/* IPv4 子网计算器 页面样式（公共样式在 style.css） */

/* ---------- 工具主卡片 ---------- */
.sc-tool {
  background: #fff;
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.sc-input-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

#scInput {
  flex: 1;
  min-width: 220px;
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 1.1rem;
  padding: 12px 14px;
  border: 2px solid var(--gray-200);
  border-radius: 10px;
  outline: none;
  color: var(--gray-900);
  transition: border-color 0.15s;
}

#scInput:focus {
  border-color: var(--primary);
}

.chip-label {
  margin-top: 14px;
  margin-bottom: 6px;
  font-size: 0.85rem;
  color: var(--gray-500);
}

.sc-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sc-chip {
  display: inline-block;
  padding: 5px 14px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--gray-700);
  cursor: pointer;
  user-select: none;
  transition: all 0.15s;
}

.sc-chip:hover,
.sc-chip:focus-visible {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(79, 70, 229, 0.06);
  outline: none;
}

/* 错误提示 */
#scError {
  display: none;
  margin-top: 12px;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: #b91c1c;
  background: #fee2e2;
  border: 1px solid #fca5a5;
}

/* ---------- 结果区 ---------- */
#scResultsWrap[hidden] {
  display: none;
}

.sc-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(5, 150, 105, 0.06));
  border: 1px solid rgba(79, 70, 229, 0.18);
  border-radius: 10px;
}

.sc-cidr-big {
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--primary);
  word-break: break-all;
}

.sc-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sc-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  white-space: nowrap;
}

.sc-badge-info {
  color: #1d4ed8;
  background: #dbeafe;
}

.sc-badge-ok {
  color: #047857;
  background: #d1fae5;
}

.sc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.sc-cell {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  padding: 10px 12px;
}

.sc-cell dt {
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-bottom: 2px;
}

.sc-cell dd {
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--gray-900);
  word-break: break-all;
}

.sc-cell.hl {
  background: rgba(79, 70, 229, 0.06);
  border-color: rgba(79, 70, 229, 0.25);
}

.sc-cell.hl dd {
  color: var(--primary);
}

/* ---------- 二进制视图（仿参考布局：32 格位块 + 图例 + 点分二进制行） ---------- */
.sc-section-title {
  margin-top: 20px;
  margin-bottom: 10px;
  font-size: 1.05rem;
  color: var(--gray-800);
}

.sc-bin-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.sc-bin-sub {
  font-size: 0.85rem;
  color: var(--gray-500);
}

.sc-bin-legend {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: #64748b;
  white-space: nowrap;
}

.sc-bin-legend span::before {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 5px;
  border-radius: 2px;
  background: #2563eb;
  content: "";
}

.sc-bin-legend span.lg-host::before {
  background: #dbe4f0;
}

.sc-bits {
  display: grid;
  grid-template-columns: repeat(32, minmax(18px, 1fr));
  gap: 2px;
  overflow-x: auto;
  padding-bottom: 5px;
  margin-top: 10px;
}

.sc-bits span {
  display: grid;
  min-width: 18px;
  height: 32px;
  place-items: center;
  border-radius: 4px;
  font-family: ui-monospace, "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 12px;
  font-weight: 700;
}

.sc-bits .network {
  background: #2563eb;
  color: #fff;
}

.sc-bits .host {
  background: #e8eef6;
  color: #42516a;
}

.sc-bits .octet-end {
  margin-right: 5px;
}

.sc-bin-lines {
  display: grid;
  gap: 7px;
  margin-top: 12px;
}

.sc-bin-lines > div {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}

.sc-bin-lines span {
  color: #7b8798;
  font-size: 11px;
}

.sc-bin-lines code {
  overflow-x: auto;
  white-space: nowrap;
  font-family: ui-monospace, "SFMono-Regular", Consolas, Menlo, monospace;
  color: #334155;
  font-size: 12px;
}

/* ---------- 子网拆分 ---------- */
.sc-split-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

#scSplitPrefix {
  width: 110px;
  padding: 9px 12px;
  border: 2px solid var(--gray-200);
  border-radius: 10px;
  outline: none;
  font-family: Consolas, Menlo, monospace;
  font-size: 0.95rem;
}

#scSplitPrefix:focus {
  border-color: var(--primary);
}

.sc-table-wrap {
  overflow-x: auto;
}

.sc-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.sc-table th,
.sc-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}

.sc-table th {
  background: var(--gray-100);
  color: var(--gray-600);
  font-weight: 600;
}

.sc-table tbody tr:hover {
  background: var(--gray-50);
}

.sc-mono {
  font-family: Consolas, Menlo, monospace;
  color: var(--primary);
  font-weight: 600;
}

.sc-split-note {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--gray-500);
}

.sc-split-note b {
  color: var(--primary);
}

.copied {
  opacity: 0.85;
}

/* ---------- 移动端 ---------- */
@media (max-width: 680px) {
  /* 参考页同款行为：窄屏隐藏二进制图例 */
  .sc-bin-legend {
    display: none;
  }
}

@media (max-width: 640px) {
  .sc-cidr-big {
    font-size: 1.15rem;
  }
}