:root {
  --bg: #f2f2f7;
  --surface: #ffffff;
  --surface-muted: #f8f8fa;
  --text: #111111;
  --subtle: #6e6e73;
  --line: #e5e5ea;
  --accent: #111111;
  --shadow: 0 8px 24px rgba(17, 17, 17, 0.06);
  --radius: 22px;
  --nav-height: 86px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

button {
  border: 0;
  background: none;
}

.app {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 16px 16px calc(var(--nav-height) + 20px);
}

.topbar {
  padding: 10px 4px 12px;
}

.eyebrow,
.card-label {
  margin: 0 0 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--subtle);
}

.topbar .eyebrow {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
}

.topbar h1,
.section-card h2,
.hero-card h2,
.day-card h3 {
  margin: 0;
  letter-spacing: -0.02em;
}

.topbar h1 {
  font-size: 2rem;
}

.intro,
.section-text {
  margin: 10px 0 0;
  color: var(--subtle);
  line-height: 1.5;
}

.screen {
  display: none;
}

.screen--active {
  display: block;
}

.card {
  background: var(--surface);
  border: 1px solid rgba(229, 229, 234, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-panel,
.planner-panel,
.section-card,
.day-card,
.pdf-card {
  padding: 18px;
}

.day-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.eyebrow--warm {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: #f7e8df;
  color: #a24f2a;
}

.hero-panel,
.planner-panel {
  margin-bottom: 14px;
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 8px;
}

.save-status {
  min-height: 20px;
  margin: 12px 2px 0;
  color: var(--subtle);
  font-size: 0.88rem;
}

.button {
  min-height: 48px;
  border-radius: 16px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
  cursor: pointer;
}

.button--secondary {
  background: var(--surface-muted);
  color: var(--text);
  border: 1px solid var(--line);
}

.field {
  display: block;
  margin-top: 14px;
}

.field span {
  display: block;
  margin-bottom: 8px;
  color: var(--subtle);
  font-size: 0.9rem;
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 50px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-muted);
  color: var(--text);
  appearance: none;
}

.field textarea {
  min-height: 88px;
  resize: vertical;
}

.day-list,
.recipe-list {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}

.summary-card {
  padding: 16px;
  border: 1px solid rgba(229, 229, 234, 0.9);
  border-radius: 20px;
  background: linear-gradient(180deg, #fffdfb, #fff7f2);
}

.summary-card span {
  display: block;
  color: var(--subtle);
  font-size: 0.92rem;
}

.summary-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.9rem;
  line-height: 1.3;
}

.info-list {
  margin: 0;
  padding-left: 18px;
  color: var(--subtle);
  line-height: 1.6;
}

.meal-grid {
  display: grid;
  gap: 14px;
}

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

.workout-box {
  display: grid;
  gap: 2px;
}

.button-stack {
  display: grid;
  gap: 10px;
  margin-top: 8px;
}

.button-file {
  position: relative;
  overflow: hidden;
}

.button-file input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.rules-card {
  margin-top: 16px;
  padding: 16px;
}

.rules-card h3 {
  margin: 0 0 12px;
}

.day-copy-button {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-muted);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}

.day-label {
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.meal-slot {
  padding: 14px 14px 6px;
  border: 1px solid rgba(229, 229, 234, 0.9);
  border-radius: 22px;
  background: #fffdfa;
}

.meal-title {
  margin: 0 0 8px;
  font-size: 1.1rem;
  text-align: center;
}

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

.toggle-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-muted);
  color: var(--text);
}

.toggle-chip input {
  width: 18px;
  height: 18px;
}

.recipe-card {
  padding: 18px;
}

.recipe-card__image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 16px;
  margin-bottom: 14px;
  background: var(--surface-muted);
}

.recipe-card__meta {
  display: inline-block;
  margin: 10px 0 12px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--subtle);
  font-size: 0.82rem;
  font-weight: 600;
}

.recipe-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.recipe-section-title {
  margin: 16px 0 8px;
  font-size: 0.95rem;
}

.recipe-list ul,
.recipe-list ol {
  margin: 0;
  padding-left: 20px;
  color: var(--subtle);
  line-height: 1.55;
}

.shopping-card {
  margin-top: 14px;
}

.shopping-card[hidden] {
  display: none;
}

.shopping-list {
  margin-top: 14px;
}

.shopping-list li + li {
  margin-top: 8px;
}

.pdf-card {
  margin-top: 14px;
}

#pdfFrame {
  width: 100%;
  height: 72vh;
  min-height: 520px;
  border: 0;
  border-radius: 16px;
  background: var(--surface-muted);
}

.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  width: 100%;
  max-width: 480px;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: rgba(242, 242, 247, 0.94);
  backdrop-filter: blur(18px);
  border-top: 1px solid rgba(229, 229, 234, 0.9);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  border-radius: 18px;
  color: var(--subtle);
  cursor: pointer;
}

.nav-item--active {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}

.nav-item__icon {
  font-size: 1.1rem;
}

.nav-item__text {
  margin-top: 4px;
  font-size: 0.76rem;
  font-weight: 600;
}

.overview-day-card {
  padding: 16px;
}

.overview-day-card.is-today {
  border-color: #d9784d;
  box-shadow: 0 0 0 2px rgba(217, 120, 77, 0.12), var(--shadow);
  background: linear-gradient(180deg, #fffdfa, #fff6ef);
}

.overview-day-card__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
}

.overview-day-card__summary::-webkit-details-marker {
  display: none;
}

.overview-day-card__content {
  margin-top: 12px;
}

.overview-chevron {
  color: var(--subtle);
  font-size: 1.1rem;
  transition: transform 160ms ease;
}

.overview-day-card[open] .overview-chevron {
  transform: rotate(180deg);
}

.overview-meals,
.overview-training {
  display: grid;
  gap: 8px;
}

.overview-training {
  margin-top: 8px;
}

.overview-meal-row,
.overview-training-row {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-muted);
}

.overview-meal-row {
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.overview-meal-label,
.overview-training-label {
  display: block;
  margin-bottom: 4px;
  color: var(--subtle);
  font-size: 0.8rem;
  font-weight: 600;
}

.overview-meal-value,
.overview-training-value {
  display: block;
  line-height: 1.45;
}

.meal-dialog {
  width: min(100% - 24px, 460px);
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.meal-dialog__image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 16px;
  margin-top: 14px;
  background: var(--surface-muted);
}

.meal-dialog::backdrop {
  background: rgba(17, 17, 17, 0.28);
}

.meal-dialog__header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.meal-dialog__header h3 {
  margin: 0;
}

.meal-dialog__section {
  margin-top: 16px;
}

.meal-dialog__section h4 {
  margin: 0 0 8px;
}

@media (max-width: 360px) {
  .app {
    padding-inline: 12px;
  }

  .button-row,
  .summary-grid {
    grid-template-columns: 1fr;
  }
}