:root {
  --color-bg: #f5f5f7;
  --color-surface: #ffffff;
  --color-text: #1c1c1e;
  --color-muted: #6e6e73;
  --color-border: #e2e2e6;
  --color-primary: #2f6fed;
  --color-primary-text: #ffffff;
  --color-danger: #d64545;
  --color-success: #2f9e44;
  --color-warning: #d9a441;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  padding-bottom: 5rem;
}

a {
  color: inherit;
  text-decoration: none;
}

h1 {
  font-size: 1.25rem;
  margin: 0.75rem 0;
}

h2 {
  font-size: 1rem;
  margin: 1.25rem 0 0.5rem;
}

.muted {
  color: var(--color-muted);
  font-size: 0.875rem;
}

.header-pinned {
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.brand {
  font-weight: 600;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-link {
  font-size: 1.25rem;
}

.icon-link svg {
  display: block;
}

.tabbar {
  display: flex;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.tab {
  flex: 1;
  text-align: center;
  padding: 0.75rem;
  color: var(--color-muted);
  font-weight: 500;
  border-bottom: 2px solid transparent;
}

.tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.content {
  padding: 1rem;
  max-width: 640px;
  margin: 0 auto;
}

.fab {
  position: fixed;
  right: 1.25rem;
  bottom: 1.5rem;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-primary-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  line-height: 1;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  z-index: 20;
}

/* Week view */

.week-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.week-nav-btn {
  font-size: 1.25rem;
  padding: 0.5rem 0.75rem;
}

.week-title {
  margin: 0;
}

.week-day {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem;
  margin-bottom: 0.75rem;
}

.week-day.is-today {
  border-color: var(--color-primary);
}

.week-day-header {
  display: block;
  margin-bottom: 0.5rem;
}

.week-day-label {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
}

.week-day-date {
  color: var(--color-muted);
  font-weight: 400;
}

.week-day-label.is-past {
  opacity: 0.5;
}

.empty-hint {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: 0;
}

.dish-block {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.25rem 0.6rem;
  margin-bottom: 0.6rem;
  background: var(--color-bg);
}

.dish-block:active {
  background: var(--color-border);
}

.dish-block:last-child {
  margin-bottom: 0;
}

.dish-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
}

.dish-card-cover {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.dish-card-name {
  font-weight: 500;
}

.grocery-list {
  list-style: none;
  margin: 0 0 0.5rem;
  padding: 0 0 0 0.25rem;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.grocery-item::before {
  content: '• ';
}

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

.grocery-item.sync-pending {
  font-style: italic;
}

/* Calendar view */

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-weekday {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-muted);
  padding: 0.25rem 0;
}

.calendar-day {
  position: relative;
  aspect-ratio: 1;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.calendar-day.is-outside {
  opacity: 0.4;
}

.calendar-day.is-past {
  opacity: 0.4;
  cursor: default;
}

.calendar-day.is-today {
  border-color: var(--color-primary);
  border-width: 2px;
}

.calendar-day-number {
  font-size: 0.8rem;
  z-index: 1;
}

.calendar-day-thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.calendar-day-dots {
  display: flex;
  gap: 3px;
  margin-top: 2px;
  z-index: 1;
}

.calendar-day-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* Forms */

.form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.form input {
  font-size: 1rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  color: var(--color-text);
}

.input-row {
  display: flex;
  gap: 0.5rem;
}

.input-row input {
  flex: 1;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 2.5rem;
  padding: 0;
}

.icon-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

button {
  font-size: 0.9rem;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}

button[type='submit'],
#save-btn {
  background: var(--color-primary);
  color: var(--color-primary-text);
  border-color: var(--color-primary);
}

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

.form-actions {
  display: flex;
  gap: 0.75rem;
}

.form-error {
  color: var(--color-danger);
  font-size: 0.875rem;
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.login-card {
  width: 100%;
  max-width: 320px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.login-card h1 {
  margin-top: 0;
  text-align: center;
}

