:root {
  --color-bg: #f4f5f7;
  --color-surface: #ffffff;
  --color-text: #1c1f26;
  --color-muted: #6b7280;
  --color-border: #e3e5e9;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-error: #dc2626;
  --color-error-bg: #fdecea;
  --color-ok: #16a34a;
  --color-ok-bg: #eafaf0;
  --color-warn-bg: #fff7e6;
  --radius: 10px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.45;
}

[x-cloak] { display: none !important; }

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Навигация ---------- */

.topnav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.topnav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.topnav-brand {
  font-weight: 700;
  font-size: 16px;
  color: var(--color-text);
  white-space: nowrap;
}
.topnav-brand:hover { text-decoration: none; }

.topnav-tabs {
  display: flex;
  gap: 4px;
  flex: 1;
  overflow-x: auto;
}

.topnav-tab {
  padding: 8px 12px;
  border-radius: var(--radius);
  color: var(--color-muted);
  font-size: 14px;
  white-space: nowrap;
}
.topnav-tab:hover { background: var(--color-bg); text-decoration: none; }
.topnav-tab--active {
  color: var(--color-accent);
  font-weight: 600;
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
}

.topnav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
}

.topnav-settings { font-size: 14px; white-space: nowrap; }

.topnav-user { position: relative; }
.topnav-user-btn {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 14px;
  cursor: pointer;
  color: var(--color-text);
}

.topnav-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  min-width: 160px;
  display: flex;
  flex-direction: column;
  padding: 6px;
}

.topnav-menu a, .topnav-menu-logout {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--color-text);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}
.topnav-menu a:hover, .topnav-menu-logout:hover {
  background: var(--color-bg);
  text-decoration: none;
}
.topnav-menu-logout { color: var(--color-error); }

/* ---------- Layout ---------- */

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.page-header { margin-bottom: 16px; }
.page-header--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.page-title { font-size: 22px; margin: 0; }
.catalog-status { color: var(--color-muted); font-size: 13px; margin: 4px 0 0; }

.btn-row { display: flex; gap: 8px; align-items: center; }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.card-title { font-size: 16px; margin: 0 0 12px; }
.card-hint { color: var(--color-muted); font-size: 13px; margin: 0; }

/* ---------- Формы ---------- */

.form-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 420px;
}

.field { display: flex; flex-direction: column; gap: 6px; }
.field-label { font-size: 13px; color: var(--color-muted); }
.field-hint { font-size: 12px; color: var(--color-muted); }

.field-input, .field-select {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 9px 12px;
  font-size: 14px;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
}
.field-input:focus, .field-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 20%, transparent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 9px 16px;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  background: var(--color-surface);
  color: var(--color-text);
}
.btn:hover { background: var(--color-bg); }
.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: var(--color-accent-hover); }
.btn-secondary { background: var(--color-bg); }
.btn-small { padding: 5px 10px; font-size: 13px; }
.btn-block { width: 100%; }

.inline-form { display: inline-block; margin-right: 6px; }

/* ---------- Алерты и тосты ---------- */

.alert {
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 14px;
  margin-bottom: 16px;
}
.alert-error { background: var(--color-error-bg); color: var(--color-error); }
.alert-ok { background: var(--color-ok-bg); color: var(--color-ok); }

.toast-container {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
}
.toast {
  background: var(--color-text);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  max-width: 360px;
  opacity: 1;
  transition: opacity 0.3s ease;
}
.toast--error { background: var(--color-error); }
.toast--hide { opacity: 0; }

/* ---------- Логин ---------- */

.login-wrap {
  display: flex;
  justify-content: center;
  padding-top: 10vh;
}
.login-card { width: 100%; max-width: 360px; }
.login-title { text-align: center; margin: 0 0 16px; font-size: 20px; }

/* ---------- Заглушка ---------- */

.stub-wrap {
  display: flex;
  justify-content: center;
  padding-top: 12vh;
}
.stub-box { text-align: center; max-width: 360px; }
.stub-icon { font-size: 40px; }
.stub-title { margin: 8px 0; }
.stub-text { color: var(--color-muted); margin-bottom: 16px; }

/* ---------- Плитки статистики ---------- */

.stat-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.stat-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
}
.stat-tile--warn { background: var(--color-warn-bg); }
.stat-value { font-size: 24px; font-weight: 700; }
.stat-label { color: var(--color-muted); font-size: 13px; margin-top: 4px; }

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

/* ---------- Таблицы ---------- */

.table {
  width: 100%;
  border-collapse: collapse;
}
.table th, .table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}
.table th { color: var(--color-muted); font-weight: 500; font-size: 13px; }

