/* Subnet program — IPv4 CIDR calculator styles scoped to the subnet window. */

.window--subnet {
  --net: #2f6cb0;
  --net-soft: rgba(47, 108, 176, 0.12);
  --host: #d98a2b;
  --host-soft: rgba(217, 138, 43, 0.14);
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  max-width: 600px;
}

.window--subnet .window-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 28px;
}

.sub-input-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sub-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.sub-cidr {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--ink);
  background: #f2f3f5;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 14px;
  min-width: 0;
}

.sub-cidr:focus {
  outline: none;
  border-color: var(--net);
  background: #fff;
}

.sub-slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sub-prefix {
  flex: 1;
  accent-color: var(--net);
}

.sub-prefix-label {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--net);
  min-width: 2.6em;
  text-align: right;
}

.sub-error {
  font-size: 0.85rem;
  color: #c0392b;
}

.sub-bits {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  justify-content: center;
}

.sub-octet {
  display: flex;
  gap: 2px;
}

.sub-bit {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1;
  width: 14px;
  padding: 5px 0;
  text-align: center;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 80ms ease;
}

.sub-bit:hover {
  transform: translateY(-2px);
}

.sub-bit--net {
  background: var(--net-soft);
  color: var(--net);
}

.sub-bit--host {
  background: var(--host-soft);
  color: var(--host);
}

.sub-legend {
  display: flex;
  justify-content: center;
  gap: 18px;
  font-size: 0.75rem;
  color: var(--muted);
}

.sub-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sub-swatch {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.sub-swatch--net { background: var(--net); }
.sub-swatch--host { background: var(--host); }

.sub-facts {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 18px;
  border-top: 1px solid #ececee;
  padding-top: 16px;
}

.sub-facts dt {
  font-size: 0.85rem;
  color: var(--muted);
  align-self: center;
}

.sub-facts dd {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--ink);
  text-align: right;
  cursor: pointer;
  border-radius: 6px;
  padding: 2px 6px;
}

.sub-facts dd:hover {
  background: #f2f3f5;
}

.sub-facts dd.is-copied::after {
  content: 'copied!';
  position: absolute;
  right: 6px;
  top: -1.3em;
  font-size: 0.7rem;
  font-family: var(--font-ui);
  color: #fff;
  background: var(--ink);
  border-radius: 5px;
  padding: 2px 7px;
}

.sub-hint {
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
}

.sub-bits.is-stale,
.sub-facts.is-stale {
  opacity: 0.35;
  pointer-events: none;
}

@media (max-width: 480px) {
  .window--subnet .window-body {
    padding: 20px 16px;
  }

  .sub-facts dd {
    font-size: 0.85rem;
  }
}