/* ============================================================
   概览页 —— 卡片网格 + 各类指标卡片
   ============================================================ */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
  align-items: start;
}

/* ---- 卡片外壳 ---- */
.metric-card {
  background: var(--card-bg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 22px 24px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
  overflow: hidden;
}

.metric-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--hairline-strong);
}

.metric-card header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.metric-card h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-secondary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.metric-card .sub {
  font-size: 12px;
  color: var(--ink-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metric-card .body {
  flex: 1;
  min-width: 0;
}

.placeholder {
  color: var(--ink-muted);
  font-size: 14px;
  padding-top: 20px;
}

.error-text {
  color: var(--status-critical);
  font-size: 14px;
  padding-top: 20px;
}

/* ---- 大数字 ---- */
.big-value {
  font-size: 36px;
  font-weight: 700;
  color: var(--ink-strong);
  letter-spacing: -0.01em;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
}

.detail {
  font-size: 13px;
  color: var(--ink-secondary);
  margin-top: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---- 仪表条 ---- */
.meter {
  height: 8px;
  background: var(--track);
  border-radius: 999px;
  margin-top: 18px;
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.6s ease, background-color 0.3s ease;
}

.meter-fill.good {
  background: var(--status-good);
}

.meter-fill.warning {
  background: var(--status-warning);
}

.meter-fill.serious {
  background: var(--status-serious);
}

.meter-fill.critical {
  background: var(--status-critical);
}

/* ---- 缺少依赖的置灰卡片 ---- */
.metric-card.missing {
  background: var(--surface-dim);
  border: 1px dashed var(--hairline-strong);
  box-shadow: none;
}

.metric-card.missing:hover {
  box-shadow: none;
  border-color: var(--hairline-strong);
}

.metric-card.missing h3,
.metric-card.missing .body {
  color: var(--ink-muted);
}

.missing-box,
.error-box {
  text-align: center;
  padding: 24px 0 8px;
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.6;
}

.missing-box .btn,
.error-box .btn {
  margin-top: 16px;
}

.error-box {
  color: var(--status-critical);
}

/* ============================================================
   网络速率卡片
   ============================================================ */
.net-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
}

.net-row + .net-row {
  border-top: 1px solid var(--divider);
}

.net-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.net-dot.dot-1 {
  background: var(--series-1);
}

.net-dot.dot-2 {
  background: var(--series-2);
}

.net-row .label {
  font-size: 14px;
  color: var(--ink-secondary);
  white-space: nowrap;
}

.net-row .rate {
  margin-left: auto;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-strong);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ============================================================
   进程表格 —— 全宽跨列
   ============================================================ */
.overview-grid > section:last-child {
  grid-column: 1 / -1;
}

.proc-table {
  width: 100%;
  font-size: 13px;
  border-collapse: collapse;
  table-layout: fixed;
}

.proc-table th {
  text-align: left;
  color: var(--ink-muted);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: 4px 10px 10px;
  border-bottom: 1px solid var(--divider);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.proc-table td {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 列宽分配 */
.proc-table th:nth-child(1),
.proc-table td:nth-child(1) {
  width: auto;
}

.proc-table th:nth-child(2),
.proc-table td:nth-child(2) {
  width: 70px;
}

.proc-table th:nth-child(3),
.proc-table td:nth-child(3) {
  width: 90px;
}

.proc-table th:nth-child(4),
.proc-table td:nth-child(4),
.proc-table th:nth-child(5),
.proc-table td:nth-child(5) {
  width: 70px;
}

.proc-table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.proc-table tbody tr {
  transition: background 0.12s ease;
}

.proc-table tbody tr:hover {
  background: var(--surface-hover);
}

/* 杀死进程按钮 */
.proc-table .kill-cell {
  text-align: right;
  width: 90px;
}

.kill-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 28px;
  padding: 0 12px;
  border: 1px solid var(--hairline-strong);
  background: transparent;
  color: var(--ink-secondary);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.kill-btn:hover {
  color: var(--status-critical);
  border-color: rgba(239, 68, 68, 0.4);
  background: rgba(239, 68, 68, 0.06);
}

.kill-btn.confirm {
  background: var(--status-critical);
  border-color: var(--status-critical);
  color: #ffffff;
}

.kill-btn.confirm:hover {
  background: #dc2626;
  border-color: #dc2626;
}

.kill-feedback {
  margin-top: 12px;
  font-size: 13px;
}

.kill-feedback.ok {
  color: var(--success-text);
}

.kill-feedback.fail {
  color: var(--status-critical);
}