:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-soft: #f8faf9;
  --ink: #17211d;
  --muted: #66736d;
  --line: #d9e1dd;
  --line-strong: #c8d3ce;
  --brand: #15745d;
  --brand-dark: #0f5d4a;
  --brand-soft: #e4f3ee;
  --info: #276a9f;
  --info-soft: #e8f2fb;
  --warn: #9b5b14;
  --warn-soft: #fff4dc;
  --danger: #b4233c;
  --danger-soft: #fde7ec;
  --shadow-sm: 0 1px 2px rgba(20, 31, 27, 0.06);
  --shadow-md: 0 16px 40px rgba(20, 31, 27, 0.08);
  --radius: 8px;
  --radius-sm: 6px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, #eef4f1 0, rgba(244, 246, 248, 0) 280px),
    var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--brand);
  color: #fff;
  cursor: pointer;
  font-weight: 750;
  line-height: 1;
  padding: 0.72rem 1rem;
  transition: background 150ms ease, border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

button:hover {
  background: var(--brand-dark);
  box-shadow: var(--shadow-sm);
}

button:active {
  transform: translateY(1px);
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(21, 116, 93, 0.18);
  outline-offset: 2px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

button:disabled:hover {
  background: inherit;
  box-shadow: none;
}

button.secondary,
button.ghost {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

button.secondary:hover,
button.ghost:hover {
  border-color: var(--line-strong);
  background: var(--surface-soft);
}

button.danger {
  min-height: 34px;
  border-color: #f3bbc6;
  background: var(--danger-soft);
  color: var(--danger);
  padding: 0.48rem 0.7rem;
}

button.danger:hover {
  background: #fad2db;
}

input,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
  padding: 0.72rem 0.8rem;
  transition: border-color 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

input:hover,
select:hover {
  border-color: var(--line-strong);
}

input::placeholder {
  color: #9aa6a0;
}

label {
  position: relative;
  display: grid;
  gap: 0.4rem;
  color: #4c5b55;
  font-size: 0.86rem;
  font-weight: 720;
}

code {
  border-radius: 5px;
  background: #eef2f0;
  padding: 0.12rem 0.32rem;
}

.checkbox-label {
  align-content: end;
  grid-template-columns: auto 1fr;
  width: fit-content;
}

.checkbox-label input {
  width: auto;
  min-height: auto;
}

main {
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 22px max(16px, calc((100vw - 1220px) / 2));
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(217, 225, 221, 0.8);
  box-shadow: 0 10px 30px rgba(20, 31, 27, 0.05);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0 0 0.38rem;
  color: var(--brand);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.session {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.session span {
  max-width: 260px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.notice,
.auth-panel,
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.notice {
  margin-bottom: 18px;
  padding: 1rem 1.1rem;
  color: var(--warn);
  background: var(--warn-soft);
}

.auth-shell {
  display: grid;
  min-height: 62vh;
  place-items: center;
}

.auth-panel {
  width: min(460px, 100%);
  padding: 30px;
  box-shadow: var(--shadow-md);
}

.auth-panel h2,
.panel h2 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.2;
}

.auth-panel p {
  color: var(--muted);
  line-height: 1.5;
}

#auth-form {
  display: grid;
  gap: 1rem;
}

.button-row,
.inline-result,
.panel-heading,
.date-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.panel-heading {
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}

.date-row {
  justify-content: flex-start;
}

.date-row label {
  min-width: 210px;
}

.date-row.compact {
  align-items: end;
}

.date-row.compact label {
  min-width: 180px;
}

.button-row button {
  flex: 1;
}

#auth-form .button-row {
  margin-top: 12px;
}

.app-shell {
  display: grid;
  gap: 18px;
}

.tabs {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  padding: 0.35rem;
  box-shadow: var(--shadow-sm);
}

.tab {
  min-height: 38px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted);
  white-space: nowrap;
}

.tab:hover {
  background: var(--surface);
  color: var(--ink);
  box-shadow: none;
}

.tab.active {
  border-color: var(--line);
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: grid;
  gap: 18px;
}

.dashboard {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.metric {
  position: relative;
  overflow: hidden;
  min-height: 118px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 18px;
}

