/* ============================================================
   进制转换器 —— 页面私有样式（/devtools/base-converter）
   通用结构复用 devtools.css，颜色只用 --c-* 变量，自动适配黑夜模式
   ============================================================ */

/* ---------- 进制输入行 ---------- */
.bc-row {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.bc-row-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    width: 118px;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--c-text);
}

.bc-row-label .tag {
    padding: 1px 6px;
    border-radius: 5px;
    background: var(--c-bg-soft);
    border: 1px solid var(--c-border);
    font-size: 11px;
    font-weight: 700;
    color: var(--c-text-muted);
}

.bc-row .dt-input { flex: 1; min-width: 0; }

/* 十六进制等宽显示，便于逐字节比对 */
.bc-row .dt-input--mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    letter-spacing: .04em;
}

/* ---------- 字节分组 ---------- */
.bc-groups {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px 14px;
    border: 1px solid var(--c-border);
    border-radius: 12px;
    background: var(--c-bg-soft);
}

.bc-group-line {
    display: flex;
    align-items: baseline;
    gap: 10px;
    flex-wrap: wrap;
}

.bc-group-name {
    flex-shrink: 0;
    width: 92px;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--c-text-sub);
}

.bc-group-value {
    flex: 1;
    min-width: 0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13px;
    line-height: 1.9;
    color: var(--c-primary);
    word-break: break-all;
}

/* 数值规模展示 */
.bc-scale {
    padding: 12px 14px;
    border: 1px solid var(--c-border);
    border-radius: 12px;
    background: var(--c-bg-soft);
    font-size: 14px;
    line-height: 1.9;
    color: var(--c-text-sub);
    word-break: break-all;
}

.bc-scale b { color: var(--c-text); }
.bc-scale sup { font-size: .72em; }

/* ---------- 常用值速查 ---------- */
.bc-chips {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.bc-chips-label {
    flex-shrink: 0;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--c-text-muted);
}

.bc-chip {
    padding: 4px 12px;
    border: 1px solid var(--c-border);
    border-radius: 999px;
    background: var(--c-surface-2);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12px;
    font-weight: 600;
    color: var(--c-text-sub);
    cursor: pointer;
    transition: color .15s, border-color .15s;
}

.bc-chip:hover {
    border-color: var(--c-primary);
    color: var(--c-primary);
}

/* ---------- Unicode 字符联动 ---------- */
.bc-uni {
    display: flex;
    gap: 14px;
    align-items: stretch;
    padding: 14px;
    border: 1px solid var(--c-border);
    border-radius: 12px;
    background: var(--c-bg-soft);
}

.bc-uni-char {
    flex-shrink: 0;
    width: 92px;
    height: 92px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 46px;
    line-height: 1;
    border: 1px solid var(--c-border);
    border-radius: 12px;
    background: var(--c-surface-2);
    color: var(--c-text);
    overflow: hidden;
}

.bc-uni-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
}

.bc-uni-val {
    flex: 1;
    min-width: 0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13px;
    line-height: 1.8;
    color: var(--c-primary);
    word-break: break-all;
    cursor: copy;
}

.bc-uni-val:hover { text-decoration: underline dotted; }

/* ---------- 负数补码视图 ---------- */
.bc-comp { display: flex; flex-direction: column; gap: 4px; }

.bc-comp-note {
    font-size: 12.5px;
    line-height: 1.7;
    color: var(--c-text-muted);
}

.bc-comp .dt-table td code { word-break: break-all; }

/* 「怎么来的」列：规则说明 */
.bc-comp-how {
    font-size: 12.5px;
    line-height: 1.7;
    color: var(--c-text-muted);
}

/* 逐步推导块：等宽字体，逐行对照位串 */
.bc-calc {
    margin-top: 12px;
    padding: 12px 14px;
    border: 1px solid var(--c-border);
    border-left: 3px solid var(--c-primary);
    border-radius: 10px;
    background: var(--c-bg-soft);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12.8px;
    line-height: 2.05;
    color: var(--c-text-sub);
    word-break: break-all;
}

.bc-calc code {
    padding: 1px 5px;
    border-radius: 4px;
    background: var(--c-surface-2);
    color: var(--c-primary);
}

.bc-calc b { color: var(--c-text); }

/* ---------- 原码 / 反码 / 补码 静态说明 ---------- */
.bc-doc {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 14px;
    line-height: 1.95;
    color: var(--c-text-sub);
}

.bc-doc p { margin: 0; }
.bc-doc table { margin: 2px 0; }
.bc-doc-hint { font-size: 13px; color: var(--c-text-muted); }

/* 64 位位串很宽，表格允许横向滚动，不撑破页面 */
.bc-doc-scroll {
    overflow-x: auto;
    max-width: 100%;
}

.bc-doc-scroll .dt-table { min-width: 640px; }

/* 规则说明区里的位串允许换行，长位宽也能看全 */
.bc-doc .dt-table code { word-break: break-all; }

@media (max-width: 640px) {
    .bc-row { flex-wrap: wrap; }
    .bc-row-label { width: auto; }
    .bc-row .dt-input { flex: 1 1 100%; }
    .bc-group-name { width: auto; }
    .bc-uni { flex-direction: column; align-items: center; }
    .bc-uni-body { width: 100%; }
}