:root {
  --bg: #f2f4f7;
  --surface: #fafbfd;
  --fg: #172235;
  --muted: #58677c;
  --border: #cfd6df;
  --accent: #174cc7;
  --accent-on: #f8faff;
  --font-display: "Golos Text", sans-serif;
  --font-body: "Golos Text", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --radius: 6px;
  --space-section: 64px;
  --orders: #174cc7;
  --buyouts: #14805e;
  --returns: #9a4d37;
  --danger: #a43338;
  --success-bg: #e6f3ed;
}
* { box-sizing: border-box; }
html { color-scheme: light; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--fg); font-family: var(--font-body); font-size: 16px; line-height: 1.5; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
[hidden] { display: none !important; }
h1, h2, h3, p { margin-block-start: 0; }
h1 { margin-block-end: 8px; font-size: 2rem; line-height: 1.12; letter-spacing: -.035em; }
h2 { margin-block-end: 4px; font-size: 1.25rem; }
h3 { margin-block-end: 8px; font-size: 1rem; }
.muted { color: var(--muted); margin-block-end: 0; }
.section-label { margin-block-end: 8px; color: var(--muted); font-family: var(--font-mono); font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding: 10px 16px; border: 1px solid transparent; border-radius: var(--radius); font-weight: 600; text-decoration: none; transition: background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease; }
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button:disabled { cursor: wait; opacity: .55; transform: none; }
.button.primary { background: var(--accent); color: var(--accent-on); }
.button.primary:hover { background: #0e3fae; }
.button.secondary { border-color: var(--border); background: var(--surface); color: var(--fg); }
.button.secondary:hover { border-color: #9ba8b8; background: #eef1f5; }
.text-button { min-height: 44px; padding: 8px 4px; border: 0; background: transparent; color: var(--accent); text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 3px; }
.text-button:hover { text-decoration-color: currentColor; }
:focus-visible { outline: 3px solid rgba(23, 76, 199, .28); outline-offset: 2px; }
label { display: grid; gap: 6px; color: var(--muted); font-size: .83rem; font-weight: 600; }
input, select { min-height: 44px; min-width: 0; padding: 9px 11px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--fg); font-weight: 400; }
input:hover, select:hover { border-color: #aeb8c6; }
input:focus, select:focus { border-color: var(--accent); outline: 0; box-shadow: 0 0 0 3px rgba(23,76,199,.12); }
small { display: block; color: var(--muted); font-weight: 400; }
.form-message { color: var(--muted); margin: 0; }
.form-message.error, .error { color: var(--danger); }
.toast { position: fixed; z-index: 20; inset-block-start: 16px; inset-inline-end: 16px; max-width: min(420px, calc(100vw - 32px)); padding: 12px 16px; border: 1px solid #a9cfc0; border-radius: var(--radius); background: var(--success-bg); color: #1e5947; opacity: 0; pointer-events: none; transform: translateY(-8px); transition: opacity .2s ease, transform .2s ease; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { border-color: #dfb0b2; background: #f8e9ea; color: var(--danger); }

.auth-screen { min-height: 100svh; display: grid; background: var(--surface); }
.auth-copy { position: relative; display: flex; min-height: 44svh; flex-direction: column; justify-content: space-between; overflow: hidden; padding: 32px 24px; background: #15233b; color: #f4f7fc; }
.wordmark { font-weight: 700; }
.auth-copy h1 { max-width: 10ch; margin-block-end: 16px; font-size: clamp(2.4rem, 9vw, 5.8rem); letter-spacing: -.055em; }
.auth-copy > p:not(.auth-kicker) { max-width: 44ch; color: #c7d1df; }
.auth-kicker { color: #aab9cd; font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; }
.auth-ruler { position: absolute; inset-inline: 50% 24px; inset-block-end: 32px; display: flex; justify-content: space-between; border-block-end: 1px solid #8291a6; }
.auth-ruler span { width: 1px; height: 10px; background: #8291a6; }
.auth-form-wrap { display: grid; place-items: center; padding: 40px 24px; }
.auth-form { display: grid; width: min(420px, 100%); gap: 20px; }
.auth-form .button { margin-block-start: 4px; }

.app-shell { min-height: 100svh; }
.sidebar { position: sticky; z-index: 10; inset-block-start: 0; display: flex; height: 72px; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 16px; border-block-end: 1px solid var(--border); background: rgba(250,251,253,.96); }
.brand-block { display: flex; align-items: center; gap: 10px; }
.brand-mark { display: grid; width: 38px; height: 38px; place-items: center; background: var(--fg); color: var(--surface); font-family: var(--font-mono); font-weight: 600; }
.brand-block div:last-child { display: none; }
.brand-block span { display: block; color: var(--muted); font-size: .72rem; }
.sidebar nav { display: flex; gap: 4px; }
