:root {
  --bg: #f4f5f7;
  --card-bg: #ffffff;
  --text: #1f2430;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --accent: #3b82f6;
  --accent-dark: #2563eb;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

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

h1, h2, h3 {
  margin: 0 0 12px;
}

/* Login */

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

.login-card {
  background: var(--card-bg);
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-card label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: var(--text-muted);
}

.error {
  color: var(--danger);
  font-size: 14px;
  margin: 0;
}

/* Layout */

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}

.topbar-controls {
  display: flex;
  align-items: center;
  gap: 20px;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
}

.tabs {
  display: flex;
  gap: 4px;
  padding: 12px 24px 0;
}

.tab-btn {
  background: none;
  border: none;
  padding: 10px 18px;
  font-size: 15px;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius) var(--radius) 0 0;
}

.tab-btn.active {
  background: var(--card-bg);
  color: var(--text);
  font-weight: 600;
}

main {
  padding: 20px 24px 60px;
  max-width: 1100px;
  margin: 0 auto;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.cards-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.cards-row .card {
  margin-bottom: 0;
}

.chart-block h3 {
  font-size: 14px;
  color: var(--text-muted);
}

/* Stats */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

.stat-value {
  font-size: 22px;
  font-weight: 700;
}

/* Forms */

form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: var(--text-muted);
}

input, select, textarea, button {
  font-family: inherit;
  font-size: 14px;
}

input, select, textarea {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
}

button {
  padding: 9px 16px;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  background: var(--accent-dark);
}

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

.form-actions {
  display: flex;
  gap: 10px;
}

#debt-form-cancel {
  background: var(--text-muted);
}

/* Log entries */

.log-entry {
  display: flex;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.log-entry:last-child {
  border-bottom: none;
}

.log-date {
  flex-shrink: 0;
  width: 100px;
  font-size: 13px;
  color: var(--text-muted);
}

.log-note {
  font-size: 14px;
  line-height: 1.4;
}

.empty {
  color: var(--text-muted);
  font-size: 14px;
}

/* Finance: upcoming payments */

.payment-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-radius: 6px;
  margin-bottom: 6px;
  background: #f9fafb;
}

.payment-row.urgent {
  background: var(--danger-bg);
  color: var(--danger);
  font-weight: 600;
}

.payment-name {
  flex: 1;
}

.payment-date {
  width: 110px;
  text-align: center;
}

.payment-amount {
  width: 120px;
  text-align: right;
}

/* Table */

.table-scroll {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th, .data-table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table th {
  color: var(--text-muted);
  font-weight: 600;
}

.data-table button {
  padding: 4px 8px;
  font-size: 12px;
  margin-right: 4px;
}

.btn-delete-debt {
  background: var(--danger);
}

canvas {
  max-width: 100%;
}

/* Period selector */

.period-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 14px;
}

.period-controls select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  font-size: 14px;
}

.period-controls label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: var(--text-muted);
}

/* Modal (настройки питания) */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
}

.modal {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

/* Питание: навигация по дням */

.day-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.day-current-label {
  font-weight: 600;
  font-size: 15px;
  text-transform: capitalize;
  min-width: 200px;
  text-align: center;
}

/* Недельная полоска */

.week-bars {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  padding: 16px 8px;
  background: #f9fafb;
  border-radius: var(--radius);
  overflow-x: auto;
}

.week-day-group {
  flex: 1 0 150px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  border-radius: 10px;
  padding: 10px 6px;
  border-right: 1px solid var(--border);
}

.week-day-group:last-child {
  border-right: none;
}

.week-day-group:hover {
  background: rgba(59, 130, 246, 0.08);
}

.week-day-group-active {
  background: rgba(59, 130, 246, 0.12);
}

.week-bar-label {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
}

.week-mini-bars {
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 10px;
  height: 160px;
}

.week-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  height: 100%;
  min-width: 0;
}

.week-col-value {
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.week-mini-bar {
  width: 20px;
  flex: 1;
  display: flex;
  align-items: flex-end;
  background: #e5e7eb;
  border-radius: 5px;
  overflow: hidden;
}

.week-mini-fill {
  width: 100%;
  border-radius: 5px 5px 0 0;
  min-height: 3px;
  transition: height 0.2s ease;
}

.week-col-metric {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

/* Оценка факт/норма: цвета */

.nutrient-ok {
  color: #10b981;
  font-weight: 700;
}

.nutrient-warn {
  color: #f59e0b;
  font-weight: 700;
}

.nutrient-bad {
  color: var(--danger);
  font-weight: 700;
}

.nutrient-bg-ok {
  background: #10b981;
}

.nutrient-bg-warn {
  background: #f59e0b;
}

.nutrient-bg-bad {
  background: var(--danger);
}

.nutrient-bg-neutral {
  background: #cbd5e1;
}

/* Карточки приёмов пищи */

.meal-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
}

.meal-card-legacy {
  background: #f9fafb;
}

.meal-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.meal-card-header h4 {
  margin: 0;
  font-size: 15px;
}

.dish-table {
  font-size: 13px;
}

.dish-table th,
.dish-table td {
  padding: 6px 8px;
}

.dish-table tfoot td {
  font-weight: 700;
  border-top: 2px solid var(--border);
  border-bottom: none;
}

.btn-toggle-ingredients {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
}

.ingredients-subtable {
  font-size: 12px;
  background: #f9fafb;
  border-radius: 6px;
}

/* Форма добавления приёма пищи */

.dish-row {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 10px;
  background: #f9fafb;
}

.dish-row-main {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.dish-row-main input[type='text'] {
  flex: 2;
  min-width: 140px;
}

.dish-row-main input[type='number'] {
  flex: 1;
  min-width: 70px;
}

.dish-row-extra {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
}

.toggle-small {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.ingredient-rows {
  margin-top: 8px;
  padding-left: 12px;
  border-left: 2px solid var(--border);
}

.ingredient-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}

.ingredient-row input[type='text'] {
  flex: 2;
  min-width: 110px;
}

.ingredient-row input[type='number'] {
  flex: 1;
  min-width: 60px;
}

.btn-remove-dish,
.btn-remove-ingredient {
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
}

.btn-add-ingredient {
  background: none;
  border: 1px dashed var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
}

/* Избранные блюда */

#favorites-section {
  margin-top: 16px;
}

#favorites-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.favorite-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 999px;
  padding: 2px 4px 2px 4px;
}

.favorite-add-btn {
  background: none;
  border: none;
  color: var(--accent-dark);
  font-size: 13px;
  padding: 4px 6px;
  cursor: pointer;
}

.favorite-remove-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  padding: 2px 6px;
}