/* ══════════════════════════════════════════
   GAS ORACLE — gas.css
   Extends ember.css / bonfire design system
   ══════════════════════════════════════════ */

/* ── Status Bar ── */
.gas-status-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.gas-live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-3);
  flex-shrink: 0;
  transition: background 0.4s;
}

.gas-live-dot.live {
  background: var(--bzro);
  animation: pulse 2s ease-in-out infinite;
}

.gas-live-dot.error {
  background: var(--fire);
}

.gas-live-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  flex-shrink: 0;
}

.gas-live-label.live {
  color: var(--bzro);
}

.gas-live-label.error {
  color: var(--fire);
}

.gas-update-time {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-3);
  flex-shrink: 0;
}

.gas-countdown {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

/* ── Callout Row ── */
.gas-callout-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

@media (max-width: 680px) {
  .gas-callout-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.gas-callout {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color var(--transition);
}

.gas-callout-fire {
  border-color: var(--border-fire);
  background: var(--fire-glow-sm, rgba(255,95,31,0.04));
}

.gas-callout-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}

.gas-callout-value {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.1;
  transition: color 0.3s;
}

.gas-callout-fire .gas-callout-value {
  color: var(--fire);
}

.gas-callout-unit {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* flash animation on value update */
@keyframes gas-flash {
  0%   { opacity: 0.3; }
  50%  { opacity: 1; }
  100% { opacity: 1; }
}
.gas-value-flash {
  animation: gas-flash 0.4s ease-out;
}

/* ── Section Heads ── */
.gas-sect-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.gas-sect-hint {
  font-size: 0.75rem;
  color: var(--text-3);
}

.gas-sect-hint em {
  color: var(--text-2);
  font-style: italic;
}

/* ── Tier Cards ── */
.gas-tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

@media (max-width: 620px) {
  .gas-tier-grid {
    grid-template-columns: 1fr;
  }
}

.gas-tier-skeleton {
  height: 200px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  animation: shimmer 1.4s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { opacity: 0.5; }
  50%       { opacity: 1;   }
}

.gas-tier-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.gas-tier-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--tier-accent, var(--border));
  transition: opacity var(--transition);
  opacity: 0.6;
}

.gas-tier-card:hover,
.gas-tier-card.selected {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(0,0,0,0.25);
}

.gas-tier-card.selected {
  border-color: var(--tier-accent, var(--fire));
  background: var(--tier-bg, var(--bg-3));
}

.gas-tier-card.selected::before {
  opacity: 1;
}

/* tier accent colours */
.gas-tier-card[data-tier="0"] { --tier-accent: #3ecfcb; --tier-bg: rgba(62,207,203,0.05); }
.gas-tier-card[data-tier="1"] { --tier-accent: #f59e0b; --tier-bg: rgba(245,158,11,0.05); }
.gas-tier-card[data-tier="2"] { --tier-accent: var(--fire); --tier-bg: rgba(255,95,31,0.06); }

.gas-tier-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gas-tier-name {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tier-accent, var(--text-3));
  font-weight: 700;
}

.gas-tier-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-3);
}

.gas-tier-badge.recommended {
  background: rgba(62,207,203,0.1);
  border-color: rgba(62,207,203,0.3);
  color: var(--bzro);
}

.gas-tier-rows {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.gas-tier-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 10px;
  background: var(--bg-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.gas-tr-key {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.gas-tr-val {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
  text-align: right;
}

.gas-tr-unit {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--text-3);
  flex-shrink: 0;
}

.gas-tier-estimate {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.gas-tier-est-label {
  font-size: 0.7rem;
  color: var(--text-3);
}

.gas-tier-est-val {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-2);
}

.gas-tier-time {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 4px;
}

.gas-tier-time-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--tier-accent, var(--text-3));
  flex-shrink: 0;
}

/* ── Quick Copy ── */
.gas-qc-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.gas-qc-tab {
  padding: 6px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-3);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.gas-qc-tab.active {
  background: var(--fire-glow-sm, rgba(255,95,31,0.08));
  border-color: var(--border-fire);
  color: var(--fire);
}

.gas-qc-tab:not(.active):hover {
  background: var(--bg-3);
  color: var(--text-2);
}

.gas-field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

@media (max-width: 520px) {
  .gas-field-grid {
    grid-template-columns: 1fr;
  }
}

.gas-copy-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.gas-cf-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

.gas-cf-row {
  display: flex;
  gap: 6px;
  align-items: center;
}

.gas-cf-input {
  flex: 1;
  font-family: var(--font-mono) !important;
  font-size: 0.82rem !important;
  font-weight: 700;
  color: var(--text) !important;
  background: var(--bg-3) !important;
  cursor: default;
}

.gas-cf-hint {
  font-size: 0.65rem;
  color: var(--text-3);
  line-height: 1.5;
}

/* ── Explainer ── */
.gas-explainer {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  margin-top: 32px;
  margin-bottom: 32px;
}

.gas-explainer-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fire);
  margin-bottom: 16px;
}

.gas-explainer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (max-width: 520px) {
  .gas-explainer-grid {
    grid-template-columns: 1fr;
  }
}

.gas-exp-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.gas-exp-term {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.04em;
}

.gas-exp-desc {
  font-size: 0.75rem;
  color: var(--text-3);
  line-height: 1.6;
}

/* ── Sparkline ── */
.gas-history-wrap {
  margin-top: 4px;
  margin-bottom: 40px;
}

.gas-sparkline-container {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px 10px;
  position: relative;
}

#gas-sparkline {
  width: 100%;
  display: block;
}

.gas-sparkline-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
}

/* ── Floor Pills ── */
.gas-floor-pills-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.gas-floor-pill {
  display: flex;
  align-items: baseline;
  gap: 5px;
  padding: 7px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: default;
  transition: border-color var(--transition);
}

.gas-floor-pill:hover {
  border-color: rgba(62,207,203,0.3);
}

.gas-fp-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

.gas-fp-val {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--bzro);
}

.gas-fp-unit {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  color: var(--text-3);
  text-transform: uppercase;
}

/* ── Tier warning ── */
.gas-tier-warning {
  font-size: 0.65rem;
  color: var(--fire);
  padding: 5px 8px;
  background: rgba(255,95,31,0.06);
  border: 1px solid var(--border-fire);
  border-radius: var(--radius-sm);
  line-height: 1.4;
}

/* highlight priority fee value in tier card */
.gas-tr-val-priority {
  color: var(--bzro);
}

/* ── Fields wrap ── */
.gas-fields-wrap {
  margin-bottom: 8px;
}