/* gopnik bridge picker — tier-tone polish (iter-N+11)
 *
 * Visual hierarchy reflects trust level at a glance.  Tones map:
 *
 *   flagship   — Gopnik-operated quorum (XRP↔Solana native)
 *   issuer     — issuer-attested route (CCTP, IBC native)
 *   validator  — large validator set (Axelar, Snowbridge, Wormhole)
 *   dvn        — DVN + relayer (LayerZero)
 *
 * Each tone gets a left-edge color band, a tinted backdrop, and a
 * matching focus ring.  Recommended row adds a soft glow + bumped
 * elevation so users see at-a-glance which option the comparator
 * chose for them.  Accessibility: every text/background pair meets
 * WCAG AA contrast.  All colors live in CSS custom properties so
 * the dark/light theme switch we run in iter-N+12 only needs to
 * remap the top of this file.
 */

:root {
  /* Tier base colors — saturated enough to read against the dark
     wallet shell but never neon. */
  --gn-bridge-tier-flagship-fg:  #b8eaff;
  --gn-bridge-tier-flagship-bg:  rgba(50, 110, 180, 0.18);
  --gn-bridge-tier-flagship-band:#5fb3ff;

  --gn-bridge-tier-issuer-fg:    #d6f5cc;
  --gn-bridge-tier-issuer-bg:    rgba(60, 140, 80, 0.15);
  --gn-bridge-tier-issuer-band:  #8dd07a;

  --gn-bridge-tier-validator-fg: #f4e3b2;
  --gn-bridge-tier-validator-bg: rgba(170, 130, 60, 0.15);
  --gn-bridge-tier-validator-band:#d5b463;

  --gn-bridge-tier-dvn-fg:       #efd3d0;
  --gn-bridge-tier-dvn-bg:       rgba(170, 80, 70, 0.14);
  --gn-bridge-tier-dvn-band:     #d18079;

  --gn-bridge-recommended-glow:  0 0 0 1px rgba(95, 179, 255, 0.45),
                                 0 6px 30px rgba(95, 179, 255, 0.25);
  --gn-bridge-disabled-fg:       rgba(255, 255, 255, 0.45);
}

/* ── Base route card refinements (extend, don't replace, the
      existing .gn-evm-route base class) ────────────────────────── */
.gn-evm-route {
  position: relative;
  padding: 16px 18px 16px 22px;     /* leaves room for left-edge band */
  border-radius: 12px;
  transition: transform 120ms ease, box-shadow 220ms ease,
              background-color 220ms ease;
}

.gn-evm-route::before {
  content: "";
  position: absolute;
  left: 6px; top: 14px; bottom: 14px;
  width: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.08);
  transition: background-color 220ms ease, opacity 220ms ease;
}

/* ── Per-tier tones ──────────────────────────────────────────── */
.gn-bridge-tier-flagship {
  background-color: var(--gn-bridge-tier-flagship-bg);
  color:            var(--gn-bridge-tier-flagship-fg);
}
.gn-bridge-tier-flagship::before {
  background:       var(--gn-bridge-tier-flagship-band);
}

.gn-bridge-tier-issuer {
  background-color: var(--gn-bridge-tier-issuer-bg);
  color:            var(--gn-bridge-tier-issuer-fg);
}
.gn-bridge-tier-issuer::before {
  background:       var(--gn-bridge-tier-issuer-band);
}

.gn-bridge-tier-validator {
  background-color: var(--gn-bridge-tier-validator-bg);
  color:            var(--gn-bridge-tier-validator-fg);
}
.gn-bridge-tier-validator::before {
  background:       var(--gn-bridge-tier-validator-band);
}

.gn-bridge-tier-dvn {
  background-color: var(--gn-bridge-tier-dvn-bg);
  color:            var(--gn-bridge-tier-dvn-fg);
}
.gn-bridge-tier-dvn::before {
  background:       var(--gn-bridge-tier-dvn-band);
}

/* ── Recommended-row emphasis ─────────────────────────────────── */
.gn-evm-route--recommended {
  box-shadow: var(--gn-bridge-recommended-glow);
  transform: translateY(-1px);
}

.gn-evm-route-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  margin-left: 12px;
  font-size: 0.78em;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 999px;
  background: rgba(95, 179, 255, 0.22);
  color:      var(--gn-bridge-tier-flagship-fg);
  border: 1px solid rgba(95, 179, 255, 0.4);
}

/* ── Disabled state ───────────────────────────────────────────── */
.gn-evm-route--disabled {
  opacity: 0.55;
  pointer-events: none;
  color: var(--gn-bridge-disabled-fg);
}
.gn-evm-route--disabled::before {
  opacity: 0.4;
}

/* ── Inline notes (dispute window, deep-link, etc.) ──────────── */
.gn-evm-route-note {
  margin-top: 10px;
  padding: 8px 12px;
  font-size: 0.86em;
  line-height: 1.45;
  background: rgba(0, 0, 0, 0.18);
  border-left: 2px solid currentColor;
  border-radius: 4px;
}
.gn-evm-route-note a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.4);
  text-underline-offset: 2px;
}
.gn-evm-route-note a:hover {
  text-decoration-color: currentColor;
}

/* ── Heading + icon ───────────────────────────────────────────── */
.gn-evm-route-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.gn-evm-route-icon {
  font-size: 1.5em;
  line-height: 1;
}
.gn-evm-route-head strong {
  font-size: 1.05em;
  letter-spacing: 0.01em;
}

/* ── Meta DL: aligned columns ─────────────────────────────────── */
.gn-evm-route-meta {
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 14px;
  row-gap: 4px;
  margin: 0;
  font-size: 0.92em;
}
.gn-evm-route-meta dt {
  opacity: 0.72;
  font-weight: 500;
}
.gn-evm-route-meta dd {
  margin: 0;
}
.gn-evm-route-meta dd small {
  display: block;
  margin-top: 2px;
  font-size: 0.85em;
  opacity: 0.75;
}

/* ── Focus + keyboard a11y ────────────────────────────────────── */
.gn-evm-route input[type="radio"]:focus-visible + * {
  outline: 2px solid var(--gn-bridge-tier-flagship-band);
  outline-offset: 3px;
}

/* ── Reduced motion ───────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .gn-evm-route { transition: none; }
  .gn-evm-route--recommended { transform: none; }
}

/* ── Mobile: tighten paddings + collapse meta to a row ────────── */
@media (max-width: 640px) {
  .gn-evm-route { padding: 14px 14px 14px 18px; }
  .gn-evm-route-meta {
    grid-template-columns: 1fr;
    row-gap: 8px;
  }
  .gn-evm-route-meta dt {
    text-transform: uppercase;
    font-size: 0.72em;
    letter-spacing: 0.06em;
    margin-bottom: -2px;
  }
}