.nav-item { min-height: 44px; padding: 8px 12px; border: 0; border-radius: var(--radius); background: transparent; color: var(--muted); font-weight: 600; }
.nav-item span { display: none; }
.nav-item:hover, .nav-item.active { background: #e6eaf0; color: var(--fg); }
.sidebar-foot { display: none; }
.workspace { min-width: 0; padding: 32px 16px 72px; }
.view { max-width: 1460px; margin-inline: auto; }
.page-header, .section-heading, .chart-heading, .form-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.page-header { margin-block-end: 28px; }
.sync-feedback { margin-block: -8px 28px; padding: 16px 18px; border: 1px solid var(--border); border-inline-start: 4px solid var(--accent); background: var(--surface); }
.sync-feedback-heading { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 20px; }
.sync-feedback-heading span { color: var(--muted); font-family: var(--font-mono); font-size: .78rem; }
.sync-feedback-items { display: grid; gap: 8px; margin-block-start: 12px; }
.sync-feedback-item { display: grid; grid-template-columns: minmax(110px,.35fr) minmax(0,1fr); gap: 12px; padding-block-start: 8px; border-block-start: 1px solid var(--border); }
.sync-feedback-item span { overflow-wrap: anywhere; color: var(--muted); }
.sync-feedback-item.running span { color: var(--accent); }
.sync-feedback-item.success span { color: #1c7256; }
.sync-feedback-item.error span { color: var(--danger); }
.filter-strip { display: grid; gap: 12px; margin-block-end: 32px; padding-block: 16px; border-block: 1px solid var(--border); }
.filter-strip label { min-width: 0; }
.filter-strip select[multiple] { height: 44px; }
.quick-periods { display: flex; align-self: end; gap: 2px; }
.quick-periods button { min-height: 44px; padding: 8px 10px; border: 0; border-block-end: 2px solid transparent; background: transparent; color: var(--muted); }
.quick-periods button:hover, .quick-periods button.active { border-color: var(--accent); color: var(--fg); }
.metric-band { display: grid; margin-block-end: 40px; border-block: 1px solid var(--border); }
.metric { min-width: 0; padding: 20px 8px; border-block-end: 1px solid var(--border); }
.metric:last-child { border-block-end: 0; }
.metric span, .metric small { color: var(--muted); }
.metric strong { display: block; margin-block: 6px 2px; font-family: var(--font-mono); font-size: 2.35rem; line-height: 1; letter-spacing: -.04em; }
.primary-metric strong { color: var(--orders); }
.quiet { opacity: .78; }
.chart-section { position: relative; min-height: 430px; padding-block-end: 40px; border-block-end: 1px solid var(--border); }
.legend { display: flex; gap: 16px; }
.legend-item { display: inline-flex; min-height: 44px; align-items: center; gap: 7px; padding: 6px; border: 0; background: transparent; color: var(--fg); }
.legend-item.off { opacity: .36; text-decoration: line-through; }
.legend-item i { display: block; width: 22px; height: 3px; }
.orders-color { background: var(--orders); }
.buyouts-color { background: var(--buyouts); }
.chart { min-height: 330px; margin-block-start: 24px; overflow: hidden; }
.chart svg { display: block; width: 100%; height: 330px; overflow: visible; }
.chart text { fill: var(--muted); font-family: var(--font-mono); font-size: 11px; }
.chart .grid { stroke: var(--border); stroke-width: 1; }
.chart .axis { stroke: #9eabba; }
.chart .order-line { fill: none; stroke: var(--orders); stroke-width: 3; vector-effect: non-scaling-stroke; }
.chart .buyout-line { fill: none; stroke: var(--buyouts); stroke-width: 3; vector-effect: non-scaling-stroke; }
.chart .area { fill: rgba(23,76,199,.05); }
.chart circle { stroke: var(--surface); stroke-width: 2; }
.empty-state { display: grid; min-height: 300px; place-content: center; gap: 4px; color: var(--muted); text-align: center; }
.empty-state strong { color: var(--fg); }
.data-section { padding-block: var(--space-section) 0; }
.table-wrap { width: 100%; margin-block-start: 20px; overflow-x: auto; border-block: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { padding: 13px 12px; border-block-end: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { color: var(--muted); font-size: .74rem; letter-spacing: .035em; text-transform: uppercase; }
td:not(:first-child) { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
tbody tr:hover { background: #edf0f4; }
.checkbox-cell { width: 74px; text-align: center; }
td.checkbox-cell input { width: 20px; min-height: 20px; accent-color: var(--accent); }

.settings-layout { display: grid; gap: 28px; }
.settings-nav { display: flex; gap: 2px; overflow-x: auto; border-block-end: 1px solid var(--border); }
.settings-nav button { flex: 0 0 auto; min-height: 44px; padding: 8px 12px; border: 0; border-block-end: 2px solid transparent; background: transparent; color: var(--muted); }
