:root {
  --bg: #f4f5f7;
  --card: #fff;
  --text: #1f2328;
  --muted: #6b7280;
  --border: #e3e5e8;
  --primary: #2563eb;
  --danger: #dc2626;
  --sidebar: #111827;
  --sidebar-text: #cbd5e1;
  --subtotal: #fff8db;
  --ok-bg: #e7f6ec;
  --ok-text: #166534;
  --err-bg: #fdecec;
  --err-text: #991b1b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 24px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 0 0 12px; }
.muted { color: var(--muted); }

/* Karkas: bokovoye menyu + soderjimoye */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 230px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  background: var(--sidebar);
  color: var(--sidebar-text);
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar .brand { color: #fff; font-weight: 600; font-size: 18px; padding: 0 10px 20px; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.sidebar nav a { color: var(--sidebar-text); padding: 8px 10px; border-radius: 6px; }
.sidebar nav a:hover { background: #1f2937; text-decoration: none; }
.sidebar nav a.active { background: var(--primary); color: #fff; }
.sidebar .me { border-top: 1px solid #1f2937; padding: 14px 10px 0; font-size: 14px; }
.sidebar .me-name { color: #fff; margin-bottom: 4px; }
.sidebar .me-links { display: flex; gap: 14px; margin-top: 10px; }
.sidebar .me-links a, .sidebar .me-links .link { color: var(--sidebar-text); font-size: 13px; }

.content { flex: 1; min-width: 0; padding: 24px 28px; max-width: 1280px; }
.center { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 16px; }

.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.page-head h1 { margin: 0; }
.page-actions { display: flex; gap: 8px; align-items: center; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}
.card-head { display: flex; justify-content: space-between; align-items: baseline; }
.narrow { max-width: 420px; }
.form-wide { max-width: 760px; }
.login { width: 100%; max-width: 360px; }

/* Formi */
label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--muted); }
input, select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  font: inherit;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
}
input:focus, select:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
.hint { display: block; margin-top: 4px; font-size: 12px; }

button, .button {
  display: inline-block;
  padding: 8px 16px;
  font: inherit;
  color: #fff;
  background: var(--primary);
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}
button:hover, .button:hover { filter: brightness(1.1); text-decoration: none; }
.button.secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
button.small { padding: 4px 10px; font-size: 13px; }
button.danger { background: var(--danger); }
button.link { background: none; padding: 0; color: var(--primary); }
button.link:hover { text-decoration: underline; filter: none; }
button.danger-link { color: var(--danger); }
.login button { width: 100%; margin-top: 4px; }

form.inline { display: inline-flex; align-items: center; gap: 6px; margin: 0; }
form.inline input { width: 140px; margin: 0; padding: 4px 8px; font-size: 13px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0 16px; }

.filters { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; padding: 14px 16px; }
.filters label { margin: 0; min-width: 170px; }
.filters .grow { flex: 1; min-width: 200px; }
.filter-buttons { display: flex; gap: 12px; align-items: center; }

.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; }
.center .alert { width: 100%; max-width: 360px; }
.alert-ok { background: var(--ok-bg); color: var(--ok-text); }
.alert-err { background: var(--err-bg); color: var(--err-text); }

.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; }
.badge-admin { background: #ede9fe; color: #5b21b6; }
.badge-seller { background: #e0f2fe; color: #075985; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; margin-bottom: 16px; }
.stats .card { margin: 0; }
.stat span { display: block; color: var(--muted); font-size: 13px; }
.stat strong { font-size: 26px; font-variant-numeric: tabular-nums; }

/* Tablitsi */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); vertical-align: middle; white-space: nowrap; }
th { font-size: 13px; color: var(--muted); font-weight: 500; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.disabled td { color: var(--muted); }
td.actions { display: flex; gap: 12px; flex-wrap: wrap; }
td.row-actions { text-align: right; }
td.row-actions > * { margin-left: 12px; }

table.stock td { padding: 6px 8px; font-size: 14px; }
table.stock tbody tr:hover td { background: #f8fafc; }
tr.subtotal td { background: var(--subtotal); font-weight: 600; }
tr.total td { font-weight: 700; border-top: 2px solid var(--text); border-bottom: 0; }

/* Telefon: menyu sverxu */
@media (max-width: 760px) {
  .app { flex-direction: column; }
  .sidebar { width: auto; height: auto; position: static; padding: 12px 16px; }
  .sidebar .brand { padding: 0 0 8px; }
  .sidebar nav { flex-direction: row; flex-wrap: wrap; }
  .sidebar .me { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding-top: 10px; margin-top: 8px; }
  .sidebar .me-name { margin: 0; }
  .sidebar .me-links { margin: 0; }
  .content { padding: 16px; }
}

