:root {
  color-scheme: light;
  --bg: #f7f4ef;
  --bg-soft: #edf5f2;
  --panel: rgba(255, 255, 255, 0.86);
  --panel-strong: #ffffff;
  --panel-muted: #f3f0ea;
  --text: #2f3432;
  --text-muted: #717c77;
  --border: rgba(83, 102, 94, 0.14);
  --accent: #8bb8a8;
  --accent-strong: #5f9f8a;
  --accent-soft: #e7f2ee;
  --success: #7fb98f;
  --warning: #e7c982;
  --danger: #dd8d82;
  --shadow: 0 18px 48px rgba(70, 84, 78, 0.12);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(237, 245, 242, 0.9) 0%, rgba(247, 244, 239, 0.95) 44%, rgba(244, 238, 232, 0.95) 100%);
}

.root {
  min-height: 100vh;
}

nav {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 4px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 14px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

nav a {
  color: var(--accent-strong);
  text-decoration: none;
  font-weight: 700;
}

.logout-form {
  max-width: none;
  display: block;
}

.logout-form button {
  min-height: 0;
  padding: 0;
  background: transparent;
  color: var(--accent-strong);
  box-shadow: none;
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 48px;
}

.flashes {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.flashes li {
  padding: 12px 14px;
  border-radius: 12px;
  background: #fff1ed;
  color: #9a4f45;
  border: 1px solid rgba(221, 141, 130, 0.24);
}

h1,
h3,
h4,
p {
  margin-top: 0;
}

button,
.icon-btn {
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

button:hover,
.icon-btn:hover {
  transform: translateY(-1px);
}

button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(139, 184, 168, 0.34);
  outline-offset: 2px;
}

button {
  min-height: 44px;
  padding: 11px 16px;
  background: var(--accent-soft);
  color: #416f61;
}

.secondary {
  background: var(--panel-muted);
  color: var(--text);
}

.icon-btn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.76);
  color: var(--accent-strong);
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(87, 103, 96, 0.08);
}

.card {
  width: 100%;
  margin: 14px 0;
  padding: 22px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.page-header-card {
  padding: 28px;
}

.page-header-row,
.actions-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.page-header-row h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.page-subtitle {
  margin: 12px 0 0;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.page-actions,
.meal-actions,
.modal-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.header-goal {
  min-height: 44px;
  padding: 8px 14px;
  display: inline-grid;
  gap: 2px;
  align-content: center;
  text-align: left;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  box-shadow: 0 10px 30px rgba(87, 103, 96, 0.08);
}

.header-goal span {
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 700;
  line-height: 1;
}

.header-goal strong {
  font-size: 0.95rem;
  line-height: 1.1;
}

.header-action {
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  box-shadow: 0 10px 30px rgba(87, 103, 96, 0.08);
}

.day-overview-card {
  padding: 18px;
}

.day-overview-card.is-over-limit {
  border-color: rgba(221, 141, 130, 0.32);
  box-shadow: 0 18px 48px rgba(157, 88, 78, 0.14);
}

.day-overview-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 14px;
  align-items: center;
}

.day-overview-copy {
  min-width: 0;
}

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

.summary-item {
  min-height: 82px;
  padding: 13px;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(246, 244, 238, 0.78));
  border: 1px solid var(--border);
}

.label {
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 0.86rem;
}

.value {
  color: var(--text);
  font-size: 1.28rem;
  line-height: 1.1;
  font-weight: 800;
}

.accent {
  color: #4f947b;
}

.danger-accent {
  color: #bf6a61;
}

.over-limit-item {
  background: linear-gradient(180deg, rgba(255, 241, 237, 0.9), rgba(250, 228, 223, 0.82));
  border-color: rgba(221, 141, 130, 0.28);
}

.over-limit-note {
  width: fit-content;
  max-width: 100%;
  margin-top: 12px;
  padding: 9px 12px;
  border-radius: 12px;
  background: rgba(251, 228, 223, 0.78);
  color: #9a4f45;
  font-weight: 700;
}

.summary-footer,
.calendar-info,
.calendar-note {
  margin: 16px 0 0;
  color: var(--text-muted);
}

.chart-card,
.chart-panel {
  display: grid;
  justify-items: center;
  gap: 8px;
}

.chart-panel {
  padding: 8px;
  border-radius: 16px;
  background: transparent;
  border: 1px solid transparent;
}

.card-title {
  width: 100%;
  margin: 0 0 12px;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 800;
}

.compact-chart canvas {
  width: min(100%, 148px);
  height: auto;
  aspect-ratio: 1 / 1;
  display: block;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 16px;
  color: var(--text-muted);
  font-size: 0.86rem;
}

.legend-item {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
}

.legend-item.eaten {
  background: var(--success);
}

.legend-item.remaining {
  background: #b9cbd7;
}

.meals-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.meals-card li {
  min-height: 72px;
  margin-bottom: 10px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--border);
}

