/* ═══════════════════════════════════════════
   Subnet Calculator
   Shared component styles come from css/tool-base.css.
   ═══════════════════════════════════════════ */

.snc-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
  align-items: start;
}
.snc-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
}
.snc-card {
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--t-border-glass);
  border-radius: var(--t-radius);
  background: var(--t-bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.snc-label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-tertiary, #888);
}
.snc-label-gap { margin-top: 0.9rem; }
.snc-input {
  width: 100%;
  box-sizing: border-box;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--t-border);
  border-radius: var(--t-radius-sm);
  background: var(--t-bg);
  color: var(--text);
  font-family: var(--t-mono);
  font-size: 0.95rem;
  transition: border-color .2s, box-shadow .2s;
}
.snc-input:focus {
  outline: none;
  border-color: var(--t-accent);
  box-shadow: 0 0 0 3px var(--t-accent-light);
}
.snc-prefix-row {
  display: flex;
  gap: 0.6rem;
  align-items: stretch;
  flex-wrap: wrap;
}
.snc-input-prefix {
  width: 90px;
  flex-shrink: 0;
  text-align: center;
}
.snc-prefix-pills {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.snc-pill {
  padding: 0.5rem 0.8rem;
  border: 1.5px solid var(--t-border);
  border-radius: 100px;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--t-mono);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color .2s, color .2s, background .2s;
}
.snc-pill:hover { border-color: var(--t-accent); color: var(--t-accent); background: var(--t-accent-light); }
.snc-pill.active {
  background: linear-gradient(135deg, var(--t-accent), var(--t-accent-2));
  color: #fff;
  border-color: transparent;
}
.snc-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}
.snc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.68rem 1.25rem;
  border-radius: 100px;
  font-family: var(--t-font);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  border: 1.5px solid var(--t-border);
  background: var(--t-bg);
  color: var(--text-secondary);
  transition: transform .2s, filter .2s, border-color .2s, color .2s, background .2s;
}
.snc-btn:hover { transform: translateY(-1px); }
.snc-btn-primary {
  flex: 1;
  border-color: transparent;
  background: linear-gradient(135deg, var(--t-accent), var(--t-accent-2));
  color: #fff;
}
.snc-btn-primary:hover { filter: brightness(1.08); }
.snc-btn-ghost:hover {
  border-color: var(--t-accent);
  color: var(--t-accent);
  background: var(--t-accent-light);
}
.snc-btn-copy { width: 100%; margin-top: 0.9rem; }
.snc-btn-copy:hover {
  border-color: var(--t-accent);
  color: var(--t-accent);
  background: var(--t-accent-light);
}
.snc-card-title { margin: 0 0 0.65rem; font-size: 0.95rem; font-weight: 800; color: var(--text); }
.snc-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--t-border);
  font-size: 0.84rem;
}
.snc-row:last-of-type { border-bottom: none; }
.snc-row-label { color: var(--text-tertiary, #888); font-weight: 600; flex-shrink: 0; }
.snc-row-value {
  font-family: var(--t-mono);
  font-weight: 600;
  color: var(--text);
  text-align: right;
  min-width: 0;
  overflow-wrap: anywhere;
}
.snc-notice {
  margin: 0;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--t-border);
  border-radius: var(--t-radius-sm);
  background: var(--t-bg);
  color: var(--text-tertiary, #888);
  font-size: 0.75rem;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .snc-layout { grid-template-columns: 1fr; }
}