.photo-placeholder {
  width: 56px;
  height: 56px;
  border-radius: 6px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}
.cell-photo img { border-radius: 6px; object-fit: cover; }

.cost-row--missing { box-shadow: inset 3px 0 0 var(--color-error); }

.cost-value {
  background: none;
  border: none;
  font: inherit;
  color: var(--color-text);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 6px;
}
.cost-value:hover { background: var(--color-bg); }

.cost-edit-form { display: flex; gap: 6px; }
.cost-edit-input {
  width: 110px;
  border: 1px solid var(--color-accent);
  border-radius: 6px;
  padding: 5px 8px;
  font: inherit;
}
.cost-edit-ok {
  border: none;
  background: var(--color-accent);
  color: #fff;
  border-radius: 6px;
  width: 30px;
  cursor: pointer;
}

.cell-actions { white-space: nowrap; }

.kv-list { margin: 0; }
.kv-row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--color-border); }
.kv-row:last-child { border-bottom: none; }
.kv-row dt { color: var(--color-muted); font-size: 13px; }
.kv-row dd { margin: 0; font-size: 14px; }

/* ---------- Тулбар поиска/фильтров ---------- */

.cost-toolbar-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.cost-toolbar-form .field-input { flex: 1; min-width: 220px; }

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

.cost-table thead a {
  color: var(--color-muted);
  font-weight: 500;
  white-space: nowrap;
}
.cost-table thead a:hover { color: var(--color-text); text-decoration: none; }

/* ---------- Шеврон и история цен ---------- */

.chevron-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  color: var(--color-muted);
  transition: transform 0.15s ease;
  padding: 4px 8px;
}
.chevron-btn--open { transform: rotate(90deg); color: var(--color-text); }

.history-cell { background: var(--color-bg); }
.history-box { padding: 8px 0; }
.history-empty { color: var(--color-muted); font-size: 13px; margin: 8px 0; }

.history-table { width: 100%; border-collapse: collapse; }
.history-table th, .history-table td {
  text-align: left;
  padding: 6px 8px;
  font-size: 13px;
  border-bottom: 1px solid var(--color-border);
}
.history-table th { color: var(--color-muted); font-weight: 500; }
.history-current { font-weight: 600; }

.badge {
  display: inline-block;
  background: var(--color-ok-bg);
  color: var(--color-ok);
  font-size: 11px;
  font-weight: 500;
  padding: 2px 6px;
  border-radius: 4px;
  vertical-align: middle;
}

/* ---------- Импорт CSV ---------- */

.import-upload-form { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.import-result { margin-top: 14px; }
.import-summary { font-size: 13px; color: var(--color-muted); margin-bottom: 10px; }
.import-raw-text { display: none; }

.import-preview-table td, .import-preview-table th { white-space: nowrap; }
.import-row--not_found td, .import-row--invalid td { color: var(--color-error); }
.import-row--ok td { color: var(--color-text); }

/* ---------- Мобильная адаптация ---------- */

/* ---------- Склад: подтабы ---------- */

.subtabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}
.subtab {
  padding: 8px 12px;
  color: var(--color-muted);
  font-size: 14px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}
.subtab:hover { color: var(--color-text); text-decoration: none; }
.subtab--active { color: var(--color-accent); font-weight: 600; border-bottom-color: var(--color-accent); }

.stock-toolbar { margin-bottom: 16px; }

/* ---------- Склад: карточки позиций ---------- */

.stock-section { margin-bottom: 24px; }
.stock-section-title { font-size: 15px; color: var(--color-muted); margin: 0 0 10px; }

.item-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
}
.item-card-grid--muted { opacity: 0.75; }

.item-card {
  display: flex;
  gap: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px;
  cursor: pointer;
}
.item-card:hover { border-color: var(--color-accent); }
.item-card-photo { width: 56px; height: 56px; border-radius: 6px; object-fit: cover; flex-shrink: 0; }
.item-card-body { min-width: 0; flex: 1; }
.item-card-name { font-weight: 600; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item-card-meta { display: flex; gap: 10px; flex-wrap: wrap; font-size: 12px; color: var(--color-muted); margin-top: 4px; }
.item-card-metric strong { color: var(--color-text); }
.item-card-cost { color: var(--color-text); }
.item-card-missing { margin-top: 6px; font-size: 12px; color: var(--color-error); }