.login-card button {
  width: 100%;
}

.cover-preview {
  width: 100%;
  max-height: 180px;
  object-fit: cover;
  border-radius: 8px;
}

.back-link {
  display: inline-block;
  margin-bottom: 0.5rem;
  color: var(--color-muted);
}

.tile-static {
  cursor: default;
}

.tile-static:active {
  transform: none;
}

.tile-static .remove-item-btn {
  align-self: flex-end;
}

.remove-item-btn {
  padding: 0.3rem 0.6rem;
  color: var(--color-danger);
}

.sync-badge {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.sync-badge.sync-synced {
  background: var(--color-success);
}

.sync-badge.sync-pending {
  background: var(--color-muted);
}

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

.sync-badge.sync-queued {
  background: var(--color-warning);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 5.5rem;
  transform: translate(-50%, 20px);
  background: var(--color-text);
  color: var(--color-bg);
  padding: 0.6rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 30;
  max-width: 90vw;
}

.toast.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.toast-error {
  background: var(--color-danger);
  color: #fff;
}

.hint-banner {
  background: #fff6e0;
  border: 1px solid var(--color-warning);
  color: var(--color-text);
  border-radius: var(--radius);
  padding: 0.75rem;
  font-size: 0.875rem;
}

.hint-banner a {
  color: var(--color-primary);
  text-decoration: underline;
}

@media (prefers-color-scheme: dark) {
  .hint-banner {
    background: #2a2210;
  }
}

/* List tab */

.list-group {
  margin-bottom: 1.5rem;
}

.list-group-header {
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.list-group-date {
  font-weight: 400;
  color: var(--color-muted);
  font-size: 0.8rem;
}

.checked-section .list-group-header {
  color: var(--color-muted);
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

@media (max-width: 420px) {
  .tile-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  padding: 0.6rem 0.6rem 0.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: left;
  font-family: inherit;
  cursor: pointer;
  min-height: 4rem;
}

.tile:active {
  transform: scale(0.98);
}

.tile:disabled {
  opacity: 0.6;
  cursor: default;
}

.tile[data-checked='1'] {
  opacity: 0.7;
}

.tile[data-checked='1'] .tile-name {
  text-decoration: line-through;
}

.tile-name {
  font-weight: 500;
  font-size: 0.9rem;
  word-break: break-word;
}

.tile-spec {
  font-size: 0.8rem;
  color: var(--color-muted);
}

.tile-origin {
  font-size: 0.7rem;
  color: var(--color-muted);
}

.tile-error {
  font-size: 0.7rem;
  color: var(--color-danger);
  word-break: break-word;
}

.tile .sync-badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
}

.add-item-inline-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.add-item-inline-form input[name='name'] {
  flex: 2;
}

.add-item-inline-form input[name='spec'] {
  flex: 1;
}

.add-item-inline-form input {
  font-size: 0.9rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  color: var(--color-text);
}

.add-item-inline-form button {
  background: var(--color-primary);
  color: var(--color-primary-text);
  border-color: var(--color-primary);
  padding: 0.5rem 0.9rem;
}

@media (max-width: 480px) {
  .add-item-inline-form {
    flex-direction: column;
  }

  .add-item-inline-form input[name='name'],
  .add-item-inline-form input[name='spec'],
  .add-item-inline-form button {
    width: 100%;
    flex: none;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #131316;
    --color-surface: #1e1e22;
    --color-text: #f2f2f4;
    --color-muted: #9a9aa2;
    --color-border: #33333a;
  }
}

/* Recipes tab */

.recipe-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.recipe-tile {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.recipe-tile:active {
  transform: scale(0.98);
}

.recipe-tile-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.recipe-tile-placeholder {
  position: absolute;
  inset: 0;
  background: var(--color-bg);
}

.recipe-tile-name {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.5rem 0.6rem;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  word-break: break-word;
}