:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-soft: #eef2f6;
  --text: #18202b;
  --muted: #667085;
  --border: #d9e0e8;
  --primary: #165d7d;
  --primary-strong: #0f435a;
  --accent: #2c7a4b;
  --danger: #b42318;
  --warning-bg: #fff7df;
  --warning-border: #e9c86f;
  --shadow: 0 18px 40px rgba(24, 32, 43, 0.08);
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--primary); }
button, input, select { font: inherit; }
.shell { min-height: 100vh; display: grid; grid-template-columns: 260px 1fr; }
.sidebar { position: sticky; top: 0; height: 100vh; padding: 22px; background: #111821; color: #fff; display: flex; flex-direction: column; gap: 28px; }
.brand { color: #fff; text-decoration: none; display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 42px; height: 42px; border-radius: 8px; display: grid; place-items: center; background: #d9f2e3; color: #123524; font-weight: 800; }
.brand small, .metric span, .panel-heading span, .activity-item small, .recommendation small, .definition-list dt, .eyebrow { color: var(--muted); }
.brand small { display: block; color: #9aa8b8; }
.nav { display: grid; gap: 8px; }
.nav a { color: #d9e3ee; text-decoration: none; padding: 11px 12px; border-radius: 8px; }
.nav a.active, .nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.11); }
.logout { margin-top: auto; }
.main { padding: 34px; min-width: 0; }
.main-centered { grid-column: 1 / -1; display: grid; place-items: center; }
.login-panel { width: min(560px, calc(100vw - 36px)); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; box-shadow: var(--shadow); padding: 32px; display: grid; gap: 22px; }
.setup-panel { width: min(820px, calc(100vw - 36px)); }
.page-header, .panel-heading, .button-row, .row-actions, .customer-row, .activity-item { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.page-header { margin-bottom: 22px; }
.page-header h1, .login-panel h1, .error-panel h1 { margin: 0; font-size: 34px; line-height: 1.1; letter-spacing: 0; }
.eyebrow { margin: 0 0 8px; text-transform: uppercase; font-size: 12px; font-weight: 800; letter-spacing: 0; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.primary-button, .secondary-button, .ghost-button { min-height: 42px; border-radius: 8px; border: 1px solid transparent; padding: 10px 16px; cursor: pointer; font-weight: 700; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; white-space: nowrap; }
.primary-button { background: var(--primary); color: #fff; }
.primary-button:hover { background: var(--primary-strong); }
.secondary-button { background: var(--surface); border-color: var(--border); color: var(--text); }
.ghost-button { background: transparent; border-color: var(--border); color: inherit; }
.compact { min-height: 34px; padding: 7px 11px; font-size: 13px; }
.link-button { text-decoration: none; }
.stack { display: grid; gap: 16px; }
label { display: grid; gap: 8px; color: var(--muted); font-weight: 700; }
input, select { min-height: 44px; border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; color: var(--text); background: #fff; }
.flash, .notice { margin-bottom: 18px; padding: 14px 16px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
.flash.success { border-color: rgba(44, 122, 75, 0.35); background: #edf8f1; }
.flash.error { border-color: rgba(180, 35, 24, 0.35); background: #fff0ee; }
.notice.warning { border-color: var(--warning-border); background: var(--warning-bg); }
.metric-grid { display: grid; grid-template-columns: repeat(5, minmax(130px, 1fr)); gap: 14px; margin-bottom: 18px; }
.metric, .panel { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; box-shadow: 0 1px 2px rgba(24, 32, 43, 0.04); }
.metric { padding: 18px; display: grid; gap: 8px; }
.metric strong { font-size: 24px; letter-spacing: 0; }
.two-column, .settings-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr); gap: 18px; margin-bottom: 18px; }
.settings-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.panel { padding: 18px; min-width: 0; }
.panel-heading { margin-bottom: 16px; }
.panel-heading h2 { margin: 0; font-size: 18px; letter-spacing: 0; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 10px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; }
td small { display: block; color: var(--muted); margin-top: 4px; }
.pill { display: inline-flex; align-items: center; min-height: 24px; border-radius: 999px; padding: 3px 9px; background: var(--surface-soft); color: var(--text); font-size: 12px; font-weight: 800; }
.pill.approved { background: #edf8f1; color: var(--accent); }
.pill.rejected { background: #fff0ee; color: var(--danger); }
.summary { padding: 12px; background: var(--surface-soft); border-radius: 8px; }
.recommendations, .activity-list, .customer-list { display: grid; gap: 12px; }
.recommendation { display: grid; gap: 10px; padding: 14px; border: 1px solid var(--border); border-radius: 8px; }
.recommendation h3, .recommendation p { margin: 0; }
.risk { margin-left: 8px; color: var(--muted); font-size: 12px; }
.row-actions { justify-content: flex-start; flex-wrap: wrap; }
.activity-item, .customer-row { border-top: 1px solid var(--border); padding-top: 12px; }
.customer-row { width: 100%; }
.definition-list { display: grid; gap: 14px; margin: 0 0 18px; }
.definition-list div { display: grid; gap: 4px; }
.definition-list dd { margin: 0; overflow-wrap: anywhere; }
.empty { color: var(--muted); margin: 0; }
.error-panel { max-width: 900px; }
@media (max-width: 1100px) {
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .two-column, .settings-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .shell { display: block; }
  .sidebar { position: static; height: auto; }
  .main { padding: 18px; }
  .page-header { align-items: flex-start; flex-direction: column; }
  .metric-grid { grid-template-columns: 1fr; }
}