/* ===== 管理员后台样式 ===== */

.admin-body { background: var(--bg-grad); min-height: 100vh; }

/* ----- 登录界面 ----- */
.login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px 28px;
  box-shadow: var(--shadow-lg);
}
.login-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  justify-content: center;
}
.login-brand h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}
.login-card .field { margin-bottom: 14px; }
.login-card .field input {
  width: 100%;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
}
.login-card .field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.login-btn {
  width: 100%;
  margin-top: 8px;
  height: 40px;
}
.login-error {
  background: var(--danger-soft);
  color: var(--danger);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  margin-bottom: 8px;
}
.login-back {
  text-align: center;
  margin-top: 18px;
}
.login-back a {
  color: var(--text-muted);
  font-size: 12px;
  text-decoration: none;
}
.login-back a:hover { color: var(--text); }

/* ----- 顶栏 ----- */
.admin-header {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.admin-header .brand h1 {
  font-size: 17px;
  margin: 0;
  font-weight: 600;
}
.admin-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.admin-user {
  font-size: 12px;
  color: var(--text-muted);
}
.admin-user b { color: var(--text); }

/* ----- 子标签 ----- */
.admin-tabs {
  height: 44px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 4px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 60px;
  z-index: 90;
}
.admin-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  height: 30px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all .15s;
}
.admin-tab:hover { background: var(--surface); color: var(--text); }
.admin-tab.active {
  background: var(--primary);
  color: white;
}
.admin-tab.active .tab-badge {
  background: rgba(255,255,255,0.2);
  color: white;
}
.tab-badge {
  background: var(--danger);
  color: white;
  border-radius: 999px;
  padding: 0 6px;
  font-size: 11px;
  min-width: 18px;
  text-align: center;
  font-weight: 600;
}

/* ----- 主区 ----- */
.admin-main {
  padding: 20px 24px 60px;
  max-width: 1280px;
  margin: 0 auto;
}

.admin-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 14px;
  margin-bottom: 14px;
}
.check-all-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}
.selection-info {
  font-size: 12px;
  color: var(--text-muted);
}

/* ----- 申请列表 ----- */
.submission-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.submission-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-faint);
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: 12px;
}

.sub-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: start;
  box-shadow: var(--shadow-sm);
}
.sub-card.is-pending { border-left: 4px solid var(--accent); }
.sub-card.is-approved { border-left: 4px solid var(--primary); opacity: 0.85; }
.sub-card.is-rejected { border-left: 4px solid var(--text-faint); opacity: 0.7; }

.sub-checkbox {
  margin-top: 4px;
}
.sub-body { min-width: 0; }
.sub-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.sub-type-pill {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
}
.sub-type-pill.create { background: var(--primary-soft); color: var(--primary); }
.sub-type-pill.update { background: var(--accent-soft); color: var(--accent); }
.sub-type-pill.delete { background: var(--danger-soft); color: var(--danger); }
.sub-status-pill {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
}
.sub-status-pill.pending { background: var(--accent-soft); color: var(--accent); }
.sub-status-pill.approved { background: var(--primary-soft); color: var(--primary); }
.sub-status-pill.rejected { background: var(--other-soft); color: var(--text-muted); }

.sub-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.sub-meta {
  font-size: 11px;
  color: var(--text-faint);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}
.sub-summary {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.sub-actions {
  display: flex;
  gap: 6px;
  align-items: flex-start;
}

/* ----- 对比卡片 ----- */
.diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.diff-col {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
}
.diff-col.delete-col { background: var(--danger-soft); }
.diff-col-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.diff-col-title.new { color: var(--primary); }
.diff-rows .diff-row {
  display: flex;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.diff-rows .diff-row:last-child { border-bottom: none; }
.diff-rows .lbl {
  color: var(--text-muted);
  min-width: 84px;
  font-size: 12px;
  font-weight: 500;
}
.diff-rows .val {
  flex: 1;
  font-size: 13px;
  word-break: break-word;
}
.diff-rows .val.empty { color: var(--text-faint); font-style: italic; }
.diff-rows .val.changed {
  background: var(--accent-soft);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 500;
}
.diff-photo {
  width: 80px; height: 80px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--surface);
  border: 2px solid var(--border);
}
.diff-photo.changed { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.diff-relations {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.diff-relations .chip { background: var(--surface); }
.diff-relations .chip.added { background: var(--primary-soft); color: var(--primary); border-color: var(--primary); }
.diff-relations .chip.removed {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: var(--danger);
  text-decoration: line-through;
}

/* ----- 卡片：管理员账户 ----- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
}
.card-head {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.add-admin-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 14px;
  align-items: end;
}
.add-admin-form .field { margin: 0; }
.add-admin-form .field input {
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  width: 100%;
}
.admin-list .admin-item {
  display: flex;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.admin-list .admin-item:last-child { border-bottom: none; }
.admin-list .admin-name {
  font-weight: 500;
  flex: 1;
}
.admin-list .admin-role {
  font-size: 11px;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 10px;
}
.admin-list .admin-role.super {
  background: var(--primary-soft);
  color: var(--primary);
}
.admin-list .admin-meta {
  font-size: 11px;
  color: var(--text-faint);
  margin-left: 14px;
}
.admin-list .admin-actions {
  margin-left: 14px;
}

/* ----- 响应式 ----- */
@media (max-width: 960px) {
  .admin-header { padding: 0 14px; }
  .admin-header .brand h1 { font-size: 15px; }
}

@media (max-width: 720px) {
  /* 头部紧凑 */
  .admin-header {
    padding: 0 10px;
    gap: 6px;
  }
  .admin-header .brand { min-width: 0; flex: 1; }
  .admin-header .brand h1 {
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .admin-header-actions {
    gap: 4px;
    flex-shrink: 0;
  }
  .admin-header-actions .admin-user { display: none; }

  /* "返回主页"和"退出"按钮收成图标按钮 */
  .admin-header-actions .btn {
    padding: 0;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    justify-content: center;
    gap: 0;
  }
  .admin-header-actions .btn .btn-text { display: none; }
  .admin-header-actions .btn svg { width: 16px; height: 16px; }
  .admin-header-actions .icon-btn-round { width: 34px; height: 34px; }

  /* 子标签可横向滚动 */
  .admin-tabs {
    padding: 0 10px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }
  .admin-tab { flex-shrink: 0; }

  .admin-main { padding: 14px 12px 40px; }

  /* 工具栏换行 */
  .admin-toolbar {
    flex-wrap: wrap;
    padding: 10px 12px;
  }
  .admin-toolbar .footer-spacer { flex: 1 0 100%; height: 0; }

  /* 申请卡片改为单列布局 */
  .sub-card {
    grid-template-columns: auto 1fr;
    gap: 10px;
  }
  .sub-actions {
    grid-column: 1 / -1;
    flex-wrap: wrap;
  }
  .sub-actions .btn { flex: 1 1 auto; min-width: 80px; }

  /* 对比卡片单列 */
  .diff-grid { grid-template-columns: 1fr; }

  /* 添加管理员表单单列 */
  .add-admin-form { grid-template-columns: 1fr; }

  .card { padding: 14px 14px; }
}

@media (max-width: 380px) {
  .admin-header { padding: 0 8px; }
  .admin-header .brand h1 { font-size: 13px; }
  .admin-header-actions .btn,
  .admin-header-actions .icon-btn-round { width: 32px; height: 32px; }
}