:root {
  --rios-ink: #1f2937;
  --rios-muted: #6b7280;
  --rios-border: #e5e7eb;
  --rios-bg: #f6f6f7;
  --rios-card: #ffffff;
}
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--rios-bg); color: var(--rios-ink); font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
section { scroll-margin-top: 60px; }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.metric-card { background: var(--rios-card); border: 1px solid var(--rios-border); border-radius: 12px; padding: 18px; min-height: 98px; box-sizing: border-box; }
.metric-label { color: var(--rios-muted); font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.metric-value { font-size: 26px; line-height: 1.1; font-weight: 700; letter-spacing: -0.03em; }
.rios-header-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 12px; }
.section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.pnl-grid { border: 1px solid var(--rios-border); border-radius: 12px; overflow: hidden; }
.pnl-row { display: flex; justify-content: space-between; gap: 18px; padding: 12px 14px; border-top: 1px solid var(--rios-border); background: #fff; }
.pnl-row:first-child { border-top: 0; }
.pnl-row span { display: flex; flex-direction: column; gap: 2px; }
.pnl-row small { color: var(--rios-muted); font-size: 11px; font-weight: 500; }
.pnl-row.emphasized { background: #f8fafc; font-size: 16px; }
.scenario-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.scenario-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.scenario-grid label, .field-label { font-size: 13px; font-weight: 600; color: var(--rios-muted); }
.scenario-grid input, .settings-grid input, .measure-form input, .field-label select, .field-label textarea { display: block; width: 100%; box-sizing: border-box; border: 1px solid var(--rios-border); border-radius: 8px; padding: 10px; font: inherit; font-size: 14px; background: #fff; color: var(--rios-ink); }
.scenario-grid label input { margin-top: 6px; }
.scenario-result { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.scenario-result > div { background: #f8fafc; border-radius: 10px; padding: 14px; }
.scenario-result span { display: block; color: var(--rios-muted); font-size: 12px; margin-bottom: 6px; }
.scenario-result strong { font-size: 20px; }
.history-table { border: 1px solid var(--rios-border); border-radius: 12px; overflow: hidden; }
.history-row { display: grid; grid-template-columns: 1.1fr 1fr 1fr .7fr .55fr 1fr; gap: 12px; padding: 11px 14px; border-top: 1px solid var(--rios-border); align-items: center; font-size: 13px; }
.history-head { border-top: none; background: #f8fafc; }
.recommendation-card { border: 1px solid var(--rios-border); border-radius: 12px; padding: 16px; }
.recommendation-card p { margin: 8px 0 12px; color: var(--rios-muted); line-height: 1.45; }
.goal-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.goal-card { border: 1px solid var(--rios-border); border-radius: 12px; padding: 16px; background: #fff; }
.goal-card p { color: var(--rios-muted); margin: 8px 0; }
.goal-value { font-size: 24px; font-weight: 750; letter-spacing: -.03em; margin: 12px 0 4px; }
.decision-row { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; padding: 16px 0; border-top: 1px solid var(--rios-border); }
.decision-row:first-of-type { border-top: 0; }
.decision-row p { color: var(--rios-muted); margin: 6px 0; }
.decision-row small { color: var(--rios-muted); }
.measure-form { display: grid; grid-template-columns: .8fr 1.2fr auto; gap: 8px; align-items: start; }
.settings-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 10px 0 18px; }
.field-label { display: flex; flex-direction: column; gap: 6px; }
.field-label small { font-size: 11px; font-weight: 500; line-height: 1.35; }
.input-wrap { display: flex; align-items: center; border: 1px solid var(--rios-border); border-radius: 8px; background: #fff; overflow: hidden; }
.input-wrap > span { padding: 0 9px; color: var(--rios-muted); font-size: 12px; }
.input-wrap input { border: 0; border-radius: 0; min-width: 0; }
.rios-button { display: inline-flex; align-items: center; justify-content: center; width: fit-content; min-height: 34px; box-sizing: border-box; border: 0; border-radius: 8px; padding: 8px 12px; background: #202223; color: #fff !important; text-decoration: none; font: inherit; font-size: 13px; font-weight: 650; cursor: pointer; }
.rios-button:hover { opacity: .9; }
.rios-button:disabled { opacity: .5; cursor: default; }
.rios-button.secondary { background: #eef2f6; color: #202223 !important; }
.rios-button.light { background: #fff; color: #111827 !important; }
.diagnostic-card { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 24px; background: #111827; color: #fff; border-radius: 16px; }
.diagnostic-card h2 { margin: 8px 0; font-size: 26px; letter-spacing: -0.02em; }
.diagnostic-card p { color: #d1d5db; margin: 0; max-width: 760px; }
.eyebrow { font-size: 11px; font-weight: 800; letter-spacing: .12em; color: #9ca3af; }
code { font-size: .92em; }
@media (max-width: 1000px) {
  .metric-grid, .scenario-grid.four, .settings-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .measure-form { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .rios-header-grid, .goal-grid, .decision-row, .metric-grid, .scenario-grid, .scenario-grid.four, .scenario-result, .settings-grid { grid-template-columns: 1fr; }
  .history-row { grid-template-columns: 1.2fr 1fr 1fr .7fr; }
  .history-row span:nth-child(5), .history-row span:nth-child(6), .history-head strong:nth-child(5), .history-head strong:nth-child(6) { display: none; }
  .diagnostic-card { align-items: flex-start; flex-direction: column; }
}

.history-limited { opacity: 0.62; }

.public-shell { min-height: 100vh; background: #f8fafc; }
.public-header { display: flex; justify-content: space-between; align-items: center; gap: 24px; max-width: 920px; margin: 0 auto; padding: 24px; }
.public-header nav { display: flex; gap: 18px; flex-wrap: wrap; }
.public-header a { color: #334155; text-decoration: none; font-weight: 650; }
.public-header .public-brand { color: #111827; font-size: 20px; font-weight: 850; letter-spacing: -.03em; }
.public-page { max-width: 820px; margin: 24px auto 64px; padding: 24px; }
.public-page h1 { margin: 10px 0 16px; font-size: clamp(36px, 7vw, 58px); line-height: 1.02; letter-spacing: -.045em; }
.public-lead { max-width: 720px; color: #475569; font-size: 19px; line-height: 1.6; }
.public-content { margin-top: 42px; }
.public-content section { margin-top: 36px; }
.public-content h2 { margin-bottom: 10px; font-size: 22px; letter-spacing: -.02em; }
.public-content p, .public-content li { color: #475569; line-height: 1.72; }
.public-content a { color: #0f4c81; }
.public-callout { padding: 24px; border: 1px solid #dbe4ee; border-radius: 16px; background: #fff; }
.public-footer { max-width: 920px; margin: 0 auto; padding: 24px 24px 48px; border-top: 1px solid #e2e8f0; color: #64748b; font-size: 13px; line-height: 1.6; }
@media (max-width: 600px) { .public-header { align-items: flex-start; flex-direction: column; } .public-page { margin-top: 0; } }