/* ============================================================
   智能客服悬浮窗样式（独立命名空间 wbk-，不与系统样式冲突）
   主色跟随系统 --primary #6366f1
   ============================================================ */
#wbk-root {
    --wbk-primary: #6366f1;
    --wbk-primary-hover: #4f46e5;
    --wbk-bg: #ffffff;
    --wbk-text: #1e293b;
    --wbk-sub: #64748b;
    --wbk-border: #e2e8f0;
    --wbk-user-bg: linear-gradient(135deg, #6366f1, #8b5cf6);
    --wbk-ok: #10b981;
    --wbk-warn: #f59e0b;
    --wbk-err: #ef4444;
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
}

/* ---- 悬浮气泡 ---- */
#wbk-root .wbk-fab {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 99990;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform .2s ease, box-shadow .2s ease;
}
#wbk-root .wbk-fab:hover { transform: scale(1.08); box-shadow: 0 8px 26px rgba(99, 102, 241, 0.55); }
#wbk-root .wbk-fab .wbk-icon { width: 30px; height: 30px; object-fit: cover; border-radius: 50%; }
#wbk-root .wbk-fab .wbk-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    border-radius: 9px;
    background: #ef4444;
    color: #fff;
    font-size: 11px;
    line-height: 18px;
    text-align: center;
    display: none;
    box-sizing: border-box;
}

/* ---- 聊天面板 ---- */
#wbk-root .wbk-panel {
    position: fixed;
    right: 24px;
    bottom: 92px;
    z-index: 99991;
    width: 384px;
    max-width: calc(100vw - 32px);
    height: 600px;
    max-height: calc(100vh - 116px);
    background: var(--wbk-bg);
    border-radius: 16px;
    box-shadow: 0 12px 44px rgba(15, 23, 42, 0.22);
    border: 1px solid var(--wbk-border);
    display: none;
    flex-direction: column;
    overflow: hidden;
}
#wbk-root .wbk-panel.wbk-open { display: flex; }

/* 头部 */
#wbk-root .wbk-head {
    flex: 0 0 auto;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
}
#wbk-root .wbk-head .wbk-head-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.22);
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}
#wbk-root .wbk-head .wbk-head-avatar .wbk-icon { width: 28px; height: 28px; object-fit: cover; border-radius: 50%; }
#wbk-root .wbk-head .wbk-head-txt { flex: 1; min-width: 0; }
#wbk-root .wbk-head .wbk-head-txt b { font-size: 14px; display: block; }
#wbk-root .wbk-head .wbk-head-txt span { font-size: 11px; opacity: .85; display: block; margin-top: 2px; }
#wbk-root .wbk-head .wbk-head-txt .wbk-dot {
    display: inline-block;
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--wbk-ok);
    margin-right: 4px;
    vertical-align: 1px;
}
#wbk-root .wbk-head .wbk-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    opacity: .8;
    padding: 2px 4px;
}
#wbk-root .wbk-head .wbk-close:hover { opacity: 1; }

/* 快捷问题 */
#wbk-root .wbk-quick {
    flex: 0 0 auto;
    padding: 10px 12px 6px;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    border-bottom: 1px solid #f1f5f9;
}
#wbk-root .wbk-quick::-webkit-scrollbar { display: none; }
#wbk-root .wbk-quick button {
    flex: 0 0 auto;
    border: 1px solid var(--wbk-border);
    background: #f8fafc;
    color: #475569;
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 999px;
    cursor: pointer;
    white-space: nowrap;
    transition: all .15s ease;
}
#wbk-root .wbk-quick button:hover { border-color: var(--wbk-primary); color: var(--wbk-primary); background: #eef2ff; }
#wbk-root .wbk-quick button.wbk-diag { border-color: var(--wbk-primary); color: var(--wbk-primary); background: #eef2ff; }
#wbk-root .wbk-quick button.wbk-human { border-color: #f59e0b; color: #b45309; background: #fffbeb; }
#wbk-root .wbk-quick button.wbk-human:hover { background: #fef3c7; }

