong { font-size: 22px; }
.result-note { color: var(--muted); font-size: 13px; margin: 12px 0; }
.empty { padding: 16px; text-align: center; color: var(--muted); }

.toast {
  position: sticky;
  bottom: 10px;
  z-index: 8;
  margin-top: 10px;
  padding: 11px 12px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 13px;
  text-align: center;
  box-shadow: 0 10px 24px rgba(22, 49, 58, 0.18);
}

[dir="ltr"] .app { text-align: left; }

@media (max-width: 390px) {
  .phone-shell { padding: 0; }
  .app {
    min-height: 100vh;
    max-height: none;
    border-radius: 0;
  }
  .grid.two, .grid.three { grid-template-columns: 1fr; }
  .install-card { grid-template-columns: 1fr; }
  .food-item { grid-template-columns: 1fr; }
  .food-calc { grid-template-columns: 1fr 1fr; }
  .tabs, .mode-row { overflow-x: auto; }
  .tab, .mode { min-width: max-content; }
}