@import '../../../styles/variables.scss';
@import '../../../styles/mixins.scss';

.chat-page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: $bg;
}

/* ─── 导航栏 ─── */
.chat-header {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: $card;
  border-bottom: 1px solid $bd-l;
  flex-shrink: 0;
  position: relative;
}

.chat-header__back {
  position: absolute;
  left: 16px;
  z-index: 1;

  &:active {
    opacity: 0.7;
  }
}

.chat-header__back-text {
  font-size: var(--tk-font-body-sm);
  color: $pri;
}

.chat-header__center {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.chat-header__title {
  font-size: var(--tk-font-body-sm);
  font-weight: 600;
  color: $tx;
}

.chat-header__status {
  font-size: var(--tk-font-micro);
  color: $acc;
  margin-top: 2px;

  &--closed {
    color: $tx3;
  }
}

/* ─── 消息区 ─── */
.chat-messages {
  flex: 1;
  padding: 16px 16px 0;
  overflow-y: auto;
}

.msg-row {
  display: flex;
  margin-bottom: 16px;
  gap: 8px;

  &--self {
    justify-content: flex-end;
  }
}

/* ─── 医生头像 ─── */
.msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: $r;
  background: $pri-l;
  @include flex-center;
  flex-shrink: 0;
}

.msg-avatar-char {
  @include serif-number;
  font-size: var(--tk-font-cap);
  font-weight: 700;
  color: $pri;
}

/* ─── 消息气泡 ─── */
.msg-bubble {
  max-width: 70%;
  padding: 12px 16px;
  box-shadow: $shadow-sm;

  &--other {
    background: $card;
    border-radius: $r $r $r $r-xs;
  }

  &--self {
    background: $pri;
    border-radius: $r $r $r-xs $r;
  }
}

.msg-text {
  font-size: var(--tk-font-cap);
  color: $tx;
  display: block;
  line-height: 1.6;
  word-break: break-all;

  .msg-bubble--self & {
    color: $white;
  }
}

.msg-date-divider {
  display: flex;
  justify-content: center;
  padding: 12px 0;

  &__text {
    font-size: var(--tk-font-micro);
    color: var(--tk-text-secondary);
    background: $surface-alt;
    padding: 2px 12px;
    border-radius: $r-pill;
  }
}

.msg-truncated-hint {
  display: flex;
  justify-content: center;
  padding: 12px 0;

  &__text {
    font-size: var(--tk-font-micro);
    color: var(--tk-text-secondary);
    background: $surface-alt;
    padding: 2px 12px;
    border-radius: $r-pill;
  }
}

.msg-image {
  width: 200px;
  border-radius: $r-sm;
  margin-top: 4px;
}

.msg-time {
  font-size: var(--tk-font-micro);
  color: var(--tk-text-secondary);
  display: block;
  margin-top: 4px;

  .msg-bubble--self & {
    color: rgba(255, 255, 255, 0.7);
    text-align: right;
  }
}

.chat-empty {
  text-align: center;
  padding: 80px 24px;

  &__text {
    font-size: var(--tk-font-cap);
    color: var(--tk-text-secondary);
  }
}

/* ─── 输入栏 ─── */
.chat-input-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 38px;
  background: $card;
  border-top: 1px solid $bd-l;
  flex-shrink: 0;
}

.chat-input {
  flex: 1;
  height: 48px;
  background: $bg;
  border: 1.5px solid $bd;
  border-radius: $r-lg;
  padding: 0 14px;
  font-size: var(--tk-font-cap);
  color: $tx;
}

.chat-send-btn {
  width: 48px;
  height: 48px;
  border-radius: $r-lg;
  background: $pri;
  @include flex-center;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(196, 98, 58, 0.3);

  &--disabled {
    opacity: 0.5;
  }
}

.chat-send-btn__icon {
  font-size: var(--tk-font-cap);
  color: $white;
  font-weight: 600;
}

.chat-closed-bar {
  padding: 16px;
  text-align: center;
  background: $card;
  border-top: 1px solid $bd-l;

  &__text {
    font-size: var(--tk-font-cap);
    color: var(--tk-text-secondary);
  }
}