/* ---------------------------------------------------------------
   Skella & Co, Reward seat finder
   Inherits brand tokens, type scale and layout from /styles.css
   --------------------------------------------------------------- */

:root {
  /* One-hue value ramp on the brand purple, even steps in OKLab, validated
     light to dark. White text throughout: 3.5:1 on the lightest band in
     use, 9.6:1 on the darkest. v1 is kept for the under-1.2c band that
     never renders. */
  --v1: #BFA3F0;
  --v2: #9A74E6;
  --v3: #8258DA;
  --v4: #6C39CE;
  --v5: #5900C1;
  --hatch-dark: rgba(26, 26, 28, 0.22);
  --hatch-light: rgba(255, 255, 255, 0.42);
}

.shell--wide { max-width: 82rem; }

/* ---------- intro ---------- */
.rf-intro h1 {
  margin: 0 0 0.6rem;
  font-size: var(--step-3);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.024em;
}
.rf-intro .lede-sub { margin-bottom: 1.5rem; max-width: 40rem; }

.rf-banner {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem);
  padding: 0.85rem 1rem;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--brand);
  border-radius: 8px;
  background: var(--surface);
  font-size: var(--step-0);
  color: var(--muted);
  max-width: 52rem;
}
.rf-banner strong { color: var(--text); font-weight: 500; }

/* ---------- controls ---------- */
.rf-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
  align-items: flex-start;
  padding: 1.25rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.rf-control { display: flex; flex-direction: column; gap: 0.45rem; }
.rf-control__label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--soft);
}
.rf-chips { display: flex; flex-wrap: wrap; gap: 0.35rem 0.4rem; }
.rf-chips .writing-filter__tag { padding: 0.28rem 0.7rem; }
.rf-control input[type="text"] {
  font: inherit;
  font-size: 0.9rem;
  width: 8.5rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.rf-control input[type="text"]:focus { outline: none; border-color: var(--brand); }
.rf-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
  cursor: pointer;
  padding-top: 0.15rem;
}
.rf-toggle input { accent-color: var(--brand); width: 1rem; height: 1rem; margin: 0; }
.rf-airlines { width: 100%; }
.rf-airlines summary {
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--soft);
  list-style: none;
}
.rf-airlines summary::-webkit-details-marker { display: none; }
.rf-airlines summary::after { content: " +"; }
.rf-airlines[open] summary::after { content: " \2212"; }
.rf-airlines .rf-chips { margin-top: 0.6rem; }

/* ---------- summary + tabs ---------- */
.rf-summary {
  margin: 1.25rem 0 0;
  font-size: var(--step-0);
  color: var(--muted);
  max-width: 52rem;
}
.rf-tabs {
  display: flex;
  gap: 1.5rem;
  margin: 1.5rem 0 1.25rem;
  border-bottom: 1px solid var(--rule);
}
.rf-tabs button {
  padding: 0.6rem 0 0.7rem;
  font-size: var(--step-0);
  color: var(--muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.rf-tabs button:hover { color: var(--text); }
.rf-tabs button[aria-selected="true"] { color: var(--text); border-bottom-color: var(--brand); }
.rf-tabs button:focus-visible { outline-offset: -2px; border-radius: 0; }

.rf-viewbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem 1.5rem;
  margin: 0 0 1rem;
  font-size: 0.82rem;
  color: var(--muted);
}
.rf-viewbar select {
  font: inherit;
  font-size: 0.85rem;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
}
.rf-hint { margin: 0.5rem 0; font-size: var(--step-0); color: var(--muted); }
.rf-hint--dropped { font-size: 0.82rem; padding-left: 0.75rem; border-left: 2px solid var(--rule); }

/* ---------- legend ---------- */
.rf-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1rem; }
.rf-legend__item { display: inline-flex; align-items: center; gap: 0.4rem; }
.rf-sw { width: 1rem; height: 1rem; border-radius: 3px; display: inline-block; }
.rf-sw--gated { background: var(--v3); background-image: repeating-linear-gradient(135deg, var(--hatch-light) 0 3px, transparent 3px 7px); }
.rf-sw--over { background: var(--v3); opacity: 0.55; outline: 1.5px dashed var(--muted); outline-offset: -1.5px; }

/* ---------- map ---------- */
.rf-map-scroll { overflow-x: auto; padding-bottom: 0.5rem; -webkit-overflow-scrolling: touch; }
.rf-map {
  display: grid;
  grid-template-columns: 12.5rem repeat(12, minmax(4.6rem, 1fr));
  gap: 2px;
  min-width: 70rem;
  align-items: stretch;
}
.rf-map__corner,
.rf-map__mh {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--soft);
  padding: 0.25rem 0.4rem 0.5rem;
}
.rf-map__corner { position: sticky; left: 0; background: var(--bg); z-index: 3; padding-left: 0; }
.rf-map__mh { display: flex; flex-direction: column; gap: 0.1rem; }
.rf-map__mh small { font-size: 0.66rem; letter-spacing: 0.04em; text-transform: none; color: var(--soft); }
.rf-map__region {
  grid-column: 1 / -1;
  position: sticky;
  left: 0;
  padding: 1.1rem 0 0.35rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--soft);
  background: var(--bg);
}
.rf-map__rh {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--bg);
  padding: 0.3rem 0.75rem 0.3rem 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.1rem;
  border-right: 1px solid var(--rule);
}
.rf-map__city { font-size: var(--step-0); font-weight: 500; line-height: 1.2; }
.rf-map__meta { font-size: 0.72rem; color: var(--muted); line-height: 1.3; font-variant-numeric: tabular-nums; }

