/* 消息中心 · 对照影擎 messages。仅 scope 在 .msg-page,不改共享 .btn/.pill/.input */
.msg-page {
  --klein: #002fa7;
  --st-muted: #6f747c;
  --st-text: #17181a;
  --st-black: #101012;
  --st-line: rgba(34, 42, 54, 0.09);
  --st-shadow: 0 8px 20px rgba(20, 27, 38, 0.09);
  width: 100%;
  max-width: none;
  box-sizing: border-box;
  margin: -24px -28px -60px;
  padding: 52px clamp(40px, 3.2vw, 68px) 48px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
@media (max-width: 1100px) {
  .msg-page { margin: -28px -24px -48px; }
}

.msg-page .msg-inner {
  width: min(1560px, 100%);
  margin: 0 auto;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.msg-page .page-head {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 14px;
  margin-bottom: 6px;
  flex-wrap: nowrap;
}
.msg-page .page-head h1 { font-size: 28px; }
.msg-page .page-head .sub { margin-top: 6px; font-size: 15px; color: var(--st-muted); }

.msg-back {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  margin-top: 4px;
  display: grid;
  place-items: center;
  padding: 0;
  border-radius: 8px;
  border: 1px solid rgba(28, 34, 43, 0.12);
  background: #fff;
  color: var(--st-text);
  cursor: pointer;
}
.msg-back:hover { background: rgba(34, 42, 54, 0.05); }
.msg-back:focus-visible { outline: none; box-shadow: 0 0 0 2px #fff, 0 0 0 4px rgba(0, 47, 167, 0.28); }
.msg-back svg { width: 18px; height: 18px; display: block; }

.msg-head-actions { display: inline-flex; align-items: center; gap: 10px; margin-left: auto; }

.msg-ghost,
.msg-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border-radius: 11px;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
}
.msg-ghost {
  min-width: 132px;
  height: 46px;
  padding: 0 18px;
  color: var(--st-text);
  border: 1px solid rgba(28, 34, 43, 0.12);
  background: rgba(34, 42, 54, 0.05);
}
.msg-ghost:hover:not(:disabled) { background: rgba(34, 42, 54, 0.10); }
.msg-ghost:disabled {
  color: rgba(28, 34, 43, 0.36);
  border-color: rgba(28, 34, 43, 0.07);
  background: rgba(34, 42, 54, 0.025);
  cursor: not-allowed;
}
.msg-ghost svg, .msg-primary svg {
  display: block;
  width: 18px;
  height: 18px;
}
.msg-ghost-sm { min-width: 0; height: 38px; padding: 0 14px; }
.msg-primary {
  min-width: 0;
  height: 42px;
  padding: 0 18px;
  color: #fff;
  border: 0;
  background: var(--klein);
  box-shadow: 0 9px 18px rgba(0, 47, 167, 0.18);
}
.msg-primary:hover { background: #002680; }
.msg-primary.is-active,
.msg-ghost.is-active {
  color: var(--klein);
  background: rgba(0, 47, 167, 0.09);
  border: 1px solid rgba(0, 47, 167, 0.18);
  box-shadow: none;
}

.msg-workbench {
  display: grid;
  grid-template-columns: 350px minmax(0, 1fr);
  height: calc(100vh - 260px);
  min-height: 620px;
  overflow: hidden;
  border: 1px solid var(--st-line);
  border-radius: 14px;
  background: rgba(34, 42, 54, 0.025);
  box-shadow: var(--st-shadow);
}

.msg-inbox,
.msg-detail {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}
.msg-inbox {
  border-right: 1px solid var(--st-line);
  background: rgba(255, 255, 255, 0.88);
}

.msg-toolbar {
  padding: 18px;
  border-bottom: 1px solid rgba(34, 42, 54, 0.08);
}
.msg-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 12px;
}
.msg-filter {
  height: 30px;
  padding: 0 11px;
  border: 0;
  border-radius: 8px;
  color: var(--st-muted);
  background: rgba(34, 42, 54, 0.055);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}
.msg-filter:hover { background: rgba(34, 42, 54, 0.10); color: var(--st-text); }
.msg-filter.active {
  color: #fff;
  background: var(--st-black);
}
.msg-filter.is-muted {
  color: var(--st-muted);
  background: rgba(34, 42, 54, 0.03);
}
.msg-filter.active.is-muted {
  color: #fff;
  background: var(--st-black);
}