.metric::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--brand);
}

.metric span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 820;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  margin-top: 0.58rem;
  font-size: clamp(1.45rem, 2vw, 2rem);
  letter-spacing: 0;
}

.metric.accent {
  border-color: #e9c764;
  background: linear-gradient(180deg, #fffaf0, #fff);
}

.metric.accent::before {
  background: #d59a1a;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.panel {
  padding: 22px;
}

.stack {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.meal-foods {
  display: grid;
  gap: 0.8rem;
}

.meal-food-row {
  align-items: end;
  border-radius: var(--radius);
}

.meal-food-row .remove-food-line {
  align-self: end;
}

.button-row.compact {
  justify-content: flex-start;
}

.button-row.compact button {
  flex: 0 1 auto;
}

.pill {
  border: 1px solid #c9e4db;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 0.82rem;
  font-weight: 850;
  padding: 0.34rem 0.68rem;
  white-space: nowrap;
}

.inline-result {
  align-items: center;
  border-radius: var(--radius);
  background: var(--surface-soft);
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 0.7rem;
}

.inline-result span {
  min-width: 0;
}

.autocomplete-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 30;
  display: grid;
  max-height: 240px;
  overflow: auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  padding: 0.3rem;
}

.autocomplete-list button {
  min-height: 36px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--ink);
  font-weight: 650;
  padding: 0.55rem 0.65rem;
  text-align: left;
}

.autocomplete-list button:hover {
  background: var(--brand-soft);
  box-shadow: none;
}

.entry-list,
.history-list {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0 0;
  padding: 0;
}

.entry-list li,
.entry-list .empty-state,
.history-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  list-style: none;
  padding: 0.85rem;
}

.entry-main {
  min-width: 0;
}

.entry-main strong {
  display: block;
  overflow-wrap: anywhere;
}

.entry-main span,
.history-item span {
  color: var(--muted);
  font-size: 0.9rem;
}

.meal-items {
  display: grid;
  gap: 0.28rem;
  margin-top: 0.55rem;
}

.meal-items span {
  display: block;
}

.entry-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.entry-actions button {
  min-height: 34px;
  padding: 0.45rem 0.65rem;
}

.catalog-list {
  max-height: 520px;
  overflow: auto;
  padding-right: 0.2rem;
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 1rem;
}

.chart-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  padding: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.chart-card h3 {
  font-size: 0.95rem;
  margin: 0 0 0.75rem;
}

.simple-chart {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  gap: 8px;
  min-height: 220px;
  width: 100%;
}

.chart-bar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  min-width: 0;
}

.bar-container {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  min-height: 40px;
}

.bar {
  width: 80%;
  max-width: 40px;
  border-radius: 4px;
  min-height: 4px;
  transition: all 200ms ease;
}

.bar-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bar-date {
  font-size: 0.65rem;
  color: var(--muted);
  white-space: nowrap;
}

.chart-empty {
  align-items: center;
  color: var(--muted);
  display: flex;
  min-height: 220px;
  margin: 0;
}

.history-item {
  grid-template-columns: 1.2fr repeat(5, minmax(90px, auto));
}

.message {
  min-height: 1.3em;
}

.empty-state {
  color: var(--muted);
  margin: 0;
}

.hidden {
  display: none !important;
}

@media (max-width: 1050px) {
  .dashboard {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .chart-grid {
    grid-template-columns: 1fr;
  }

  .history-item {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  body {
    background: var(--bg);
  }

  button,
  input,
  select {
    min-height: 48px;
  }

  main {
    width: 100%;
    padding: 14px 12px 34px;
  }

  .topbar {
    position: static;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 10px 14px;
    background: var(--surface);
  }

  .topbar h1 {
    font-size: 1.22rem;
    line-height: 1.1;
  }

  .eyebrow {
    margin-bottom: 0.26rem;
    font-size: 0.7rem;
  }

  .session {
    width: auto;
    justify-content: space-between;
    gap: 0.75rem;
    border-top: 0;
    padding-top: 0;
  }