/* ---------- Склад: модалка ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 5vh 16px;
  overflow-y: auto;
  z-index: 50;
}
.modal-box {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 20px;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.modal-header > div:nth-child(2) { flex: 1; min-width: 0; }
.modal-title { font-size: 18px; margin: 0; }
.modal-subtitle { color: var(--color-muted); font-size: 13px; }
.modal-close {
  background: none; border: none; cursor: pointer; font-size: 16px; color: var(--color-muted);
  padding: 6px;
}
.modal-close:hover { color: var(--color-text); }

.kv-list-row { display: flex; gap: 10px; margin-bottom: 16px; }
.kv-tile {
  flex: 1;
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 12px;
  text-align: center;
}
.kv-tile-value { font-size: 20px; font-weight: 700; }
.kv-tile-label { font-size: 12px; color: var(--color-muted); margin-top: 2px; }
.kv-tile .field-input { text-align: center; width: 80px; margin: 0 auto; }

/* ---------- Склад: состав/allocation ---------- */

.alloc-table td, .alloc-table th { vertical-align: middle; }
.alloc-qty-input { width: 64px; padding: 5px 8px; }
.alloc-row--bottleneck { box-shadow: inset 3px 0 0 var(--color-accent); background: color-mix(in srgb, var(--color-accent) 6%, transparent); }
.alloc-bottleneck-cell { font-weight: 700; }
.badge-muted { background: var(--color-bg); color: var(--color-muted); }
.stock-add-link-form { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.stock-add-link-form .field-select { flex: 1; min-width: 160px; }

/* ---------- Склад: движения и партии ---------- */

.stock-move-price-row { display: flex; gap: 10px; }
.stock-move-price-row .field { flex: 1; }

.batch-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin-bottom: 8px;
}
.batch-card-main { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.batch-card-qty { font-weight: 700; }
.batch-card-cost { color: var(--color-muted); }
.batch-card-dates { font-size: 12px; color: var(--color-muted); flex: 1; min-width: 160px; }
.batch-card-note { font-size: 13px; }
.batch-consumptions { margin-top: 8px; font-size: 13px; }
.batch-consumptions summary { cursor: pointer; color: var(--color-muted); }

.spoiler { margin-top: 10px; }
.spoiler summary { cursor: pointer; color: var(--color-muted); font-size: 13px; padding: 6px 0; }

.eta-overdue { color: var(--color-error); font-weight: 600; }
.eta-today { color: var(--color-accent); font-weight: 600; }

/* ---------- Финансы ---------- */

.finance-toolbar { display: flex; flex-direction: column; gap: 12px; }
.finance-filter-form { display: flex; gap: 8px; flex-wrap: wrap; }
.finance-filter-form .field-input, .finance-filter-form .field-select { min-width: 140px; }
.finance-sync-row { justify-content: space-between; flex-wrap: wrap; }
.finance-add-form { margin-top: 12px; }
.finance-add-comment { grid-column: 1 / -1; }
.finance-lens-note { font-size: 13px; color: var(--color-muted); }

.finance-amount { font-variant-numeric: tabular-nums; white-space: nowrap; }
.finance-row--income .finance-amount { color: var(--color-ok); }
.finance-row--expense .finance-amount { color: var(--color-error); }
.finance-nodata { color: var(--color-muted); font-style: italic; white-space: normal; }

.finance-pagination { justify-content: center; margin-top: 12px; }
.finance-page-label { color: var(--color-muted); font-size: 13px; }
.finance-inline-cost-form { display: flex; gap: 6px; align-items: center; }
.finance-inline-cost-form .field-input { width: 110px; }
.finance-uncovered .card-title { color: var(--color-error); }

@media (max-width: 640px) {
  .topnav-tabs { display: none; }
  .stat-tiles { grid-template-columns: 1fr 1fr; }

  .cost-table thead, .finance-table thead { display: none; }
  .cost-table, .cost-table tbody, .cost-table tr, .cost-table td,
  .finance-table, .finance-table tbody, .finance-table tr, .finance-table td {
    display: block;
    width: 100%;
  }
  .cost-table tr, .finance-table tr {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 10px;
    margin-bottom: 10px;
  }
  .cost-table td, .finance-table td {
    border-bottom: none;
    padding: 4px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .cost-table td[data-label]:not([data-label=""])::before,
  .finance-table td[data-label]:not([data-label=""])::before {
    content: attr(data-label);
    color: var(--color-muted);
    font-size: 12px;
  }
  .cell-photo { justify-content: flex-start !important; }

  .history-row { margin-top: -10px; }
  .history-cell {
    display: block !important;
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
  }
  .history-cell::before { content: none !important; }
}