.msg-search {
  width: 100%;
  height: 40px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 13px;
  border: 1px solid rgba(34, 42, 54, 0.10);
  border-radius: 10px;
  background: #fff;
  color: var(--st-muted);
}
.msg-search input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  font: inherit;
  font-size: 13px;
  color: var(--st-text);
}

.msg-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}
.msg-load-more {
  padding: 14px 16px 18px;
  text-align: center;
  font-size: 12px;
  color: var(--st-muted);
}
.msg-item {
  width: 100%;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: center;
  gap: 11px;
  padding: 16px 18px;
  text-align: left;
  border: 0;
  border-bottom: 1px solid rgba(34, 42, 54, 0.075);
  background: transparent;
  font: inherit;
  cursor: pointer;
}
.msg-item:hover { background: rgba(34, 42, 54, 0.04); }
.msg-item.active {
  background: rgba(0, 47, 167, 0.07);
  box-shadow: inset 3px 0 var(--klein);
}
.msg-item-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  border-radius: 9px;
  color: var(--klein);
  background: rgba(0, 47, 167, 0.09);
  flex: 0 0 34px;
  align-self: center;
}
.msg-item-icon svg {
  display: block;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.msg-item-icon.billing { color: #8a6a12; background: rgba(236, 183, 48, 0.14); }
.msg-item-icon.system { color: #4c5360; background: rgba(34, 42, 54, 0.08); }
.msg-item-icon.team { color: #138d3f; background: rgba(22, 184, 78, 0.10); }
.msg-item strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--st-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.msg-item .msg-time {
  display: block;
  color: var(--st-muted);
  font-size: 11px;
  white-space: nowrap;
  align-self: start;
  padding-top: 2px;
}
.msg-item.read strong { color: var(--st-muted); font-weight: 500; }
.msg-item p {
  margin: 5px 0 0;
  color: var(--st-muted);
  font-size: 12px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.msg-empty {
  min-height: 320px;
  display: grid;
  place-items: center;
  align-content: center;
  justify-items: center;
  gap: 8px;
  padding: 24px;
  color: var(--st-muted);
  font-size: 13px;
  text-align: center;
}
.msg-empty svg { display: block; width: 24px; height: 24px; }
.msg-empty .msg-ghost { margin-top: 6px; }
.msg-mute-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 18px;
  border-bottom: 1px solid rgba(34, 42, 54, 0.06);
  color: var(--st-muted);
  font-size: 12px;
  background: rgba(34, 42, 54, 0.03);
}
.msg-mute-note .msg-ghost { flex: 0 0 auto; height: 30px; padding: 0 12px; }
.msg-detail-empty-inner .msg-ghost { margin-top: 4px; }

@keyframes msg-skel {
  0% { background-position: -240px 0; }
  100% { background-position: 240px 0; }
}
.msg-skel-bar,
.msg-skel-ico,
.msg-skel-time,
.msg-skel-more span {
  display: block;
  border-radius: 8px;
  background-color: rgba(34, 42, 54, 0.06);
  background-image: linear-gradient(90deg, transparent, rgba(34, 42, 54, 0.08), transparent);
  background-size: 240px 100%;
  background-repeat: no-repeat;
  animation: msg-skel 1.2s ease-in-out infinite;
}
.msg-skel-row {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 36px;
  align-items: center;
  gap: 11px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(34, 42, 54, 0.06);
}
.msg-skel-ico { width: 34px; height: 34px; border-radius: 9px; }
.msg-skel-copy { display: grid; gap: 8px; min-width: 0; }
.msg-skel-bar { height: 12px; width: 72%; }
.msg-skel-bar-sm { height: 10px; width: 88%; opacity: .85; }
.msg-skel-row:nth-child(odd) .msg-skel-bar { width: 64%; }
.msg-skel-row:nth-child(odd) .msg-skel-bar-sm { width: 76%; }
.msg-skel-row:nth-child(3n) .msg-skel-bar { width: 80%; }
.msg-skel-time { width: 28px; height: 10px; justify-self: end; }
.msg-skel-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 16px;
}
.msg-skel-more span { width: 6px; height: 6px; border-radius: 999px; }
.msg-skel-more span:nth-child(2) { animation-delay: .15s; }
.msg-skel-more span:nth-child(3) { animation-delay: .3s; }