.rf-cell {
  position: relative;
  height: 3.1rem;
  border-radius: 6px;
  padding: 0.35rem 0.45rem;
  text-align: left;
  font-size: 0.86rem;
  line-height: 1;
  color: var(--text);
  transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.rf-cell:hover,
.rf-cell:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 3.5px var(--text);
  outline: none;
  z-index: 1;
}
.rf-cell--empty { background: transparent; border: 1px solid var(--rule); }
.is-v1 { background: var(--v1); color: #fff; }
.is-v2 { background: var(--v2); color: #fff; }
.is-v3 { background: var(--v3); color: #fff; }
.is-v4 { background: var(--v4); color: #fff; }
.is-v5 { background: var(--v5); color: #fff; }
.rf-cell__pts { font-weight: 500; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.rf-cell__cab { position: absolute; top: 0.35rem; right: 0.45rem; font-size: 0.64rem; letter-spacing: 0.08em; }
.rf-cell__days { position: absolute; bottom: 0.3rem; right: 0.45rem; font-size: 0.64rem; font-variant-numeric: tabular-nums; }
.is-gated { background-image: repeating-linear-gradient(135deg, var(--hatch-light) 0 3px, transparent 3px 8px); }
.rf-cell.is-over { opacity: 0.55; outline: 1.5px dashed var(--muted); outline-offset: -1.5px; }

/* ---------- tooltip ---------- */
.rf-tip {
  position: fixed;
  z-index: 60;
  max-width: 22rem;
  padding: 0.65rem 0.8rem;
  border-radius: 8px;
  background: var(--text);
  color: var(--bg);
  font-size: 0.8rem;
  line-height: 1.45;
  pointer-events: none;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}
.rf-tip__head { font-weight: 500; margin-bottom: 0.2rem; }

/* ---------- month panel ---------- */
.rf-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(34rem, 100%);
  z-index: 40;
  overflow-y: auto;
  background: var(--surface);
  border-left: 1px solid var(--rule);
  box-shadow: -12px 0 40px rgba(0, 0, 0, 0.08);
  padding: 1.5rem clamp(1.25rem, 3vw, 2rem) 3rem;
}
.rf-panel__head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; }
.rf-panel__head h2 { margin: 0 0 0.35rem; font-size: var(--step-2); font-weight: 500; letter-spacing: -0.012em; line-height: 1.2; }
.rf-panel__head p { margin: 0; font-size: var(--step-0); color: var(--muted); }
.rf-x {
  flex: 0 0 auto;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.rf-x:hover { color: var(--text); border-color: var(--text); }

.rf-panel__list { display: flex; flex-direction: column; gap: 0.6rem; }

/* ---------- cards (deals, drops, trips, flights) ---------- */
.rf-list { display: flex; flex-direction: column; gap: 0.6rem; }
.rf-card {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0.75rem 1.25rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: var(--surface);
}
.rf-card--compact { grid-template-columns: 6rem 1fr; padding: 0.85rem 1rem; }
.rf-card.is-gated-card { border-style: dashed; }
.rf-card__lead { display: flex; flex-direction: column; gap: 0.15rem; }
.rf-card__pts { font-size: var(--step-2); font-weight: 500; letter-spacing: -0.02em; line-height: 1.05; }
.rf-card__pts-sub { font-size: 0.72rem; color: var(--soft); }
.rf-card__cpp { margin-top: 0.4rem; align-self: flex-start; font-size: 0.7rem; padding: 0.22rem 0.5rem; border-radius: 999px; font-variant-numeric: tabular-nums; }
.rf-card__body { display: flex; flex-direction: column; gap: 0.3rem; min-width: 0; }
.rf-card__title { font-size: var(--step-0); font-weight: 500; line-height: 1.3; }
.rf-card__line { font-size: 0.85rem; color: var(--muted); line-height: 1.45; }
.rf-card__line--nums { font-variant-numeric: tabular-nums; }
.rf-card__tags { display: flex; flex-wrap: wrap; gap: 0.3rem 0.35rem; margin-top: 0.2rem; }
.rf-card__tag { font-size: 0.7rem; letter-spacing: 0.02em; padding: 0.15rem 0.55rem; border: 1px solid var(--rule); border-radius: 999px; color: var(--muted); }
.rf-card__note { font-size: 0.8rem; color: var(--text); padding-left: 0.75rem; border-left: 2px solid var(--brand); margin-top: 0.2rem; }
.rf-card__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1rem; margin-top: 0.4rem; }
.rf-card__seen { font-size: 0.72rem; color: var(--soft); }
.rf-btn {
  display: inline-flex;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  border: 1px solid var(--text);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.rf-btn:hover { background: var(--brand); border-color: var(--brand); color: #fff; }
.rf-btn--ghost { background: transparent; color: var(--text); margin-top: 0.5rem; align-self: flex-start; }
.rf-btn--ghost:hover { background: transparent; color: var(--brand); border-color: var(--brand); }

