/* ────────────────────────────────────────────────────────────────────
   Premium polish — depth, hover, hierarchy, stagger
   (Linear / radiant.co inspired)
   ──────────────────────────────────────────────────────────────────── */

/* Tabs: subtle lift + shadow */
.rates-tab {
  transition:
    color var(--t-base) var(--ease-out),
    background-color var(--t-base) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out),
    transform var(--t-base) var(--ease-out);
}

.rates-tab:not(.is-active):hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  transform: translateY(-1px);
}

.rates-tab.is-active {
  color: #fff;
  background: linear-gradient(180deg, rgba(217, 74, 79, 0.32), rgba(177, 18, 38, 0.18));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    inset 0 0 0 1px rgba(217, 74, 79, 0.42),
    0 4px 10px -6px rgba(177, 18, 38, 0.45);
}

/* News chips: snappier hover */
.news-chip {
  transition:
    color var(--t-base) var(--ease-out),
    background-color var(--t-base) var(--ease-out),
    border-color var(--t-base) var(--ease-out),
    transform var(--t-base) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out);
}

.news-chip:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Leaderboard rows: subtle slide-in on hover with red accent gutter */
.rates-lb-row {
  position: relative;
  padding-left: 6px;
  transition: background var(--t-base) var(--ease-out), padding-left var(--t-base) var(--ease-out);
  border-radius: 1px;
}

.rates-lb-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-red), var(--c-red-soft));
  border-radius: 1px;
  opacity: 0;
  transform: scaleY(0.4);
  transform-origin: center;
  transition: opacity var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out);
}

.rates-lb-row:hover {
  background: rgba(177, 18, 38, 0.04);
  padding-left: 10px;
}

.rates-lb-row:hover::before {
  opacity: 1;
  transform: scaleY(1);
}

/* Progress fill: soft inner highlight + subtle outer glow */
.rates-lb-row__track {
  overflow: hidden;
  background: var(--c-graphite-100);
  box-shadow: inset 0 1px 1px rgba(28, 29, 32, 0.06);
}

.rates-lb-row__fill {
  background: linear-gradient(90deg, var(--c-red-soft), var(--c-red));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    0 0 8px rgba(177, 18, 38, 0.30);
  transition: width var(--t-slow) var(--ease-out);
}

/* Heatmap row hover — row tint + sticky bank cell becomes bolder */
.rates-matrix tbody tr {
  transition: background-color var(--t-fast) var(--ease-out);
}

.rates-matrix tbody tr:hover td:not(.is-bank) {
  outline: 1px solid var(--c-red-soft);
  outline-offset: -2px;
}

.rates-matrix tbody tr:hover td.is-bank {
  background: var(--c-paper-warm);
  color: var(--c-red);
}

.rates-matrix tbody tr:hover td.is-bank .bank-name {
  font-weight: 600;
}

/* News rows: stronger hover with accent line */
.news-item-row {
  position: relative;
  transition: background var(--t-base) var(--ease-out), padding-left var(--t-base) var(--ease-out);
}

.news-item-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: var(--c-red);
  opacity: 0;
  transition: opacity var(--t-base) var(--ease-out);
}

.news-item-row:hover::before {
  opacity: 0.6;
}

/* Latest tape items: same treatment, smaller */
.news-latest-item {
  position: relative;
  transition: background var(--t-base) var(--ease-out);
}

.news-latest-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--c-red);
  opacity: 0;
  transition: opacity var(--t-base) var(--ease-out);
}

.news-latest-item:hover::before {
  opacity: 0.5;
}

/* Alpha rows: hover row highlight */
.alpha-row {
  transition: background var(--t-base) var(--ease-out);
}

.alpha-row:hover {
  background: rgba(177, 18, 38, 0.03);
}

/* ─── Number emphasis · subtle data hierarchy ──────────────── */

.serif-num,
.spotlight__value .serif-num,
.ccard__value .serif-num,
.hero-stat strong,
.metric strong,
.summary-box strong {
  font-feature-settings: "tnum" 1, "lnum" 1, "ss01" 1;
  letter-spacing: -0.022em;
}

.metric span,
.summary-box span,
.hero-stat span,
.ccard__unit,
.csection__note,
.rates-card__head > span:first-child,
.rates-matrix__head > span:first-child {
  opacity: 0.78;
}

.metric:hover span,
.summary-box:hover span,
.dataset-card:hover h3 + .dataset-card__meta {
  opacity: 1;
}

/* ─── Row stagger reveal ───────────────────────────────────── */

@keyframes rowFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.rates-matrix tbody tr,
.rates-leaderboard__list > .rates-lb-row,
.news-list > .news-item-row,
.news-latest__list > .news-latest-item,
.alpha-table > #alphaRows > .alpha-row {
  animation: rowFadeIn 460ms var(--ease-out) both;
  animation-delay: var(--row-stagger, 0ms);
}

@media (prefers-reduced-motion: reduce) {
  .rates-matrix tbody tr,
  .rates-leaderboard__list > .rates-lb-row,
  .news-list > .news-item-row,
  .news-latest__list > .news-latest-item,
  .alpha-table > #alphaRows > .alpha-row {
    animation: none;
  }
}

/* ─── Subtle scrollbar styling ─────────────────────────────── */

.rates-matrix__scroll::-webkit-scrollbar,
.news-latest::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
.rates-matrix__scroll::-webkit-scrollbar-thumb,
.news-latest::-webkit-scrollbar-thumb {
  background: rgba(28, 29, 32, 0.16);
  border-radius: 4px;
}
.rates-matrix__scroll::-webkit-scrollbar-thumb:hover,
.news-latest::-webkit-scrollbar-thumb:hover {
  background: rgba(177, 18, 38, 0.45);
}
.rates-matrix__scroll::-webkit-scrollbar-track,
.news-latest::-webkit-scrollbar-track {
  background: transparent;
}