/* ============================================================
 * 右侧悬浮客服栏：对齐会员端 ContactSideRail
 * ============================================================ */

.side-rail {
  position: fixed;
  top: 50%;
  right: 16px;
  z-index: 45;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 56px;
  pointer-events: none;
}

.rail-avatar {
  position: relative;
  z-index: 1;
  width: 48px;
  height: 48px;
  margin-bottom: -10px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--surface);
  box-shadow: 0 4px 14px rgba(15, 28, 46, 0.14);
  background: var(--surface-muted);
  pointer-events: none;
}

.rail-avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rail-panel {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding-top: 14px;
  background: var(--surface);
  border-radius: 28px;
  box-shadow: 0 8px 24px rgba(15, 28, 46, 0.12);
  overflow: hidden;
  pointer-events: auto;
}

[data-theme='dark'] .rail-panel {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.rail-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  min-height: 64px;
  padding: 10px 4px;
  border: 0;
  border-top: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease;
}

.rail-item:first-child {
  border-top: 0;
}

.rail-item i {
  font-size: 18px;
  color: var(--ink);
  line-height: 1;
}

.rail-ico {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.rail-ico.has-dot::after {
  content: '';
  position: absolute;
  top: -2px;
  right: -4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #e34d59;
  box-shadow: 0 0 0 1.5px var(--surface);
}

.rail-item:hover {
  background: var(--surface-muted);
}

.rail-item:focus-visible {
  outline: 2px solid var(--accent, #0052d9);
  outline-offset: -2px;
}

/* ---------- 未读回复面板 ---------- */

.unread-panel {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  width: min(300px, calc(100vw - 88px));
  max-height: min(420px, 70vh);
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(15, 28, 46, 0.16);
  pointer-events: auto;
  overflow: hidden;
}

.unread-panel[hidden] {
  display: none !important;
}

.unread-panel__head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

.unread-panel__head strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.unread-panel__count {
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: #e34d59;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  line-height: 18px;
  text-align: center;
}

.unread-panel__count[hidden] {
  display: none !important;
}

.unread-panel__body {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
}

.unread-panel__empty {
  margin: 0;
  padding: 20px 14px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.unread-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease;
}

.unread-item:hover {
  background: var(--surface-muted);
}

.unread-item__dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 5px;
  border-radius: 50%;
  background: #e34d59;
}

.unread-item__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.unread-item__body strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.unread-item__body em {
  font-style: normal;
  font-size: 12px;
  color: var(--muted);
}

.unread-item__time {
  font-size: 11px;
  color: var(--muted);
  opacity: 0.85;
}

.unread-panel__foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
}

.unread-panel__foot .link-btn {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--brand, #0052d9);
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
}

.unread-panel__foot .link-btn:hover {
  text-decoration: underline;
}

/* ---------- 售前咨询弹窗 ---------- */

.consult-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(15, 28, 46, 0.45);
  pointer-events: auto;
}

.consult-overlay[hidden] {
  display: none !important;
}

.consult-dialog {
  width: min(480px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.consult-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 18px 0;
}

.consult-head h2 {
  margin: 0 0 6px;
  font-size: 18px;
  color: var(--ink);
}

.consult-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.consult-dialog .icon-close {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.consult-dialog .icon-close:hover {
  background: var(--surface-muted);
}

.consult-dialog .icon-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.consult-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 18px 18px;
}

.consult-body .field textarea,
.consult-body .field select,
.consult-body .field input {
  width: 100%;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  box-sizing: border-box;
  font-size: 13px;
  line-height: 1.4;
}

.consult-body .field select.topic-select {
  font-size: 13px;
}

.consult-body .field textarea {
  min-height: 120px;
  resize: vertical;
}

.consult-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

.ok-tip {
  margin: 0;
  font-size: 13px;
  color: var(--ok);
  display: flex;
  align-items: center;
  gap: 6px;
}

.ok-tip[hidden] {
  display: none !important;
}

@media (max-width: 768px) {
  .side-rail {
    top: auto;
    right: 12px;
    bottom: 16px;
    transform: none;
    width: auto;
    flex-direction: row;
    align-items: flex-end;
  }

  .rail-avatar {
    display: none;
  }

  .rail-panel {
    flex-direction: row;
    padding-top: 0;
    border-radius: 999px;
  }

  .rail-item {
    width: 52px;
    min-height: 52px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .rail-item:first-child {
    border-left: 0;
  }

  .rail-item > span:not(.rail-ico) {
    display: none;
  }

  .unread-panel {
    right: 0;
    left: auto;
    top: auto;
    bottom: calc(100% + 10px);
    transform: none;
    width: min(300px, calc(100vw - 24px));
  }
}