:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #dde1e7;
  --text: #1c2733;
  --muted: #7a8694;
  --accent: #2563eb;
  --pos: #157347;
  --neg: #c0392b;
  --warn-bg: #fff3cd;
  --warn-text: #7a5d00;
  --override: #eef4ff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 14px/1.45 -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.container { max-width: 1500px; margin: 0 auto; padding: 16px 20px 60px; }

h1 { font-size: 22px; margin: 0; }
.sub { margin: 4px 0 0; color: var(--muted); }
.muted { color: var(--muted); font-weight: normal; }
.pos { color: var(--pos); }
.neg { color: var(--neg); }
.num { text-align: right; white-space: nowrap; }

.topbar { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 16px; }
.topbar-actions { display: flex; gap: 8px; flex-shrink: 0; }

.btn {
  padding: 8px 14px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel); color: var(--text); cursor: pointer; font-size: 14px;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-ghost { border-color: transparent; background: transparent; color: var(--muted); }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 20px;
  font-size: 11px; font-weight: 600; vertical-align: middle;
}
.badge-warn { background: var(--warn-bg); color: var(--warn-text); cursor: help; }
.warn-text { color: var(--warn-text); cursor: help; }
.hint {
  display: inline-block; width: 15px; height: 15px; line-height: 15px; text-align: center;
  border-radius: 50%; background: var(--border); color: var(--muted); font-size: 11px; cursor: help;
}

/* Блоки артикулов */
.blocks { display: flex; flex-direction: column; gap: 14px; margin-bottom: 20px; }
.sku-block {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  overflow: hidden;
}
.sku-head {
  display: flex; align-items: center; gap: 10px; padding: 10px 14px;
  cursor: pointer; user-select: none;
}
.sku-head:hover { background: #fafbfc; }
.sku-head .toggle { width: auto; }
.sku-head-stats { margin-left: auto; color: var(--muted); white-space: nowrap; }
.btn-del { padding: 2px 8px; color: var(--neg); flex-shrink: 0; }
.sku-body { padding: 4px 14px 14px; border-top: 1px solid var(--border); }
.sku-params { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 10px 0; }
.param { display: flex; flex-direction: column; gap: 2px; }
.param-label { font-size: 11px; color: var(--muted); white-space: nowrap; }
.param .cell-input {
  border-color: var(--border); background: #fff; text-align: left; width: 110px;
}
.param .cell-input.cell-wide { width: 200px; }
.param .cell-input.cell-dim { width: 70px; }
.param-ro .param-value { padding: 4px 0; font-size: 13px; }
.mp-discounts {
  display: flex; flex-wrap: wrap; gap: 8px 24px; padding: 8px 10px; margin: 8px 0;
  background: #f4f7fb; border-radius: 8px; align-items: center;
}
.mp-discount { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.mp-discount label { display: flex; align-items: center; gap: 6px; color: var(--muted); }
.mp-discount .cell-input { border-color: var(--border); background: #fff; }
.btn-add { align-self: flex-start; border-style: dashed; }

.upload-details { margin: 8px 0 30px; color: var(--muted); }
.upload-details summary { cursor: pointer; }
.upload-details .upload { margin-top: 10px; }

/* Загрузка */
.upload { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.upload #upload-errors { grid-column: 1 / -1; }
.dropzone {
  border: 2px dashed var(--border); border-radius: 12px; padding: 16px;
  background: var(--panel); transition: border-color 0.15s;
}
.upload-compact .dropzone { padding: 10px 16px; }
.upload-compact .dropzone p { margin: 2px 0; }
.dropzone.dragging { border-color: var(--accent); background: var(--override); }
.dropzone p { margin: 6px 0 0; color: var(--muted); }
.filelabel { color: var(--accent); cursor: pointer; text-decoration: underline; }
.errors {
  margin-top: 10px; padding: 10px 14px; border-radius: 8px;
  background: var(--warn-bg); color: var(--warn-text);
}
.errors ul { margin: 6px 0 0; padding-left: 18px; }