.meal-desc,
.meal-kcal {
  font-weight: 800;
}

.meal-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.meal-kcal {
  white-space: nowrap;
}

button.edit {
  background: #fbf1d8;
  color: #7b6426;
}

button.delete {
  background: #fbe4df;
  color: #9a4f45;
}

.empty-state {
  justify-content: center;
  color: var(--text-muted);
  text-align: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
}

.calendar-modal {
  max-width: 680px;
}

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.modal-head h3,
.modal-content h3,
.modal-content h4 {
  margin: 0;
}

.calendar-note {
  margin-top: 8px;
  line-height: 1.45;
}

.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px;
  border-radius: 14px;
  background: var(--panel-muted);
}

.calendar-nav button {
  width: 38px;
  height: 38px;
  min-height: 38px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--panel-strong);
  color: var(--accent-strong);
  font-size: 1.5rem;
  font-weight: 800;
}

.calendar-cell {
  min-height: 92px;
  padding: 13px;
  border-radius: 14px;
  background: rgba(247, 250, 248, 0.9);
  border: 1px solid var(--border);
  color: var(--text);
  text-align: left;
}

.calendar-cell:hover {
  background: #edf5f2;
}

.calendar-cell.selected {
  background: #dceee8;
  border-color: rgba(95, 159, 138, 0.34);
}

.calendar-cell.today {
  background: #fff3d7;
  border-color: rgba(231, 201, 130, 0.52);
}

.calendar-cell.today .day-number {
  color: #8a6a1f;
}

.calendar-cell.today.selected {
  background: linear-gradient(180deg, #fff3d7 0%, #dceee8 100%);
  border-color: rgba(95, 159, 138, 0.46);
}

.calendar-cell.blank {
  visibility: hidden;
}

.day-number {
  font-weight: 800;
}

.day-total {
  margin-top: 10px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(48, 58, 53, 0.34);
}

.modal.hidden {
  display: none;
}

.hidden {
  display: none !important;
}

.modal-content {
  width: min(94vw, 540px);
  max-height: min(88vh, 760px);
  overflow: auto;
  padding: 22px;
  display: grid;
  gap: 16px;
  border-radius: var(--radius);
  background: var(--panel-strong);
  border: 1px solid var(--border);
  box-shadow: 0 26px 60px rgba(50, 62, 57, 0.2);
}

.modal-content.small {
  max-width: 380px;
}

.products-modal {
  max-width: 640px;
}

.modal-actions {
  justify-content: flex-end;
}

.modal-content label {
  display: block;
  color: var(--text-muted);
  font-size: 0.94rem;
}

input,
input[type="number"],
input[type="text"],
input:not([type]) {
  width: 100%;
  min-height: 46px;
  margin-top: 8px;
  padding: 11px 13px;
  border-radius: 12px;
  border: 1px solid rgba(83, 102, 94, 0.18);
  background: #fbfaf7;
  color: var(--text);
  font: inherit;
}

#rows {
  display: grid;
  gap: 10px;
}

.calc-row-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 96px 84px 72px 42px;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 96px 84px 72px 42px;
  gap: 8px;
  align-items: center;
}

.row input,
.row button {
  min-width: 0;
  height: 42px;
  margin-top: 0;
}

.row input[type="number"],
.row-total {
  text-align: right;
}

.row-total {
  color: var(--text-muted);
  font-size: 0.86rem;
  font-weight: 800;
  white-space: nowrap;
}

.row-delete {
  width: 42px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  color: #9a4f45;
  font-size: 1.25rem;
  line-height: 1;
}

.product-form {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 130px;
  gap: 10px;
  align-items: end;
}

.product-form input {
  margin-top: 0;
}

.product-form button {
  width: fit-content;
}

#saveProduct {
  grid-column: 1;
}

#cancelProductEdit {
  grid-column: 2;
}

.products-list {
  display: grid;
  gap: 10px;
}

.product-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.52);
}

.product-pick {
  display: grid;
  gap: 4px;
  text-align: left;
  color: var(--text);
}

.product-pick span {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.product-edit {
  background: #fbf1d8;
  color: #7b6426;
}

.product-delete {
  background: #fbe4df;
  color: #9a4f45;
}

.product-empty {
  border: 1px dashed var(--border);
}

.sum-row {
  margin: 0;
  color: var(--text);
  font-weight: 800;
}

form {
  max-width: 420px;
  display: grid;
  gap: 16px;
}

form + p {
  margin-top: 18px;
  color: var(--text-muted);
}

form + p a {
  color: var(--accent-strong);
  font-weight: 800;
}

@media (max-width: 860px) {
  .day-overview-main {
    grid-template-columns: 1fr;
  }

  .chart-panel {
    justify-self: center;
  }

  .compact-chart canvas {
    width: min(100%, 150px);
  }

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

  .page-header-row,
  .actions-row,
  .meal-right {
    align-items: stretch;
    flex-direction: column;
  }

  .page-actions {
    align-self: flex-start;
  }

  .meals-card li {
    align-items: flex-start;
    flex-direction: column;
  }

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

@media (max-width: 560px) {
  nav,
  main {
    width: min(100% - 20px, 1120px);
  }