  .session span {
    max-width: 34vw;
    font-size: 0.86rem;
  }

  .session .ghost {
    min-height: 38px;
    padding: 0.58rem 0.78rem;
  }

  .auth-shell {
    min-height: auto;
    padding-top: 10px;
  }

  .auth-panel {
    width: 100%;
    padding: 22px;
    box-shadow: var(--shadow-sm);
  }

  .app-shell {
    gap: 14px;
  }

  .tabs {
    position: sticky;
    top: 0;
    z-index: 40;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.25rem;
    margin: -14px -12px 14px;
    border-left: 0;
    border-right: 0;
    border-radius: 0;
    background: rgba(255, 255, 255, 0.96);
    padding: 0.35rem;
    box-shadow: 0 10px 26px rgba(20, 31, 27, 0.1);
    backdrop-filter: blur(12px);
  }

  .tab {
    min-height: 46px;
    border-radius: 9px;
    font-size: 0.76rem;
    line-height: 1.05;
    padding: 0.45rem 0.2rem;
    white-space: normal;
  }

  .tab.active {
    background: var(--brand);
  }

  .tab-panel.active {
    gap: 14px;
  }

  .dashboard {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .metric {
    min-height: 98px;
    padding: 14px;
  }

  .metric strong {
    font-size: 1.36rem;
    line-height: 1.16;
  }

  .metric span {
    font-size: 0.72rem;
  }

  .metric.accent {
    grid-column: 1 / -1;
    min-height: 88px;
  }

  .grid.two,
  .form-grid,
  .chart-grid {
    grid-template-columns: 1fr;
  }

  .panel,
  .date-row {
    border-radius: 10px;
    padding: 16px;
  }

  .date-row {
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
  }

  .panel-heading,
  .date-row,
  .button-row,
  .inline-result {
    align-items: stretch;
    flex-direction: column;
  }

  .panel-heading {
    gap: 0.75rem;
    padding-bottom: 0.75rem;
  }

  .panel h2,
  .auth-panel h2 {
    font-size: 1rem;
  }

  .date-row label,
  .date-row.compact label {
    min-width: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
  }

  .date-row input {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
  }

  .stack {
    gap: 0.85rem;
    margin-top: 0.9rem;
  }

  .form-grid {
    gap: 0.78rem;
  }

  label {
    font-size: 0.84rem;
  }

  .meal-foods {
    gap: 0.7rem;
  }

  .meal-food-row {
    border: 1px solid var(--line);
    background: var(--surface-soft);
    padding: 0.75rem;
  }

  .meal-food-row:first-child {
    border: 0;
    background: transparent;
    padding: 0;
  }

  .button-row.compact button,
  .inline-result button,
  .date-row button,
  .meal-food-row .remove-food-line {
    width: 100%;
  }

  .inline-result {
    gap: 0.75rem;
    padding: 0.75rem;
  }

  .autocomplete-list {
    max-height: 210px;
  }

  .autocomplete-list button {
    min-height: 42px;
    padding: 0.68rem 0.75rem;
  }

  .entry-list,
  .history-list {
    gap: 0.65rem;
  }

  .entry-list li,
  .entry-list .empty-state,
  .history-item {
    grid-template-columns: 1fr;
    gap: 0.65rem;
    padding: 0.8rem;
  }

  .entry-main strong {
    line-height: 1.25;
  }

  .entry-main span,
  .history-item span {
    font-size: 0.86rem;
    line-height: 1.35;
  }

  .entry-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }

  .entry-actions button,
  .entry-list li > button {
    width: 100%;
  }

  .catalog-list {
    max-height: none;
  }

  .chart-card {
    padding: 12px;
    overflow: hidden;
  }

  .simple-chart {
    min-height: 190px;
  }

  .bar-label {
    font-size: 0.7rem;
  }

  .bar-date {
    font-size: 0.6rem;
  }

  .chart-empty {
    min-height: 190px;
  }
}

@media (max-width: 380px) {
  main {
    padding-inline: 10px;
  }

  .dashboard {
    grid-template-columns: 1fr;
  }

  .metric.accent {
    grid-column: auto;
  }

  .tab {
    font-size: 0.7rem;
  }
}