.rf-trip-controls { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: center; }
.rf-trip-controls select,
.rf-trip-controls input {
  font: inherit;
  font-size: 0.85rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
}
.rf-trip-controls input { width: 4rem; }

/* ---------- when seats appear ---------- */
.rf-prose { max-width: 48rem; }
.rf-prose p { margin: 0 0 1rem; font-size: var(--step-0); color: var(--muted); line-height: 1.6; }
.rf-prose h3 { margin: 1.75rem 0 0.5rem; font-size: var(--step-1); font-weight: 500; }
.rf-table-scroll { overflow-x: auto; margin: 0 0 1.25rem; }
.rf-table { width: 100%; border-collapse: collapse; font-size: var(--step-0); }
.rf-table th, .rf-table td { text-align: left; vertical-align: top; padding: 0.6rem 1rem 0.6rem 0; border-top: 1px solid var(--rule); line-height: 1.5; }
.rf-table th { font-size: 0.72rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--soft); border-top: 0; padding-top: 0; }
.rf-table td:first-child { font-weight: 500; white-space: nowrap; }
.rf-table--narrow { max-width: 28rem; }
.rf-table--narrow td:last-child { font-variant-numeric: tabular-nums; }

/* ---------- method ---------- */
.rf-method { margin-top: clamp(3rem, 5vw, 4.5rem); padding-top: clamp(2rem, 3vw, 2.75rem); border-top: 1px solid var(--rule); max-width: 44rem; }
.rf-method h2 { margin: 0 0 1rem; font-size: var(--step-2); font-weight: 500; letter-spacing: -0.012em; }
.rf-method h3 { margin: 1.5rem 0 0.4rem; font-size: var(--step-1); font-weight: 500; }
.rf-method p { margin: 0 0 0.9rem; font-size: var(--step-0); color: var(--muted); line-height: 1.6; }
.rf-method p strong { color: var(--text); font-weight: 500; }
.rf-method p a { color: var(--text); border-bottom: 1px solid var(--soft); }
.rf-method p a:hover { color: var(--brand); border-bottom-color: var(--brand); }

/* ---------- responsive ---------- */
@media (max-width: 48rem) {
  .rf-controls { gap: 0.9rem 1.25rem; }
  .rf-card { grid-template-columns: 1fr; gap: 0.5rem; }
  .rf-card__lead { flex-direction: row; align-items: baseline; gap: 0.6rem; flex-wrap: wrap; }
  .rf-card__cpp { margin-top: 0; }
  .rf-panel { width: 100%; padding-bottom: 5rem; }
}

/* ---------- control help text ---------- */
.rf-control__help { font-size: 0.72rem; color: var(--soft); line-height: 1.35; max-width: 16rem; }

/* ---------- capture page ---------- */
.rf-capture { margin: 1rem 0 2rem; }
.rf-capture h2 { margin: 0 0 0.5rem; font-size: var(--step-2); font-weight: 500; letter-spacing: -0.012em; }
.rf-capture .rf-card__actions { margin-top: 1rem; }
.rf-prose ol { margin: 0 0 1rem; padding-left: 1.25rem; font-size: var(--step-0); color: var(--muted); line-height: 1.6; }
.rf-prose ol li { margin-bottom: 0.35rem; }
.rf-prose h2 { margin: 0 0 0.75rem; font-size: var(--step-2); font-weight: 500; letter-spacing: -0.012em; }
.rf-bm { margin: 0 0 1.5rem; }
.rf-bm .rf-btn { cursor: grab; font-size: var(--step-0); padding: 0.6rem 1.1rem; }

/* ---------- seats seen on the finder ---------- */
.rf-cell__seen { position: absolute; bottom: 0.3rem; left: 0.45rem; font-size: 0.62rem; letter-spacing: 0.02em; opacity: 0.95; }
.rf-cell.is-none-seen { opacity: 0.45; }
.rf-seen { margin: 0.25rem 0 0.75rem; padding: 0.9rem 1rem; border: 1px solid var(--rule); border-radius: 12px; background: var(--surface); }
.rf-seen h3 { margin: 0 0 0.35rem; font-size: var(--step-0); font-weight: 500; }
.rf-seen p { margin: 0 0 0.35rem; font-size: 0.85rem; color: var(--muted); line-height: 1.5; }
.rf-seen ul { margin: 0.35rem 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 0.25rem; }
.rf-seen li { font-size: 0.85rem; line-height: 1.45; font-variant-numeric: tabular-nums; }
.rf-seen li span { color: var(--soft); }