  .card,
  .page-header-card {
    padding: 18px;
    border-radius: 16px;
  }

  .modal-content {
    gap: 12px;
    padding: 16px;
  }

  #rows {
    gap: 8px;
  }

  .calc-row-head {
    display: none;
  }

  .day-overview-card {
    padding: 14px;
  }

  .day-overview-main {
    gap: 12px;
  }

  .summary-row {
    gap: 8px;
  }

  .summary-item {
    min-height: 64px;
    padding: 10px;
    border-radius: 12px;
  }

  .label {
    margin-bottom: 4px;
    font-size: 0.78rem;
  }

  .value {
    font-size: 1rem;
  }

  .over-limit-note,
  .summary-footer {
    margin-top: 8px;
    font-size: 0.86rem;
  }

  .page-actions,
  .meal-actions,
  .modal-actions {
    width: 100%;
  }

  .header-action,
  .header-goal {
    flex: 1 1 auto;
  }

  .product-form {
    grid-template-columns: 1fr;
  }

  .product-form button,
  #saveProduct,
  #cancelProductEdit {
    width: 100%;
    grid-column: auto;
  }

  .product-item {
    grid-template-columns: 1fr;
  }

  .product-edit,
  .product-delete {
    width: 100%;
  }

  .actions-row button:not(.icon-btn),
  .meal-actions button,
  .modal-actions button {
    width: 100%;
  }

  .row {
    grid-template-columns: minmax(0, 1fr) 78px 38px;
    gap: 6px;
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.42);
  }

  .row input,
  .row button {
    height: 38px;
    padding: 8px 10px;
    border-radius: 10px;
    font-size: 0.92rem;
  }

  .row-delete {
    width: 38px;
    padding: 0;
    font-size: 1.15rem;
  }

  .row .product-name {
    grid-column: 1 / 3;
  }

  .row .product-kcal {
    grid-column: 1;
  }

  .row .product-grams {
    grid-column: 2;
  }

  .row-total {
    grid-column: 1 / 3;
    text-align: left;
    font-size: 0.8rem;
  }

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

  .calendar-cell {
    min-height: 82px;
  }
}

.dark {
  color-scheme: dark;
  --bg: #191d1b;
  --bg-soft: #202722;
  --panel: rgba(35, 40, 37, 0.86);
  --panel-strong: #242a27;
  --panel-muted: #2d332f;
  --text: #f4f1ec;
  --text-muted: #b8c1bb;
  --border: rgba(234, 240, 236, 0.12);
  --accent: #a4cdbd;
  --accent-strong: #bde1d2;
  --accent-soft: #2d3d37;
  --success: #9ed5a8;
  --warning: #e6cf8e;
  --danger: #e2a094;
  --shadow: 0 20px 48px rgba(0, 0, 0, 0.28);
  background: #191d1b;
}

.dark body {
  background:
    linear-gradient(135deg, rgba(32, 39, 34, 0.96) 0%, rgba(25, 29, 27, 0.98) 58%, rgba(38, 35, 32, 0.98) 100%);
}

.dark .summary-item,
.dark .meals-card li,
.dark .calendar-cell,
.dark input {
  background: rgba(255, 255, 255, 0.05);
}

.dark .day-overview-card.is-over-limit {
  border-color: rgba(226, 160, 148, 0.3);
  box-shadow: 0 20px 48px rgba(115, 50, 43, 0.22);
}

.dark .over-limit-item {
  background: rgba(226, 160, 148, 0.12);
  border-color: rgba(226, 160, 148, 0.24);
}

.dark .danger-accent {
  color: #ffc4bb;
}

.dark .over-limit-note {
  background: rgba(226, 160, 148, 0.14);
  color: #ffc4bb;
}

.dark button {
  color: #e9f5ef;
}

.dark .icon-btn {
  background: rgba(255, 255, 255, 0.06);
}

.dark .header-goal,
.dark .header-action,
.dark .calendar-nav button {
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent-strong);
  border: 1px solid rgba(164, 205, 189, 0.18);
}

.dark .product-item {
  background: rgba(255, 255, 255, 0.05);
}

.dark .product-delete {
  background: rgba(226, 160, 148, 0.18);
  color: #ffc4bb;
}

.dark .product-edit {
  background: rgba(230, 207, 142, 0.18);
  color: #f1dca1;
}

.dark .calendar-nav {
  background: rgba(255, 255, 255, 0.04);
}

.dark .calendar-cell.today {
  background: rgba(230, 207, 142, 0.16);
  border-color: rgba(230, 207, 142, 0.34);
}

.dark .calendar-cell.today .day-number {
  color: #f1dca1;
}

.dark .calendar-cell.today.selected {
  background: linear-gradient(180deg, rgba(230, 207, 142, 0.16), rgba(164, 205, 189, 0.16));
}

.dark .chart-panel {
  background: transparent;
  border-color: transparent;
}

.dark button.edit {
  background: rgba(230, 207, 142, 0.18);
  color: #f1dca1;
}

.dark button.delete {
  background: rgba(226, 160, 148, 0.18);
  color: #ffc4bb;
}

.dark .calendar-cell.selected {
  background: rgba(164, 205, 189, 0.16);
}