/* ============================================================
   BOILER-TUBE LIFECYCLE MANAGEMENT SYSTEM · 维护记录 · 样式
   assets/app/maintenance-log-v1.css · v1.0.0
   ------------------------------------------------------------
   约定：
   1. 只使用 app-v8.0.css 的 :root / html[data-theme="light"] 设计令牌
   2. 类名统一 mlog-* 前缀，与既有 .card / .btn / .table-wrap 组合使用
   ============================================================ */

/* ---------- 概览指标 ---------- */
.mlog-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.mlog-stat {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface-elevated);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.mlog-stat[data-tone="accent"] { border-left-color: var(--accent); }
.mlog-stat[data-tone="warn"] { border-left-color: var(--warn); }
.mlog-stat[data-tone="danger"] { border-left-color: var(--danger); }

.mlog-stat-k {
  display: block;
  font-size: 11px;
  letter-spacing: 0.4px;
  color: var(--text-faint);
}

.mlog-stat-v {
  display: block;
  margin-top: 3px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-hi);
  font-variant-numeric: tabular-nums;
}

.mlog-stat-h {
  display: block;
  margin-top: 4px;
  font-size: 10.5px;
  color: var(--text-ghost);
  overflow-wrap: anywhere;
}

/* ---------- 工具栏 ---------- */
.mlog-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 10px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line-subtle);
}

.mlog-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 120px;
}

.mlog-field > label {
  font-size: 10.5px;
  letter-spacing: 0.3px;
  color: var(--text-faint);
}

.mlog-field select,
.mlog-field input {
  height: 32px;
  padding: 0 9px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-sunken);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 12px;
  transition: border-color var(--dur-fast) var(--ease-out);
}

.mlog-field select:focus,
.mlog-field input:focus {
  outline: none;
  border-color: var(--accent);
}

.mlog-field.mlog-search {
  flex: 1 1 200px;
  min-width: 180px;
}

.mlog-actions {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

/* ---------- 动作标签 ---------- */
.mlog-action {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-full);
  background: var(--surface-sunken);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.3px;
  white-space: nowrap;
  color: var(--text-dim);
}

.mlog-action[data-tone="ok"] {
  border-color: color-mix(in srgb, var(--ok) 45%, transparent);
  background: color-mix(in srgb, var(--ok) 13%, transparent);
  color: var(--ok);
}

.mlog-action[data-tone="danger"] {
  border-color: color-mix(in srgb, var(--danger) 45%, transparent);
  background: color-mix(in srgb, var(--danger) 13%, transparent);
  color: var(--danger);
}

.mlog-action[data-tone="warn"] {
  border-color: color-mix(in srgb, var(--warn) 45%, transparent);
  background: color-mix(in srgb, var(--warn) 13%, transparent);
  color: var(--warn);
}

.mlog-action[data-tone="accent"] {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent-bright);
}

/* ---------- 表格 ---------- */
#view-maintainlog .table-wrap table td {
  vertical-align: top;
  font-size: 12px;
}

.mlog-time span {
  display: block;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.mlog-time em {
  display: block;
  margin-top: 2px;
  font-style: normal;
  font-size: 10.5px;
  color: var(--text-ghost);
}

.mlog-target span {
  display: block;
  color: var(--text);
  max-width: 260px;
  overflow-wrap: anywhere;
}

.mlog-target em {
  display: block;
  margin-top: 2px;
  font-style: normal;
  font-size: 10.5px;
  color: var(--text-faint);
  overflow-wrap: anywhere;
}

.mlog-summary {
  max-width: 340px;
  color: var(--text-dim);
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.mlog-summary em {
  display: block;
  margin-top: 2px;
  font-style: normal;
  font-size: 10.5px;
  color: var(--text-ghost);
}

.mlog-operator,
.mlog-source {
  white-space: nowrap;
  color: var(--text-dim);
  font-size: 11.5px;
}

.mlog-source[data-source="assistant"] { color: var(--info-violet); }
.mlog-source[data-source="system"] { color: var(--text-faint); }

.mlog-ops { white-space: nowrap; }

.mlog-detail-btn {
  padding: 2px 9px;
  font-size: 11px;
}

.mlog-empty {
  padding: 28px 12px;
  text-align: center;
  color: var(--text-faint);
}

/* ---------- 明细（字段级差异） ---------- */
.mlog-detail > td {
  padding: 0 !important;
  background: var(--surface-sunken);
}

.mlog-detail-box {
  padding: 10px 14px 12px;
  border-top: 1px dashed var(--line-subtle);
}

.mlog-detail-head {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-hi);
  margin-bottom: 8px;
}

.mlog-diff {
  width: 100%;
  border-collapse: collapse;
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
}

.mlog-diff th,
.mlog-diff td {
  padding: 4px 10px;
  text-align: left;
  border-bottom: 1px solid var(--line-subtle);
}

.mlog-diff th {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-faint);
  background: transparent;
}

.mlog-diff .mlog-before { color: var(--text-faint); }
.mlog-diff .mlog-after { color: var(--ok); }

.mlog-detail-empty,
.mlog-detail-meta {
  margin: 0;
  font-size: 10.5px;
  color: var(--text-ghost);
  line-height: 1.7;
}

.mlog-foot {
  margin: 10px 0 0;
  font-size: 10.5px;
  color: var(--text-ghost);
  text-align: right;
}

/* ---------- 窄屏 ---------- */
@media (max-width: 900px) {
  .mlog-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .mlog-actions {
    margin-left: 0;
    width: 100%;
  }
  .mlog-field.mlog-search {
    flex: 1 1 100%;
  }
  .mlog-summary,
  .mlog-target span {
    max-width: none;
  }
}