:root {
  --font-family: Arial, Helvetica, sans-serif;
  --color-text: #111;
  --color-background: #fff;
  --color-muted: #666;
  --color-control: #000;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 24px;
  --space-5: 48px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }

body {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: var(--space-4);
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-family);
}

.home-page {
  grid-template-rows: 1fr auto 1fr;
  gap: var(--space-4);
}
.home-page main {
  grid-row: 2;
  text-align: center;
}
.home-page footer {
  grid-row: 3;
  align-self: end;
  width: 100%;
  text-align: center;
}
.privacy-button {
  display: inline-block;
  padding: var(--space-2);
  border: 0;
  background: transparent;
  color: var(--color-muted);
  font: inherit;
  font-size: 0.75rem;
  text-decoration: none;
  cursor: pointer;
}
.privacy-button:focus-visible {
  outline: 2px solid var(--color-control);
  outline-offset: var(--space-1);
}
.privacy-page {
  align-items: start;
  padding-top: var(--space-5);
}
.privacy-page main {
  width: 100%;
  max-width: 680px;
  line-height: 1.6;
}
.privacy-page h1 {
  margin-top: var(--space-4);
  font-size: clamp(2rem, 7vw, 3rem);
  text-align: left;
}
.privacy-back {
  color: var(--color-muted);
  font-size: 0.875rem;
}
.input-page {
  align-items: start;
  padding: var(--space-4);
}
.input-page main { width: 100%; max-width: 560px; }

h1 {
  margin: 0;
  font-size: clamp(2rem, 7vw, 5rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  text-align: center;
}

time {
  display: block;
  margin-top: var(--space-3);
  font-size: 1rem;
  color: var(--color-muted);
}

.start-button, .set-button, input {
  border: 1px solid var(--color-control);
  background: transparent;
  color: var(--color-control);
  font: inherit;
}

.start-button {
  display: inline-block;
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
}

label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 1rem;
}

input {
  width: 100%;
  padding: var(--space-3);
  border-radius: 8px;
}

.start-button:focus-visible, .set-button:focus-visible, input:focus-visible {
  outline: 2px solid var(--color-control);
  outline-offset: var(--space-1);
}

.sets-table-wrapper {
  margin-top: var(--space-3);
  overflow-x: auto;
}

.sets-table {
  width: 100%;
  min-width: 300px;
  border-collapse: collapse;
  table-layout: fixed;
}

.sets-table th, .sets-table td {
  padding: var(--space-1);
  text-align: left;
}

.sets-table thead th {
  padding-top: 0;
  padding-bottom: var(--space-2);
  text-align: center;
}
.sets-table tr > :first-child { padding-left: 0; }
.sets-table tr > :last-child { padding-right: 0; }
.sets-table tbody tr:last-child > * { padding-bottom: 0; }

.sets-table th {
  font-size: 0.875rem;
  font-weight: 500;
}

.sets-table th:first-child { width: 40px; }
.sets-table tbody th { text-align: center; }
.sets-table input { padding: var(--space-3) var(--space-2); }
.sets-table input:focus-visible { outline-offset: -2px; }

.set-actions {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.set-button {
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  font-size: 0.75rem;
  line-height: 1.5;
  cursor: pointer;
}

.set-button:disabled {
  opacity: 0.4;
  cursor: default;
}

#exercises, #meals {
  display: grid;
  gap: var(--space-4);
}

.add-exercise, .add-meal {
  display: block;
  width: fit-content;
  margin: var(--space-3) auto 0;
  border-radius: 0;
}

#save {
  display: block;
  width: 100%;
}

.exercise-heading, .meal-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.exercise-heading label, .meal-heading label { margin-bottom: 0; }

.delete-exercise, .add-exercise, .delete-meal, .add-meal {
  padding: var(--space-1) 0;
  border: 0;
  background: transparent;
  color: var(--color-muted);
  font: inherit;
  font-size: 0.75rem;
  cursor: pointer;
}

.delete-exercise:focus-visible, .delete-meal:focus-visible {
  outline: 2px solid var(--color-control);
  outline-offset: var(--space-1);
}

[hidden] { display: none !important; }
.day-tabs {
  display: flex;
  border-bottom: 1px solid #ddd;
  margin: 0 0 var(--space-4);
}
.day-tabs button {
  flex: 1;
  padding: var(--space-3);
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--color-muted);
  font: inherit;
  cursor: pointer;
}
.day-tabs button[aria-selected="true"] {
  border-bottom-color: var(--color-control);
  color: var(--color-text);
}
.day-tabs button:focus-visible {
  outline: 2px solid var(--color-control);
  outline-offset: -4px;
}
.muted { color: var(--color-muted); font-size: 0.875rem; line-height: 1.5; }

.ingredients-table { min-width: 300px; }
.ingredients-table label { font-size: 0.875rem; }
.ingredients-table .ingredient-name-row td { padding-top: var(--space-4); }
.ingredients-table .ingredient-name-row:first-child td { padding-top: 0; }
.ingredients-table .ingredient-macros-row td { padding-top: var(--space-3); }