.msg-detail-skel { flex: 1; min-height: 0; padding: 28px; }
.msg-skel-title { height: 22px; width: 46%; margin-bottom: 14px; }
.msg-skel-lead { height: 12px; width: 88%; margin-bottom: 10px; }
.msg-skel-lead-2 { width: 62%; margin-bottom: 24px; }
.msg-skel-summary {
  display: grid;
  gap: 16px;
  padding: 20px;
  border-radius: 12px;
  background: rgba(34, 42, 54, 0.04);
}
.msg-skel-kv {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  align-items: center;
  gap: 20px;
}
.msg-skel-k { height: 11px; width: 52px; }
.msg-skel-v { height: 12px; width: 42%; }
.msg-skel-kv:nth-child(even) .msg-skel-v { width: 58%; }
.msg-skel-kv:nth-child(3n) .msg-skel-v { width: 34%; }

.msg-detail {
  padding: 0;
  background: rgba(255, 255, 255, 0.72);
}
.msg-detail-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 28px;
}
.msg-detail h2 {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 600;
  color: var(--st-text);
  line-height: 1.35;
}
.msg-detail-body > p {
  margin: 0 0 24px;
  color: var(--st-muted);
  font-size: 14px;
  line-height: 1.7;
}
.msg-summary {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 14px 20px;
  padding: 20px;
  border-radius: 12px;
  background: rgba(34, 42, 54, 0.05);
}
.msg-summary span { color: var(--st-muted); font-size: 13px; }
.msg-summary strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--st-text);
  min-width: 0;
  overflow-wrap: break-word;
}
.msg-related {
  justify-self: start;
  padding: 0;
  border: 0;
  background: none;
  color: var(--klein);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.msg-related:hover { color: #002680; }

.msg-timeline {
  margin-top: 18px;
  padding: 16px;
  border-radius: 12px;
  background: rgba(34, 42, 54, 0.04);
}
.msg-timeline-h {
  margin-bottom: 12px;
  color: var(--st-text);
  font-size: 13px;
  font-weight: 600;
}
.msg-step {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid rgba(34, 42, 54, 0.07);
}
.msg-step:first-of-type { border-top: 0; padding-top: 0; }
.msg-step .t { color: var(--st-muted); font-size: 12px; }
.msg-step .d { color: var(--st-text); font-size: 13px; line-height: 1.55; }

.msg-log {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--st-black);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  white-space: pre-wrap;
}
.msg-log-empty { opacity: .48; }

.msg-detail-f {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  border-top: 1px solid rgba(34, 42, 54, 0.08);
  background: rgba(255, 255, 255, 0.7);
}
.msg-detail-f .spacer { flex: 1; }

.msg-detail-empty {
  flex: 1;
  display: grid;
  place-items: center;
  align-content: center;
  color: var(--st-muted);
  text-align: center;
}
.msg-detail-empty-inner {
  display: grid;
  justify-items: center;
  gap: 10px;
}
.msg-detail-empty .ic {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  border-radius: 12px;
  background: rgba(34, 42, 54, 0.07);
}
.msg-detail-empty .ic svg {
  display: block;
  width: 22px;
  height: 22px;
}

@media (prefers-reduced-motion: reduce) {
  .msg-skel-bar,
  .msg-skel-ico,
  .msg-skel-time,
  .msg-skel-more span { animation: none; }
}
@media (max-width: 860px) {
  .msg-workbench { grid-template-columns: 1fr; height: auto; }
  .msg-inbox { border-right: 0; border-bottom: 1px solid var(--st-line); }
  .msg-list { max-height: 360px; }
}