:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --ink: #17202a;
  --muted: #657282;
  --line: #d9e0e7;
  --brand: #245c9c;
  --brand-2: #207567;
  --danger: #b42318;
  --warning: #8a5a00;
  --success: #176b3a;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }
a { text-decoration: none; }

.app-shell { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.sidebar { background: #162231; color: #fff; padding: 18px 14px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { display: flex; gap: 10px; align-items: center; font-weight: 700; font-size: 18px; margin-bottom: 18px; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 8px; background: #f2c94c; color: #162231; }
.menu { display: grid; gap: 4px; }
.menu a { color: #dce6ef; padding: 10px 12px; border-radius: 8px; font-size: 14px; }
.menu a:hover, .menu a.active { background: rgba(255,255,255,.12); color: #fff; }
.content { padding: 24px; min-width: 0; }
.topbar { display: flex; justify-content: space-between; align-items: end; margin-bottom: 22px; }
.topbar h1 { margin: 0; font-size: 28px; font-weight: 750; letter-spacing: 0; }
.topbar p { margin: 6px 0 0; color: var(--muted); }

.summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.metric { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 14px; min-height: 92px; display: grid; align-content: space-between; }
.metric span { color: var(--muted); font-size: 13px; }
.metric strong { font-size: 22px; color: var(--ink); word-break: break-word; font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }
.metric.danger strong { color: var(--danger); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; }
.filters { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; align-items: center; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.span-2 { grid-column: span 2; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; }
.switch-line { padding-top: 34px; }
.check-chip { display: inline-flex; gap: 8px; align-items: center; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }

.notice-band { border-radius: 8px; padding: 14px 16px; margin-bottom: 16px; font-weight: 650; }
.notice-band.warning { background: #fff4d6; color: var(--warning); border: 1px solid #f2d38c; }
.notice-band.success { background: #e8f6ef; color: var(--success); border: 1px solid #bde3ce; }
.two-col { display: grid; grid-template-columns: 1.2fr .8fr; gap: 16px; }
.two-col section { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 16px; }
.section-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.section-title h2, .panel h2 { font-size: 18px; margin: 0; }
.flow-preview { display: grid; gap: 8px; }
.flow-day { display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); padding: 8px 0; }
.flow-day.detailed { align-items: center; gap: 12px; }
.flow-day.detailed small { display: block; color: var(--muted); margin-top: 2px; font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }
.flow-day.negative strong { color: var(--danger); }
.flow-nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.flow-nav strong { min-width: 66px; text-align: center; }
.status-pill, .detail-pill { display: inline-block; border: 1px solid var(--line); border-radius: 999px; padding: 3px 8px; font-size: 12px; background: #f8fafc; margin: 2px; }
.status-pill.success { border-color: #bde3ce; background: #e8f6ef; color: var(--success); }
.status-pill.warning { border-color: #f2d38c; background: #fff4d6; color: var(--warning); }
.status-pill.danger { border-color: #f2aaa4; background: #fff0ef; color: var(--danger); }
.row-actions { display: flex; justify-content: flex-end; gap: 6px; flex-wrap: wrap; }
.source-cell { display: grid; gap: 2px; min-width: 190px; }
.source-cell strong { font-weight: 700; color: var(--ink); }
.source-cell span { color: var(--muted); font-size: 12px; }
.money-cell { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }
.money-cell .amount { display: inline-block; min-width: 112px; text-align: right; font-weight: 650; }
.money-cell .amount.muted { color: var(--muted); font-weight: 600; }
.money-cell .currency { display: inline-block; min-width: 34px; margin-left: 6px; color: var(--muted); text-align: left; font-size: 12px; font-weight: 700; }
.reward-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.reward-card { border: 1px solid var(--line); border-radius: 8px; background: #fff; padding: 14px; display: grid; gap: 12px; }
.reward-card.warning { border-color: #f2d38c; background: #fffdf6; }
.reward-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.reward-card-head strong { display: block; font-size: 15px; }
.reward-card-head span, .reward-card-head em { display: block; color: var(--muted); font-size: 12px; font-style: normal; }
.reward-values, .reward-strip { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.reward-values div, .reward-strip div { border: 1px solid var(--line); border-radius: 8px; padding: 10px; background: #f8fafc; }
.reward-values span, .reward-strip span { display: block; color: var(--muted); font-size: 12px; }
.reward-values strong, .reward-strip strong { display: block; text-align: right; font-size: 16px; font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }
.reward-values .danger, .reward-strip .danger { border-color: #f2aaa4; background: #fff0ef; }
.reward-values .danger strong, .reward-strip .danger strong { color: var(--danger); }
.reward-warning { border: 1px solid #f2d38c; border-radius: 8px; background: #fff4d6; color: var(--warning); padding: 10px; font-weight: 650; }
.estimate-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.estimate-card { border: 1px solid var(--line); border-radius: 8px; background: #f8fafc; padding: 12px; }
.estimate-card span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.estimate-card strong { display: block; text-align: right; font-size: 18px; font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }
.calendar-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.calendar-grid.week { grid-template-columns: repeat(7, minmax(0, 1fr)); }
.calendar-entry { border: 1px solid var(--line); border-radius: 8px; padding: 12px; min-height: 130px; background: #fff; }
.calendar-entry.late { border-color: #f2aaa4; background: #fff7f6; }
.calendar-entry span, .calendar-entry em { display: block; color: var(--muted); font-style: normal; font-size: 13px; }
.calendar-entry strong { display: block; font-size: 18px; margin: 6px 0; }
.calendar-entry p { margin: 0; }
.empty-state { background: #fff; border: 1px dashed var(--line); border-radius: 8px; padding: 30px; text-align: center; color: var(--muted); }
.report-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.report-list span { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; background: #f8fafc; }

