.decision-page { padding-bottom: 36px; }
.decision-hero { padding-top: 54px; }
.decision-hero h1 { max-width: 980px; margin-bottom: 14px; }
.decision-lede { max-width: 760px; color: var(--muted); font-size: clamp(16px,2vw,21px); line-height: 1.5; margin: 0; }
.decision-form { display: grid; grid-template-columns: .8fr .8fr 1fr .9fr .7fr auto; gap: 8px; margin-top: 28px; padding: 10px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface-strong); }
.decision-form .field { min-height: 60px; }
.decision-form .search-btn { min-height: 60px; }
.decision-form-note { color: var(--muted); font-size: 12px; line-height: 1.55; margin: 10px 4px 0; }
.decision-workspace { padding-top: 46px; }
.decision-toolbar { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 16px; }
.decision-toolbar h2 { font-size: clamp(31px,4vw,50px); }
.optimizer { display: inline-flex; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.46); }
.optimizer button { border: 0; border-radius: 8px; background: transparent; padding: 9px 11px; color: var(--muted); font-size: 12px; font-weight: 800; }
.optimizer button[aria-pressed="true"] { background: var(--ink); color: #fff; }
.truth-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 9px; margin-bottom: 16px; }
.truth-card { min-width: 0; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.64); padding: 16px; }
.truth-card.is-unknown { background: rgba(234,234,227,.72); }
.truth-card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; }
.truth-status { border: 1px solid var(--line-strong); border-radius: 999px; padding: 4px 7px; font-size: 9px; letter-spacing: .05em; }
.truth-card.is-observed .truth-status { background: var(--signal); color: var(--ink); border-color: var(--ink); }
.truth-card strong { display: block; margin-top: 14px; font-size: 25px; letter-spacing: -.04em; }
.truth-card p { min-height: 54px; margin: 7px 0 12px; color: var(--muted); font-size: 12px; line-height: 1.5; }
.truth-card small { display: block; color: #74766f; font-size: 10px; line-height: 1.4; }
.decision-columns { display: grid; grid-template-columns: minmax(0,1.5fr) minmax(280px,.5fr); gap: 12px; }
.decision-panel { border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.54); padding: 20px; min-width: 0; }
.panel-head { display: flex; align-items: start; justify-content: space-between; gap: 18px; margin-bottom: 14px; }
.panel-head h3, .decision-panel h3 { margin: 3px 0 0; font-family: var(--font-display); font-size: 25px; letter-spacing: -.04em; }
.source-chip { border-radius: 999px; border: 1px solid var(--line-strong); padding: 6px 9px; color: var(--muted); font-size: 10px; font-weight: 780; white-space: nowrap; }
.flight-stack { display: grid; gap: 8px; }
.flight-signal { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 16px; align-items: center; padding: 15px; background: var(--surface-strong); border: 1px solid var(--line); border-radius: 12px; }
.flight-signal.is-top { border-color: var(--ink); box-shadow: inset 4px 0 0 var(--signal); }
.flight-route strong { display: block; font-size: 17px; }
.flight-route small { display: block; color: var(--muted); margin-top: 4px; line-height: 1.45; }
.flight-price { text-align: right; }
.flight-price strong { display: block; font-size: 23px; letter-spacing: -.04em; }
.flight-price small { display: block; color: var(--muted); font-size: 10px; margin: 3px 0 8px; }
.flight-price a { display: inline-flex; border: 1px solid var(--ink); border-radius: 8px; padding: 8px 10px; font-size: 11px; font-weight: 820; }
.flight-price a:hover { background: var(--ink); color: #fff; }
.decision-empty { border: 1px dashed var(--line-strong); border-radius: 12px; padding: 28px 18px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.budget-panel { align-self: start; }
.budget-number { margin: 17px 0 6px; font-size: clamp(36px,5vw,58px); font-weight: 950; letter-spacing: -.06em; }
.budget-panel > p { color: var(--muted); line-height: 1.55; font-size: 13px; }
.budget-breakdown { display: grid; gap: 7px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 13px 0; margin: 15px 0; color: var(--muted); font-size: 12px; }
.budget-breakdown b { color: var(--ink); }
.decision-boundary { background: var(--ink); color: #c8cac2; border-radius: 10px; padding: 12px; font-size: 11px; line-height: 1.55; }
.decision-method { margin-top: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: end; border-top: 1px solid var(--line); padding-top: 32px; }
.decision-method h2 { font-size: clamp(30px,4vw,48px); }
.decision-method p { color: var(--muted); line-height: 1.7; margin: 0; }

.trip-shell { padding: 48px 0 20px; }
.trip-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 18px; }
.trip-head h1 { font-size: clamp(42px,6vw,68px); margin-bottom: 0; }
.trip-state { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 999px; padding: 7px 10px; color: var(--muted); font-size: 10px; font-weight: 850; text-transform: uppercase; letter-spacing: .06em; }
.trip-grid { display: grid; grid-template-columns: minmax(0,1.35fr) minmax(280px,.65fr); gap: 12px; }
.trip-card { border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.6); padding: 20px; }
.trip-card h2 { font-size: 28px; }
.trip-card p { color: var(--muted); line-height: 1.65; }
.trip-status-box { margin-top: 15px; border-radius: 12px; background: var(--ink); color: #fff; padding: 17px; }
.trip-status-box strong { display: block; font-size: 18px; }
.trip-status-box span { display: block; margin-top: 6px; color: #bfc1ba; font-size: 12px; line-height: 1.55; }
.trip-list { display: grid; gap: 8px; margin-top: 15px; }
.trip-list div { display: flex; align-items: start; justify-content: space-between; gap: 15px; padding: 11px 0; border-top: 1px solid var(--line); font-size: 12px; }
.trip-list span { color: var(--muted); }
.trip-list strong { text-align: right; }
.trip-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.trip-actions a { display: inline-flex; padding: 10px 12px; border: 1px solid var(--ink); border-radius: 9px; font-size: 12px; font-weight: 820; }
.trip-actions a.primary { background: var(--signal); }

@media (max-width: 980px) {
  .decision-form { grid-template-columns: 1fr 1fr 1fr; }
  .decision-form .search-btn { grid-column: 1 / -1; }
  .truth-grid { grid-template-columns: 1fr 1fr; }
  .decision-columns, .trip-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .decision-hero { padding-top: 32px; }
  .decision-hero h1 { font-size: 47px; }
  .decision-form { grid-template-columns: 1fr; padding: 8px; }
  .decision-form .search-btn { grid-column: auto; }
  .decision-toolbar, .trip-head { align-items: start; flex-direction: column; }
  .optimizer { width: 100%; display: grid; grid-template-columns: repeat(3,1fr); }
  .optimizer button { padding-inline: 5px; }
  .truth-grid { grid-template-columns: 1fr; }
  .truth-card p { min-height: 0; }
  .flight-signal { grid-template-columns: 1fr; }
  .flight-price { text-align: left; }
  .decision-method { grid-template-columns: 1fr; gap: 16px; }
  .decision-panel, .trip-card { padding: 16px; }
}