/* 消息区 */
#wbk-root .wbk-msgs {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: 14px 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #fbfbfe;
}
#wbk-root .wbk-msg {
    max-width: 82%;
    font-size: 13px;
    line-height: 1.65;
    word-break: break-word;
}
#wbk-root .wbk-msg.wbk-user {
    align-self: flex-end;
    background: var(--wbk-user-bg);
    color: #fff;
    padding: 9px 13px;
    border-radius: 14px 14px 4px 14px;
}
#wbk-root .wbk-msg.wbk-bot {
    align-self: flex-start;
    background: #fff;
    border: 1px solid var(--wbk-border);
    color: var(--wbk-text);
    padding: 9px 13px;
    border-radius: 14px 14px 14px 4px;
    box-shadow: 0 1px 3px rgba(15, 23, 42, .05);
}
#wbk-root .wbk-msg.wbk-bot a { color: var(--wbk-primary); word-break: break-all; }
#wbk-root .wbk-msg.wbk-bot strong { color: #312e81; }
#wbk-root .wbk-msg .wbk-typing { display: inline-flex; gap: 4px; padding: 4px 2px; }
#wbk-root .wbk-msg .wbk-typing i {
    width: 6px; height: 6px; border-radius: 50%;
    background: #94a3b8;
    animation: wbk-blink 1.2s infinite;
}
#wbk-root .wbk-msg .wbk-typing i:nth-child(2) { animation-delay: .2s; }
#wbk-root .wbk-msg .wbk-typing i:nth-child(3) { animation-delay: .4s; }
@keyframes wbk-blink { 0%, 80%, 100% { opacity: .3; } 40% { opacity: 1; } }

/* 体检卡片 */
#wbk-root .wbk-diag-card {
    background: #fff;
    border: 1px solid var(--wbk-border);
    border-radius: 12px;
    padding: 12px;
    font-size: 12px;
    color: var(--wbk-text);
    margin-top: 8px;
}
#wbk-root .wbk-diag-card .wbk-diag-score {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}
#wbk-root .wbk-diag-card .wbk-score-num {
    width: 52px; height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    flex: 0 0 auto;
}
#wbk-root .wbk-diag-card .wbk-score-num.wbk-s-ok { background: var(--wbk-ok); }
#wbk-root .wbk-diag-card .wbk-score-num.wbk-s-warn { background: var(--wbk-warn); }
#wbk-root .wbk-diag-card .wbk-score-num.wbk-s-err { background: var(--wbk-err); }
#wbk-root .wbk-diag-card .wbk-score-txt b { font-size: 14px; display: block; }
#wbk-root .wbk-diag-card .wbk-score-txt span { color: var(--wbk-sub); font-size: 11px; }
#wbk-root .wbk-diag-card .wbk-diag-row {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    padding: 4px 0;
    border-top: 1px dashed #f1f5f9;
}
#wbk-root .wbk-diag-card .wbk-diag-row:first-of-type { border-top: none; }
#wbk-root .wbk-diag-card .wbk-st { flex: 0 0 14px; font-size: 12px; line-height: 1.6; }
#wbk-root .wbk-diag-card .wbk-row-name { flex: 0 0 88px; color: #475569; font-weight: 600; }
#wbk-root .wbk-diag-card .wbk-row-detail { color: var(--wbk-sub); flex: 1; }
#wbk-root .wbk-diag-card .wbk-prob {
    background: #fef2f2;
    color: #b91c1c;
    border-radius: 8px;
    padding: 7px 9px;
    margin-top: 8px;
    font-size: 12px;
    line-height: 1.5;
}

/* 输入区 */
#wbk-root .wbk-inputbar {
    flex: 0 0 auto;
    display: flex;
    gap: 8px;
    padding: 10px 12px;
    border-top: 1px solid var(--wbk-border);
    background: #fff;
    align-items: flex-end;
}
#wbk-root .wbk-inputbar textarea {
    flex: 1;
    border: 1px solid var(--wbk-border);
    border-radius: 10px;
    padding: 8px 12px;
    font-size: 13px;
    font-family: inherit;
    resize: none;
    outline: none;
    min-height: 36px;
    max-height: 88px;
    line-height: 1.5;
    box-sizing: border-box;
    color: var(--wbk-text);
    background: #f8fafc;
}
#wbk-root .wbk-inputbar textarea:focus { border-color: var(--wbk-primary); background: #fff; }
#wbk-root .wbk-inputbar .wbk-send {
    flex: 0 0 auto;
    height: 36px;
    padding: 0 16px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    font-size: 13px;
    cursor: pointer;
    transition: opacity .15s;
}
#wbk-root .wbk-inputbar .wbk-send:disabled { opacity: .5; cursor: not-allowed; }

/* 页脚小字 */
#wbk-root .wbk-foot {
    flex: 0 0 auto;
    text-align: center;
    font-size: 10px;
    line-height: 1.5;
    color: #94a3b8;
    padding: 6px 12px 8px;
    background: #fff;
    min-height: 28px;
    box-sizing: border-box;
}

/* 移动端 */
@media (max-width: 480px) {
    #wbk-root .wbk-panel { right: 12px; bottom: 84px; left: 12px; width: auto; }
    #wbk-root .wbk-fab { right: 14px; bottom: 18px; }
}