:root {
  --bg: #f5f6f8; --panel: #fff; --ink: #1d2330; --muted: #6b7385; --line: #dde1e8;
  --accent: #2458d6; --accent-ink: #fff; --danger: #c62f2f; --warn: #b7791f; --ok: #2f855a;
  --err-bg: #fde8e8; --warn-bg: #fff6d6; --ok-bg: #e6f6ec; --void: #9aa1ad;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px; color: var(--ink);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; border: 1px solid var(--line); background: var(--panel); border-radius: 6px;
  padding: 5px 12px; color: var(--ink); }
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
button.danger { color: var(--danger); }
button:disabled { opacity: .5; cursor: default; }
button.link { border: 0; background: none; padding: 0 4px; color: var(--accent); }
input, select, textarea { border: 1px solid var(--line); border-radius: 6px; padding: 5px 8px; background: #fff; }
label { display: inline-flex; gap: 6px; align-items: center; color: var(--muted); }

.shell { display: grid; grid-template-columns: 210px 1fr; min-height: 100vh; }
.side { background: #1f2a44; color: #cfd6e6; padding: 14px 0; display: flex; flex-direction: column; }
.side .brand { font-weight: 700; color: #fff; padding: 0 18px 14px; font-size: 16px; }
.side a { color: inherit; text-decoration: none; padding: 8px 18px; display: flex; justify-content: space-between; }
.side a.active, .side a:hover { background: #2c3a5c; color: #fff; }
.side .me { margin-top: auto; padding: 12px 18px; font-size: 12px; border-top: 1px solid #33415f; }
.badge { background: var(--danger); color: #fff; border-radius: 10px; padding: 0 7px; font-size: 12px; }
.main { padding: 16px 20px; min-width: 0; }
.topbar { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.topbar h1 { font-size: 18px; margin: 0 12px 0 0; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 10px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 12px; margin-bottom: 14px; }
.panel h2 { font-size: 15px; margin: 0 0 8px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.muted { color: var(--muted); }
.totals { display: flex; gap: 22px; font-size: 13px; }
.totals b { font-size: 16px; }
.grid { height: 60vh; width: 100%; }
.grid.small { height: 32vh; }
.grid.input { height: 34vh; }
.grid.fill { height: calc(100vh - 128px); min-height: 360px; }
.hint { color: var(--muted); font-size: 12px; margin: -4px 0 8px; }
.compact.ag-theme-quartz { --ag-font-size: 12px; --ag-cell-horizontal-padding: 8px; --ag-header-height: 30px; }
.ag-theme-quartz .rownum { color: var(--muted); text-align: right; padding-left: 4px; padding-right: 6px; font-variant-numeric: tabular-nums; }
.compact.ag-theme-quartz .ag-cell { line-height: 22px; }
.compact .ag-cell input[type=checkbox] { margin: 0 4px 0 0; vertical-align: -2px; }
.icon-btns { display: inline-flex; gap: 2px; }
button.icon { border: 0; background: none; padding: 0 5px; font-size: 14px; line-height: 1; color: var(--accent); }
button.icon:hover { background: #eef2fb; border-radius: 4px; }
button.icon.danger, button.danger { color: var(--danger); }
a.btn { text-decoration: none; border: 1px solid var(--line); border-radius: 6px; padding: 5px 12px; color: var(--ink); background: var(--panel); }
a.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.st-err { color: var(--danger); }
.st-warn { color: var(--warn); }
.st-ok { color: var(--ok); }
.st-ack { color: var(--warn); font-weight: 600; gap: 6px; cursor: pointer; }
.c-warn { background: var(--warn-bg); box-shadow: inset 0 0 0 2px #e0b341; }
.topbar { gap: 8px; }

