:root {
  --bg: #0b1120;
  --surface: #131b2e;
  --surface-raised: #182238;
  --border: #232e48;
  --text: #e8ecf7;
  --text-muted: #8792ac;
  --text-faint: #57628096;
  --accent-a: #6366f1;
  --accent-b: #14b8a6;
  --accent-grad: linear-gradient(135deg, var(--accent-a), var(--accent-b));
  --danger: #f87171;
  --ok: #34d399;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
}

button,
input {
  font-family: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

#app {
  max-width: 1040px;
  margin: 0 auto;
  padding: calc(16px + var(--safe-top)) 20px calc(32px + var(--safe-bottom));
}

/* ---------- header / tabs ---------- */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.app-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tabs {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
}

.tab {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  transition: color 0.15s, background 0.15s;
}

.tab--active {
  background: var(--surface-raised);
  color: var(--text);
}

/* ---------- layout ---------- */

.view {
  display: block;
}

.dashboard {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 860px) {
  .dashboard {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .search-wrap,
  .search-results {
    grid-column: 1;
  }
  .meal-panel {
    grid-column: 2;
    grid-row: 1 / span 2;
    position: sticky;
    top: 20px;
  }
}

/* ---------- search ---------- */

.search-wrap {
  position: relative;
}

.search-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 16px;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-input:focus {
  border-color: var(--accent-a);
}

.search-results {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  text-align: left;
  transition: border-color 0.15s, transform 0.1s;
}

.result-row:hover,
.result-row:focus-visible {
  border-color: var(--accent-b);
}

.result-row:active {
  transform: scale(0.99);
}

.result-name {
  font-size: 15px;
  font-weight: 600;
}

.result-meta {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}

.search-empty {
  color: var(--text-muted);
  font-size: 14px;
  padding: 12px 4px;
}

/* ---------- meal panel ---------- */

.meal-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.meal-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.meal-heading h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.text-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 8px;
}

.text-btn:hover {
  color: var(--danger);
}

.meal-empty {
  color: var(--text-muted);
  font-size: 14px;
  margin: 0;
}

.meal-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.meal-row {
  display: grid;
  grid-template-columns: 1fr 60px auto 70px auto;
  align-items: center;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.meal-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.meal-row-name {
  font-size: 14px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.grams-input {
  width: 60px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 15px;
  text-align: right;
  padding: 4px 2px;
  outline: none;
}

.grams-input:focus {
  border-color: var(--accent-b);
}

.meal-row-unit {
  color: var(--text-muted);
  font-size: 13px;
}

.meal-row-carbs {
  color: var(--text-muted);
  font-size: 13px;
  text-align: right;
  white-space: nowrap;
}

.icon-btn {
  background: none;
  border: none;
  color: var(--text-faint);
  font-size: 20px;
  line-height: 1;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.icon-btn:hover {
  color: var(--danger);
  background: rgba(248, 113, 113, 0.1);
}

.result-box {
  margin-top: 4px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.result-carbs {
  color: var(--text-muted);
  font-size: 14px;
}

.result-units {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

.result-units-label {
  font-size: 18px;
  font-weight: 600;
  margin-left: 8px;
  background: none;
  -webkit-text-fill-color: var(--text-muted);
  color: var(--text-muted);
}

/* ---------- foods tab ---------- */

.foods h2,
.settings h2 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 16px;
}

.food-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.food-row,
.add-food-row {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

.food-name-input {
  flex: 1 1 140px;
  min-width: 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid transparent;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  padding: 4px 2px;
  outline: none;
}

.food-name-input:focus {
  border-color: var(--accent-b);
}

.food-field {
  flex: 0 0 84px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.food-field span {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.food-num-input {
  flex: 0 0 84px;
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 15px;
  padding: 4px 2px;
  outline: none;
}

.food-num-input:focus {
  border-color: var(--accent-b);
}

.add-food-row {
  border-style: dashed;
}

.add-food-row .food-name-input,
.add-food-row .food-num-input {
  border-bottom: 1px solid var(--border);
}

.add-btn {
  background: var(--accent-grad);
  border: none;
  color: #0b1120;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

/* ---------- settings tab ---------- */

.settings-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.settings-section h3 {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.settings-label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
}

.settings-input {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 15px;
  color: var(--text);
  outline: none;
}

.settings-input:focus {
  border-color: var(--accent-b);
}

.sync-btn-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.sync-status {
  font-size: 13px;
  color: var(--text-muted);
}

.sync-status--syncing {
  color: var(--accent-b);
}

.sync-status--ok {
  color: var(--ok);
}

.sync-status--error {
  color: var(--danger);
}

/* ---------- small screens ---------- */

@media (max-width: 480px) {
  .result-units {
    font-size: 46px;
  }
  .food-name-input {
    flex-basis: 100%;
  }
}