/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border: 1px solid var(--line-strong);
  background: var(--bg-raise);
  color: var(--ink);
  font: 500 12.5px/1 var(--font-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  transition: .22s var(--ease);
}

.btn:hover {
  border-color: var(--blue);
  background: var(--blue-dim);
  transform: translateY(-2px);
}

.btn--primary {
  border-color: transparent;
  background: linear-gradient(120deg, var(--blue-deep), var(--blue) 55%, var(--blue-hi));
  color: #01050f;
  font-weight: 700;
  box-shadow: 0 14px 40px -16px var(--blue-glow);
}

.btn--primary:hover {
  background: linear-gradient(120deg, var(--blue), var(--blue-hi));
  box-shadow: 0 18px 48px -14px var(--blue-glow);
}

.btn--ghost { background: transparent; }

.btn--sm {
  padding: 9px 14px;
  font-size: 11px;
}

/* ---------- panels ---------- */

.panel {
  position: relative;
  background: linear-gradient(170deg, rgba(14, 20, 32, .9), rgba(7, 10, 17, .92));
  border: 1px solid var(--line);
}

.panel--cut { clip-path: var(--cut); }

.panel--pad { padding: clamp(20px, 2.4vw, 30px); }

.panel__label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-3);
  font: 500 10px/1.4 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}

/* ---------- pills & badges ---------- */

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-hi);
  box-shadow: 0 0 0 3px rgba(106, 226, 255, .14);
  animation: pulse 1.8s var(--ease) infinite;
}

.dot--mint { background: var(--mint); box-shadow: 0 0 0 3px rgba(61, 220, 151, .14); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .3; }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border: 1px solid currentColor;
  font: 500 9.5px/1.3 var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.badge--computable { color: var(--mint); background: rgba(61, 220, 151, .08); }
.badge--locked { color: var(--ink-3); background: rgba(107, 125, 148, .07); }

/* ---------- data type ---------- */

.stat {
  padding: 18px 20px;
  border-left: 1px solid var(--line);
}

.stat__k {
  display: block;
  margin-bottom: 10px;
  color: var(--ink-4);
  font: 500 9.5px/1 var(--font-mono);
  letter-spacing: .18em;
  text-transform: uppercase;
}

.stat__v {
  display: block;
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: -.035em;
  line-height: 1;
}

.stat__v em {
  margin-left: 5px;
  font-style: normal;
  font-size: .5em;
  letter-spacing: 0;
  color: var(--ink-3);
}

.stat__sub {
  display: block;
  margin-top: 7px;
  color: var(--ink-3);
  font: 400 11px/1.45 var(--font-mono);
}

.num { font-variant-numeric: tabular-nums; }

/* ---------- meter ---------- */

.meter {
  position: relative;
  height: 6px;
  background: var(--bg-inset);
  border: 1px solid var(--line);
  overflow: hidden;
}

.meter i {
  position: absolute;
  inset: 0 auto 0 0;
  display: block;
  width: 0;
  background: linear-gradient(90deg, var(--blue-deep), var(--blue-hi));
  transition: width .7s var(--ease);
}

.meter--mint i { background: linear-gradient(90deg, #1b8f61, var(--mint)); }
.meter--warm i { background: linear-gradient(90deg, #b8791f, var(--amber)); }
.meter--hot i { background: linear-gradient(90deg, #a8321f, var(--hot)); }

/* Filled in by market.js once a live BTC price lands; empty until then. */
.usd-slot {
  color: var(--ink-4);
  font: 400 11.5px/1 var(--font-mono);
  letter-spacing: .02em;
}

.usd-slot:not(:empty) { margin-left: 9px; }

.blue { color: var(--blue-hi); }
.mint { color: var(--mint); }
.muted { color: var(--ink-3); }

.kv {
  display: grid;
  grid-template-columns: minmax(0, 118px) minmax(0, 1fr);
  gap: 10px 18px;
  font: 400 13px/1.55 var(--font-mono);
}

.kv dt {
  color: var(--ink-4);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding-top: 3px;
}