.ag-theme-quartz { --ag-font-size: 13px; --ag-row-height: 30px; --ag-header-height: 34px; --ag-header-cell-hover-background-color: transparent; }
.ag-theme-quartz .ag-header-cell-label { line-height: 1.15; }
.r-error { background: var(--err-bg) !important; }
.r-ack { background: var(--warn-bg) !important; }
.r-ok { background: var(--ok-bg) !important; }
.r-void .ag-cell { color: var(--void); text-decoration: line-through; }
.r-storno .ag-cell { font-style: italic; color: var(--muted); }
.r-neg { color: var(--danger); font-weight: 600; }
.c-err { box-shadow: inset 0 0 0 2px var(--danger); }
.c-edit { background: #f3f7ff; }
.st-expired { background: #fbd5d5 !important; }
.st-lt30 { background: #fde6c8 !important; }
.st-lt90 { background: #fff4c2 !important; }
.st-no_expiry { color: var(--muted); }
.pill { display: inline-block; padding: 0 8px; border-radius: 10px; font-size: 12px; background: #eef1f6; }

.login { max-width: 320px; margin: 14vh auto; background: #fff; padding: 26px; border-radius: 10px;
  border: 1px solid var(--line); display: grid; gap: 12px; }
.login h1 { margin: 0 0 6px; font-size: 20px; }
.err { color: var(--danger); min-height: 1em; font-size: 13px; }

#toasts { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 8px; z-index: 50; }
.toast { background: #1f2a44; color: #fff; padding: 10px 14px; border-radius: 8px; max-width: 420px;
  box-shadow: 0 4px 16px rgba(0,0,0,.2); white-space: pre-line; }
.toast.error { background: var(--danger); }
.banner { background: var(--warn-bg); border: 1px solid #f0d58a; padding: 8px 12px; border-radius: 8px; margin-bottom: 10px; }
.fatal { background: var(--err-bg); border: 1px solid #f2b8b8; padding: 12px; border-radius: 8px; color: var(--danger); }

.modal-bg { position: fixed; inset: 0; background: rgba(15,20,35,.4); display: grid; place-items: center; z-index: 40; }
.modal { background: #fff; border-radius: 10px; padding: 18px; width: min(860px, 94vw); max-height: 86vh;
  overflow: auto; display: grid; gap: 12px; }
.modal h3 { margin: 0; }
.modal .actions { display: flex; justify-content: flex-end; gap: 8px; }
.form { display: grid; grid-template-columns: 150px 1fr; gap: 8px 12px; align-items: center; }
.form label { justify-content: flex-end; }
table.plain { border-collapse: collapse; width: 100%; font-size: 13px; }
table.plain th, table.plain td { border-bottom: 1px solid var(--line); padding: 5px 8px; text-align: left; vertical-align: top; }
.diff-old { color: var(--danger); text-decoration: line-through; }
.diff-new { color: var(--ok); font-weight: 600; }

.ac-list { position: absolute; background: #fff; border: 1px solid var(--line); border-radius: 6px;
  box-shadow: 0 6px 20px rgba(0,0,0,.15); max-height: 260px; overflow: auto; min-width: 360px; z-index: 60; }
.ac-list div { padding: 5px 10px; cursor: pointer; white-space: nowrap; }
.ac-list div.sel, .ac-list div:hover { background: #eaf0ff; }
.ac-list .sub { color: var(--muted); font-size: 12px; margin-left: 8px; }

@media (max-width: 800px) {
  .shell { grid-template-columns: 1fr; }
  .side { flex-direction: row; overflow-x: auto; padding: 0; }
  .side .brand, .side .me { display: none; }
  .main { padding: 12px 16px; }
}

button.icon.new-sku { font-size: 11px; font-weight: 600; color: var(--ok); }
button.new-sku-btn { color: var(--ok); border-color: #9fd3b3; }
.pill.new { background: #e6f6ec; color: var(--ok); font-weight: 600; }
.newsku { display: grid; gap: 10px; }
.newsku-item { border: 1px solid var(--line); border-radius: 8px; padding: 10px; display: grid; gap: 6px; }
.newsku-item .row > input[type=text], .newsku-item .row > input:not([type]) { flex: 1; }
.stack { display: grid; gap: 10px; }
.stack > label { display: grid; gap: 4px; color: var(--muted); }
.stack > label > select, .stack > label > input { color: var(--ink); max-width: 520px; }
[hidden] { display: none !important; }