/* Import */
.last-import { margin: -8px 0 16px; font-size: 13px; }
.small-text { font-size: 13px; margin: 12px 0 0; }
.stat small { display: block; color: var(--muted); font-size: 12px; }
.card-err { border-color: #f5c2c2; background: var(--err-bg); color: var(--err-text); }
.card-err ul.errors { margin: 0; padding-left: 18px; max-height: 320px; overflow-y: auto; }
.tag { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; }
.tag-new { background: #e0f2fe; color: #075985; }
.tag-warn { background: #fef3c7; color: #92400e; }
.check-ok { color: var(--ok-text); }
.check-bad { color: var(--danger); }
details.card summary { cursor: pointer; font-weight: 600; }
details.card[open] summary { margin-bottom: 12px; }
.confirm { border-color: var(--primary); }
.confirm p { margin-top: 0; }

/* Prodaji */
.section-title { font-size: 15px; color: var(--muted); font-weight: 500; margin: 8px 0 10px; }
.alert-warn { background: #fef3c7; color: #92400e; }
.periods { display: flex; gap: 6px; flex-wrap: wrap; width: 100%; }
.periods a { padding: 3px 10px; border: 1px solid var(--border); border-radius: 999px; font-size: 13px; color: var(--text); }
.periods a.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.periods a:hover { text-decoration: none; border-color: var(--primary); }

.picker { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin-bottom: 16px; }
.picker input { grid-column: 1 / -1; margin: 0; }
.picker select { margin: 0; font-size: 14px; }
.picker select optgroup { font-weight: 600; }
.picker button { align-self: start; }

table.lines td { vertical-align: top; }
table.lines .small-input { display: inline-block; width: 90px; margin: 0; padding: 5px 8px; }
table.lines tr.over td { background: var(--err-bg); }
table.lines tr.over .small-input { border-color: var(--danger); }
.unit { color: var(--muted); font-size: 13px; }

.secondary-btn { background: #fff; color: var(--text); border: 1px solid var(--border); }
.receipt { max-width: 900px; }
.receipt-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.receipt-head h2 { margin: 0; }
.receipt-meta { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 16px 0; }
.receipt-meta dt { color: var(--muted); }
.receipt-meta dd { margin: 0; }
.big-tag { font-size: 14px; padding: 4px 12px; }

@media (max-width: 760px) {
  .picker { grid-template-columns: 1fr; }
}

@media print {
  .sidebar, .no-print, .alert { display: none !important; }
  body { background: #fff; }
  .content { padding: 0; max-width: none; }
  .card { border: 0; padding: 0; }
}

/* Shtrix-kodi i skaner */
textarea {
  display: block; width: 100%; margin-top: 4px; padding: 8px 10px;
  font: 14px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; resize: vertical;
}
textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
.input-with-btn { display: flex; gap: 6px; margin-top: 4px; }
.input-with-btn input { margin: 0; }
.input-with-btn button { flex-shrink: 0; }
.tag-code { background: #f1f5f9; color: #334155; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.codes { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.codes .link { color: var(--muted); padding: 0 2px; }
.scan-msg { margin: -4px 0 12px; padding: 6px 10px; border-radius: 6px; font-size: 14px; }
.scan-msg.ok { background: var(--ok-bg); color: var(--ok-text); }
.scan-msg.bad { background: var(--err-bg); color: var(--err-text); }
.picker-box { margin-bottom: 16px; }
.picker-box summary { cursor: pointer; color: var(--primary); font-size: 14px; margin-bottom: 8px; }

.scanner-overlay {
  position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center;
  background: rgba(17, 24, 39, 0.7); padding: 16px;
}
.scanner-box { background: #fff; border-radius: 12px; padding: 16px; width: 100%; max-width: 480px; }
.scanner-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
#scanner-view { width: 100%; min-height: 200px; background: #000; border-radius: 8px; overflow: hidden; }
#scanner-view video { width: 100% !important; }
.scanner-msg { margin: 10px 0 0; font-size: 14px; }

/* Nastroyki */
label.checkbox { display: flex; align-items: center; gap: 8px; color: var(--text); font-size: 15px; margin: 4px 0 16px; }
label.checkbox input { width: auto; margin: 0; }
code { background: #f1f5f9; padding: 1px 5px; border-radius: 4px; font-size: 13px; }

/* Vkladki vida otchota */
.tabs { display: flex; gap: 4px; margin-bottom: 8px; border-bottom: 1px solid var(--border); }
.tabs a { padding: 8px 14px; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a:hover { color: var(--text); text-decoration: none; }
.tabs a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
@media print {
  .row-actions, th:last-child:empty { display: none; }
  table.stock td, table.stock th { padding: 2px 4px; font-size: 11px; }
}
table.sync td { padding: 6px 8px; white-space: normal; }
.script-switch { margin-top: 16px; font-size: 13px; }
.agent-check { display: flex; flex-direction: column; justify-content: flex-end; gap: 8px; margin-bottom: 12px; }
.agent-check .scan-msg { margin: 0; }
ol.steps { padding-left: 20px; margin: 8px 0 16px; }
ol.steps li { margin-bottom: 4px; }
.agent-actions { margin-top: 12px; justify-content: space-between; }