.settings-overview { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.settings-overview .metric small { color: var(--muted); display: block; font-size: 12px; margin-top: 6px; word-break: break-word; }
.metric.ok strong { color: var(--success); }
.settings-form { display: grid; gap: 16px; }
.settings-card { background: #fff; border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 1px 3px rgba(15, 23, 42, .08); overflow: hidden; }
.settings-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; padding: 16px; border-bottom: 1px solid var(--line); background: #fbfcfd; }
.settings-card-head h2 { font-size: 18px; margin: 0 0 4px; }
.settings-card-head p { margin: 0; color: var(--muted); }
.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; padding: 16px; }
.badge-soft { border-radius: 999px; padding: 6px 10px; background: #eef1f4; color: #596575; font-weight: 700; font-size: 12px; white-space: nowrap; }
.badge-soft.on { background: #e8f6ef; color: var(--success); }
.switch-tile { min-height: 48px; display: flex; align-items: center; gap: 10px; padding: 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; cursor: pointer; }
.switch-tile input { width: 18px; height: 18px; flex: 0 0 auto; }
.switch-tile span { font-weight: 650; }
.free-rate-box { display: flex; align-items: center; justify-content: space-between; gap: 14px; border: 1px solid #b9d5f5; background: #f0f7ff; border-radius: 8px; padding: 14px; }
.free-rate-box p { margin: 4px 0 0; color: var(--muted); }
.rate-source-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.rate-source-card { border: 1px solid var(--line); border-radius: 8px; background: #fff; padding: 14px; }
.rate-source-card.ok { border-color: #bde3ce; background: #f4fbf7; }
.rate-source-card.bad { border-color: #f2aaa4; background: #fff7f6; }
.rate-source-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.rate-source-head span { display: block; color: var(--muted); font-size: 12px; }
.rate-source-head strong { display: block; font-size: 16px; }
.rate-source-head em { border-radius: 999px; background: #eef1f4; color: #596575; font-style: normal; font-weight: 700; padding: 4px 8px; font-size: 12px; white-space: nowrap; }
.rate-source-card.ok .rate-source-head em { background: #e8f6ef; color: var(--success); }
.rate-source-card.bad .rate-source-head em { background: #fff0ef; color: var(--danger); }
.rate-source-card p { margin: 0 0 10px; color: var(--ink); }
.rate-source-card dl { display: grid; gap: 6px; margin: 0; }
.rate-source-card dl div { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 8px; }
.rate-source-card dt { color: var(--muted); font-weight: 600; }
.rate-source-card dd { margin: 0; word-break: break-word; }
.settings-actions { display: flex; justify-content: flex-end; position: sticky; bottom: 0; background: rgba(244,246,248,.92); border-top: 1px solid var(--line); padding: 12px 0; backdrop-filter: blur(10px); }

.login-body { min-height: 100vh; display: grid; place-items: center; background: #162231; padding: 20px; }
.login-panel { width: min(420px, 100%); background: #fff; border-radius: 8px; padding: 28px; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.login-panel h1 { margin: 0; }
.login-panel p { color: var(--muted); margin: 6px 0 20px; }

@media (max-width: 1100px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .menu { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .summary-grid, .filters, .calendar-grid, .calendar-grid.week, .reward-grid, .estimate-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .settings-overview, .settings-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .two-col { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .content { padding: 16px; }
  .summary-grid, .filters, .form-grid, .calendar-grid, .calendar-grid.week, .reward-grid, .estimate-summary { grid-template-columns: 1fr; }
  .settings-overview, .settings-grid { grid-template-columns: 1fr; }
  .rate-source-grid { grid-template-columns: 1fr; }
  .free-rate-box { align-items: stretch; flex-direction: column; }
  .rate-source-card dl div { grid-template-columns: 1fr; }
  .span-2 { grid-column: span 1; }
  .menu { grid-template-columns: 1fr; }
}