.kv dd {
  margin: 0;
  color: var(--ink);
  word-break: break-all;
}

/* ---------- copyable address ---------- */

.addr {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--line);
  background: var(--bg-inset);
  text-align: left;
  transition: .2s var(--ease);
}

.addr:hover { border-color: var(--blue); background: rgba(31, 139, 255, .07); }

.addr code {
  flex: 1;
  min-width: 0;
  font-size: 12.5px;
  color: var(--blue-hi);
  overflow-wrap: anywhere;
}

.addr__hint {
  flex: none;
  color: var(--ink-4);
  font: 500 9.5px/1 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
}

.addr.is-copied { border-color: var(--mint); }
.addr.is-copied .addr__hint { color: var(--mint); }

/* ---------- inputs ---------- */

.field {
  display: grid;
  gap: 8px;
}

.field > label {
  color: var(--ink-4);
  font: 500 9.5px/1 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}

.field select,
.field input {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid var(--line);
  background: var(--bg-inset);
  font-family: var(--font-mono);
  font-size: 13.5px;
  transition: border-color .2s;
  appearance: none;
}

.field select:focus,
.field input:focus {
  border-color: var(--blue);
  outline: none;
}

.field select {
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%), linear-gradient(135deg, var(--ink-3) 50%, transparent 50%);
  background-position: calc(100% - 17px) 50%, calc(100% - 12px) 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.chip {
  padding: 8px 13px;
  border: 1px solid var(--line);
  background: var(--bg-raise);
  color: var(--ink-2);
  font: 500 11px/1 var(--font-mono);
  letter-spacing: .06em;
  transition: .2s var(--ease);
}

.chip:hover { color: var(--ink); border-color: var(--line-strong); }

.chip.is-on {
  border-color: var(--blue);
  background: var(--blue-dim);
  color: var(--blue-hi);
}

.chip b {
  margin-left: 6px;
  color: var(--ink-4);
  font-weight: 500;
}

.chip.is-on b { color: var(--blue); }

/* ---------- accordion ---------- */

.qa {
  border-top: 1px solid var(--line);
}

.qa:last-child { border-bottom: 1px solid var(--line); }

.qa__q {
  display: flex;
  align-items: center;
  gap: 18px;
  width: 100%;
  padding: 22px 4px;
  text-align: left;
  font-size: var(--step-1);
  font-weight: 500;
  letter-spacing: -.015em;
  transition: color .2s;
}

.qa__q:hover { color: var(--blue-hi); }

.qa__q i {
  flex: none;
  position: relative;
  width: 13px;
  height: 13px;
  margin-left: auto;
  color: var(--blue);
}

.qa__q i::before,
.qa__q i::after {
  content: "";
  position: absolute;
  inset: 50% 0 auto;
  height: 1.5px;
  background: currentColor;
  transition: transform .25s var(--ease);
}

.qa__q i::after { transform: rotate(90deg); }
.qa.is-open .qa__q i::after { transform: rotate(0); }

.qa__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .32s var(--ease);
}

.qa.is-open .qa__a { grid-template-rows: 1fr; }

.qa__a > div {
  overflow: hidden;
  color: var(--ink-2);
  line-height: 1.68;
}

.qa__a p { padding-bottom: 24px; max-width: 78ch; }
.qa__a p + p { padding-top: 0; margin-top: -10px; }

/* ---------- misc ---------- */

.hr-fade {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--line-strong) 20%, var(--line-strong) 80%, transparent);
}

/* Never set a display here: this class lands on headings that must keep their own. */
.scramble { font-variant-ligatures: none; }

.tip {
  color: var(--ink-4);
  font: 400 11.5px/1.6 var(--font-mono);
}

.link-arrow {
  color: var(--blue-hi);
  font: 500 12px/1 var(--font-mono);
  letter-spacing: .04em;
  border-bottom: 1px solid rgba(106, 226, 255, .3);
  padding-bottom: 2px;
  transition: .2s;
}

.link-arrow:hover { border-bottom-color: var(--blue-hi); }