.settings-nav button:hover, .settings-nav button.active { border-color: var(--accent); color: var(--fg); }
.settings-tab { min-width: 0; }
.accounts-list { margin-block-start: 24px; border-block-start: 1px solid var(--border); }
.account-row { display: grid; gap: 12px; padding-block: 18px; border-block-end: 1px solid var(--border); }
.account-identity strong { display: block; }
.account-identity span, .account-meta { color: var(--muted); font-size: .84rem; }
.account-status { align-self: center; font-family: var(--font-mono); font-size: .78rem; }
.account-status.ok { color: #1c7256; }
.account-status.bad { color: var(--danger); }
.account-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.account-actions button { min-height: 40px; padding: 6px 10px; border: 1px solid var(--border); border-radius: var(--radius); background: transparent; color: var(--fg); }
.account-actions button:hover { background: #e8ecf1; }
.credential-form { grid-column: 1 / -1; display: grid; gap: 12px; padding: 16px; border: 1px solid var(--border); background: var(--surface); }
.credential-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.panel-form { display: grid; gap: 20px; margin-block-start: 28px; padding: 24px; border: 1px solid var(--border); background: var(--surface); }
.form-grid { display: grid; gap: 16px; }
.form-actions { display: flex; align-items: center; gap: 16px; }
.toolbar { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; margin-block-start: 24px; }
.toolbar .grow { flex: 1 1 260px; }
.selection-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-block-start: 20px; color: var(--muted); }
.selection-bar div { display: flex; gap: 12px; }
.product-name { max-width: 44ch; overflow-wrap: anywhere; font-family: var(--font-body) !important; }
.status-text { font-family: var(--font-body) !important; font-size: .82rem; }
.status-text.inactive { color: var(--danger); }
.narrow-form { display: grid; max-width: 560px; gap: 18px; margin-block-start: 28px; }
.narrow-form .button { justify-self: start; }
.sync-log { margin-block-start: 48px; }
.sync-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; padding-block: 12px; border-block-end: 1px solid var(--border); }
.sync-row span { color: var(--muted); font-family: var(--font-mono); font-size: .78rem; }
.import-preview { max-width: 720px; margin-block-start: 24px; padding: 20px; border: 1px solid var(--border); background: var(--surface); }

@media (min-width: 680px) {
  .filter-strip { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .metric-band { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .metric { padding-inline: 20px; border-inline-end: 1px solid var(--border); }
  .metric:nth-child(2n) { border-inline-end: 0; }
  .form-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .account-row { grid-template-columns: minmax(180px,1.2fr) minmax(150px,1fr) auto; align-items: center; }
  .account-actions { justify-content: flex-end; }
}
@media (min-width: 920px) {
  .auth-screen { grid-template-columns: minmax(0,1.35fr) minmax(380px,.65fr); }
  .auth-copy { min-height: 100svh; padding: 48px; }
  .auth-form-wrap { padding: 64px; }
  .app-shell { display: grid; grid-template-columns: 224px minmax(0,1fr); }
  .sidebar { position: sticky; inset-block-start: 0; display: flex; height: 100svh; flex-direction: column; align-items: stretch; padding: 24px 16px; border-inline-end: 1px solid var(--border); border-block-end: 0; }
  .brand-block div:last-child { display: block; }
  .sidebar nav { display: grid; gap: 4px; margin-block-start: 40px; }
  .nav-item { display: grid; grid-template-columns: 28px 1fr; align-items: center; text-align: left; }
  .nav-item span { display: inline; color: #7d8a9c; font-family: var(--font-mono); font-size: .67rem; }
  .sidebar-foot { display: flex; margin-block-start: auto; align-items: center; justify-content: space-between; gap: 10px; color: var(--muted); font-size: .82rem; }
  .workspace { padding: 48px 40px 96px; }
  .filter-strip { grid-template-columns: 150px 150px minmax(220px,1fr) 160px auto; align-items: end; }
  .metric-band { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .metric { border-block-end: 0; }
  .metric:nth-child(2n) { border-inline-end: 1px solid var(--border); }
  .metric:last-child { border-inline-end: 0; }
  .settings-layout { grid-template-columns: 180px minmax(0,1fr); gap: 48px; }
  .settings-nav { display: grid; align-content: start; gap: 2px; border-block-end: 0; }
  .settings-nav button { text-align: left; border-block-end: 0; border-inline-start: 2px solid transparent; }
  .settings-nav button:hover, .settings-nav button.active { border-color: var(--accent); background: #e8ecf1; }
}
@media (min-width: 1280px) {
  .workspace { padding-inline: 56px; }
  .chart svg { height: 380px; }
  .chart { min-height: 380px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}