/* Настройки */
.settings {
  display: flex; flex-wrap: wrap; gap: 10px 16px; padding: 12px 16px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  margin-bottom: 16px; position: sticky; top: 0; z-index: 5;
}
.setting { display: flex; flex-direction: column; gap: 3px; }
.setting label { font-size: 12px; color: var(--muted); }
.setting input, .setting select {
  width: 120px; padding: 6px 8px; border: 1px solid var(--border);
  border-radius: 6px; font-size: 14px; background: #fff; color: var(--text);
}
.setting-narrow input { width: 80px; }

/* Таблица */
.dashboard { overflow-x: auto; }
table.grid { border-collapse: collapse; width: 100%; background: var(--panel); border-radius: 12px; }
.grid th, .grid td { padding: 7px 9px; border-bottom: 1px solid var(--border); vertical-align: top; }
.grid thead th {
  text-align: left; font-size: 12px; color: var(--muted); font-weight: 600;
  background: var(--panel); position: sticky; top: 0;
}
.sku-row { cursor: default; }
.sku-row:hover td { background: #fafbfc; }
.toggle { cursor: pointer; user-select: none; width: 24px; text-align: center; color: var(--muted); }

.cell-input {
  width: 90px; padding: 4px 6px; border: 1px solid transparent; border-radius: 6px;
  font-size: 13px; text-align: right; background: transparent; color: inherit;
}
.cell-input:hover { border-color: var(--border); background: #fff; }
.cell-input:focus { border-color: var(--accent); background: #fff; outline: none; }
.cell-input.overridden { background: var(--override); border-color: #b8ccf5; }
.cell-dim { width: 56px; }

.detail-wrap > td { background: #fbfcfe; padding: 10px 14px 16px; }
.detail-meta { margin-bottom: 8px; color: var(--muted); }
.cat-select select {
  max-width: 210px; padding: 4px 6px; border: 1px solid var(--border);
  border-radius: 6px; margin-right: 10px; background: #fff; color: var(--text);
}
.cat-missing select { border-color: var(--neg); background: #fdf1ef; }
.cat-input {
  width: 340px; padding: 4px 6px; border: 1px solid var(--border);
  border-radius: 6px; margin-right: 10px; background: #fff; color: var(--text);
  font-size: 13px;
}
.cat-missing .cat-input { border-color: var(--neg); background: #fdf1ef; }
.cat-rates {
  font-size: 12px; color: var(--muted); margin-right: 14px; white-space: nowrap;
}
.cat-rates b { color: var(--text); }
.dims-edit { white-space: nowrap; }

.grid-inner { font-size: 13px; }
.grid-inner .detail-head th { font-size: 11px; }
.detail-row.baseline td { background: #f2f6ff; }

/* Модалка тарифов */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(20, 28, 38, 0.45);
  display: flex; align-items: flex-start; justify-content: center; z-index: 50; overflow-y: auto;
}
.modal {
  background: var(--panel); border-radius: 14px; padding: 18px 22px;
  max-width: 900px; width: calc(100% - 40px); margin: 40px 0;
}
.modal-head { display: flex; justify-content: space-between; align-items: center; }
.modal-head h2 { margin: 0; }
.tariff-mp { border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; margin: 10px 0; }
.tariff-mp summary { cursor: pointer; }
.tariff-mp h4 { margin: 12px 0 6px; }
.tariff-scheme { margin: 6px 0 6px 12px; }
.tariff-scheme summary { cursor: pointer; font-weight: 600; }
.tariff-component { margin: 8px 0 8px 16px; }
.tariff-fields { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 4px; }
.tariff-field { font-size: 12px; color: var(--muted); display: flex; flex-direction: column; }
.tariff-field input {
  width: 110px; padding: 4px 6px; border: 1px solid var(--border); border-radius: 6px;
  background: #fff; color: var(--text);
}
.tariff-field input.overridden { background: var(--override); border-color: #b8ccf5; }
.tariff-cats { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 6px; }
.tariff-cat { display: flex; align-items: center; gap: 10px; }
.tariff-cat > span { flex: 1; }
.tariff-cat .tariff-field { flex-direction: row; align-items: center; gap: 4px; }
.tariff-cat .tariff-field input { width: 70px; }

@media (max-width: 900px) {
  .upload { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; }
}