/* 系统看板：指标卡 + 进程表 + 网络简报（Warm Paper，全令牌配色）。
   数字一律 tabular-nums 等宽对齐（design-system §4）。 */

.board {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  padding: 36px 48px 48px;
}

.board-head {
  margin-bottom: 28px;
}

.board-head h1 {
  font-size: 30px;
}

.board-sub {
  margin: 6px 0 0;
  font-size: 13.5px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

/* ── 指标卡 ─────────────────────────────────────────────────────── */

.board-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric-card {
  display: flex;
  flex-direction: column;
  padding: 20px 22px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--bg-elevated);
}

.metric-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.metric-value {
  margin-top: 6px;
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.metric-unit {
  margin-left: 2px;
  font-size: 20px;
  color: var(--text-secondary);
}

.metric-bar {
  margin-top: 12px;
  height: 6px;
  border-radius: 3px;
  background: var(--bg-sunken);
  overflow: hidden;
}

.metric-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: background-color var(--dur) var(--ease);
}

.metric-note {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

/* 语义色：<70% success / 70–85% warning / >85% danger
   2026-10-23 修复：必须带填充物类作用域——裸 .is-success 会匹配全 App 所有
   is-success 元素（曾把验收卡整卡刷成实心绿）。 */
.metric-bar-fill.is-success,
.core-bar-fill.is-success {
  background: var(--success);
}
.metric-bar-fill.is-warning,
.core-bar-fill.is-warning {
  background: var(--warning);
}
.metric-bar-fill.is-danger,
.core-bar-fill.is-danger {
  background: var(--danger);
}

/* CPU 每核迷你竖条 */
.core-bars {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 22px;
  margin-top: 12px;
}

.core-bar {
  flex: 1;
  min-width: 0;
  height: 100%;
  display: flex;
  align-items: flex-end;
  border-radius: 2px;
  background: var(--bg-sunken);
  overflow: hidden;
}

.core-bar-fill {
  width: 100%;
  min-height: 2px;
  border-radius: 2px;
  transition: background-color var(--dur) var(--ease);
}

/* 数值变化只做 150ms 淡入，不做数字滚动（design-system §6） */
.board-num {
  display: inline-block;
  animation: board-fade var(--dur) var(--ease);
}

@keyframes board-fade {
  from {
    opacity: 0.35;
  }
  to {
    opacity: 1;
  }
}

/* ── 下方两个面板 ───────────────────────────────────────────────── */

.board-panels {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 16px;
  margin-top: 16px;
  align-items: start;
}

.panel {
  padding: 20px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--bg-elevated);
}

.panel h2 {
  font-size: 16px;
  margin-bottom: 12px;
}

.panel-note {
  margin: 4px 0;
  font-size: 13px;
  color: var(--text-tertiary);
}

.panel-foot {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--text-tertiary);
}

/* ── 进程表 ─────────────────────────────────────────────────────── */

.proc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.proc-table th {
  padding: 6px 8px;
  text-align: left;
  font-weight: 500;
  font-size: 12px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.proc-table th.num,
.proc-table td.num {
  text-align: right;
}

.proc-table td {
  padding: 7px 8px;
  border-bottom: 1px solid var(--border);
}

.proc-table tbody tr {
  transition: background-color var(--dur) var(--ease);
}

/* hover 行底色 = accent-soft 的 40%（design-system §7） */
.proc-table tbody tr:hover {
  background: color-mix(in srgb, var(--accent-soft) 40%, transparent);
}

.proc-table tbody tr:last-child td {
  border-bottom: none;
}

.proc-name {
  max-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sort-btn {
  padding: 0;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
}

.sort-btn:hover {
  color: var(--text);
}

.sort-btn.is-active {
  color: var(--accent);
}

.sort-arrow {
  font-size: 10px;
}

/* ── 网络简报 ───────────────────────────────────────────────────── */

.net-public {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.net-public-label {
  flex-shrink: 0;
  font-size: 12.5px;
  color: var(--text-secondary);
}

.net-public-value {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.iface-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
}

.iface {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  font-size: 13px;
}

.iface + .iface {
  border-top: 1px solid var(--border);
}

.iface-name {
  flex-shrink: 0;
  min-width: 56px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text);
}

.iface-ips {
  flex: 1;
  min-width: 0;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.iface-mac {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-tertiary);
}

/* ── 空态（衬线大字一句话，design-system §7）─────────────────────── */

.board-empty {
  padding: 56px 0 24px;
}

.board-empty-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
}

.board-empty-sub {
  margin: 10px 0 0;
  font-size: 13.5px;
  color: var(--text-secondary);
}

/* ── CPU 异构分组（Apple Silicon 性能核/能效核）────────────── */
.core-groups {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.core-group-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.core-group-label {
  flex-shrink: 0;
  width: 60px;
  font-size: 12px;
  color: var(--text-secondary);
}
.core-group-count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--text-tertiary);
}
.core-group-row .core-bars {
  flex: 1;
}
.core-group-avg {
  flex-shrink: 0;
  width: 38px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
}