:root {
  font-family: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  color: #17243a;
  background: #f5f7fb;
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.5; }
button, input { font: inherit; }
button { cursor: pointer; }
button:disabled { opacity: .6; cursor: wait; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.topbar { background: #fff; border-bottom: 1px solid #e4e9f1; }
.header-content { display: flex; justify-content: space-between; gap: 18px; align-items: center; min-height: 74px; }
.brand { display: flex; gap: 12px; align-items: center; color: #14243c; text-decoration: none; font-size: 21px; font-weight: 760; }
.brand small { display: block; color: #69788c; font-size: 11px; font-weight: 500; line-height: 1.2; }
.brand-icon { display: grid; place-items: center; color: #fff; background: #2864ce; border-radius: 12px; width: 42px; height: 42px; font-size: 24px; }
.status-pill { padding: 7px 11px; border: 1px solid transparent; border-radius: 20px; font-size: 12px; font-weight: 650; white-space: nowrap; }
.status-loading { background: #eef1f5; color: #57657a; }
.status-online { background: #e5f7ef; color: #137a47; border-color: #c8ecd8; }
.status-demo { background: #eaf0ff; color: #315fb8; border-color: #d4e0ff; }
.status-offline { background: #ffeded; color: #a53030; border-color: #f3cccc; }
.page-heading { display: flex; align-items: end; justify-content: space-between; padding: 33px 0 25px; }
h1 { font-size: clamp(29px, 4vw, 39px); line-height: 1.2; letter-spacing: -.03em; margin: 5px 0 12px; }
h2 { margin: 0; font-size: 18px; line-height: 1.35; }
.eyebrow { margin: 0; color: #2864ce; font-size: 12px; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
.intro, .muted { color: #6b788c; margin: 0; }
.intro { max-width: 700px; }
.muted { font-size: 13px; margin-top: 3px; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 15px; margin-bottom: 23px; }
.stat-card { background: #fff; border: 1px solid #e6eaf1; padding: 21px; border-radius: 14px; box-shadow: 0 4px 15px #162c4510; }
.stat-card p { font-size: 13px; color: #66758a; margin: 0; }
.stat-card strong { display: block; font-size: 28px; letter-spacing: -.035em; margin: 5px 0 0; }
.stat-card small { color: #96a0af; font-size: 12px; }
.stat-warning strong { color: #bd7920; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1.9fr) minmax(310px, 1fr); gap: 20px; align-items: start; }
.panel { background: #fff; border: 1px solid #e6eaf1; box-shadow: 0 4px 16px #162c4510; border-radius: 15px; padding: 22px; }
.panel-heading { display: flex; gap: 12px; justify-content: space-between; align-items: start; margin-bottom: 22px; }
.button-secondary { background: #f4f7fc; border: 1px solid #dce4f0; border-radius: 9px; padding: 8px 12px; color: #305b9c; font-weight: 650; font-size: 13px; white-space: nowrap; }
.button-secondary:hover { background: #eaf1fc; }
.filters { display: flex; justify-content: space-between; align-items: center; gap: 13px; margin-bottom: 18px; }
.search-wrap { flex: 1; }
input[type="search"], input[type="text"], input[type="number"] { width: 100%; height: 42px; padding: 10px 12px; border: 1px solid #d8e0eb; border-radius: 9px; background: #fff; color: #14243c; outline-offset: 2px; }
input:focus-visible, button:focus-visible { outline: 2px solid #2766d0; outline-offset: 2px; }
input::placeholder { color: #9da7b7; }
.check-filter { display: flex; gap: 7px; align-items: center; font-size: 12px; color: #67778b; white-space: nowrap; cursor: pointer; }
.check-filter input { accent-color: #2864ce; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; white-space: nowrap; }
th { color: #7b8899; font-size: 11px; font-weight: 750; text-transform: uppercase; letter-spacing: .035em; padding: 12px 9px; background: #f8fafd; }
td { padding: 13px 9px; font-size: 13px; border-bottom: 1px solid #eef1f5; }
tr:last-child td { border-bottom: none; }
th.number, td.number { text-align: right; font-variant-numeric: tabular-nums; }
.product-cell { display: flex; gap: 10px; align-items: center; }
.product-photo { object-fit: cover; border: 1px solid #e8edf4; border-radius: 9px; height: 44px; width: 44px; background: #eef3fb; }
.product-name { white-space: normal; min-width: 130px; max-width: 180px; font-weight: 650; line-height: 1.3; }
.stock-label { display: inline-block; border-radius: 20px; padding: 4px 7px; font-size: 11px; font-weight: 750; }
.stock-ok { background: #e9f8ef; color: #16824d; }
.stock-low { background: #fff3dd; color: #a36513; }
.empty-state { text-align: center; margin: 22px 0 8px; color: #778496; font-size: 13px; }
.form-panel label:not(.check-filter) { display: block; font-size: 13px; font-weight: 650; margin: 16px 0 7px; }
.form-two-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.button-primary { background: #2864ce; color: #fff; padding: 11px 16px; border: 1px solid #2864ce; border-radius: 9px; font-weight: 700; width: 100%; margin-top: 21px; }
.button-primary:hover { background: #1f55b5; }
.form-message { font-size: 12px; min-height: 18px; color: #3864a0; margin: 11px 0 0; }
.help-note { margin-top: 28px; padding: 14px; border: 1px solid #e2eafa; border-radius: 11px; background: #f5f8ff; }
.help-note strong { display: block; font-size: 12px; color: #315f9f; }
.help-note p { color: #687e98; font-size: 12px; margin: 4px 0 0; }
.global-message { padding: 13px 15px; border: 1px solid #f3cdcd; background: #fff0f0; color: #9b2e2e; border-radius: 10px; margin: 0 0 18px; }
.site-footer { margin: 31px 0 32px; color: #8b98a8; font-size: 12px; text-align: center; }
.visually-hidden { position: absolute; height: 1px; width: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
@media (max-width: 990px) {
  .content-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 580px) {
  .container { width: min(100% - 24px, 1180px); }
  .header-content { min-height: 69px; }
  .brand { font-size: 17px; }
  .brand-icon { width: 38px; height: 38px; }
  .status-pill { font-size: 10px; padding: 6px 7px; }
  .page-heading { padding-top: 26px; }
  .stats { gap: 9px; }
  .stat-card { padding: 13px; }
  .stat-card strong { font-size: 22px; }
  .panel { padding: 16px; }
  .filters { align-items: stretch; flex-direction: column; }
}