/* ============================================================
   订单群聊  chat.css   主色深蓝#1b3068 辅金#d4a03a
   桌面：左会话列表 + 右聊天窗；≤768px：微信式全屏两级切换
   ============================================================ */
.chat-page{padding:18px 0 30px}
.chat-wrap{display:grid;grid-template-columns:300px 1fr;gap:16px;height:calc(100vh - 170px);height:calc(100dvh - 170px);min-height:520px}
.card{background:#fff;border-radius:14px;box-shadow:var(--shadow)}

/* ---------- 会话列表 ---------- */
.chat-list{display:flex;flex-direction:column;overflow:hidden}
.cl-title{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border);font-size:16px;font-weight:700;color:var(--primary)}
.cl-more{font-size:12px;font-weight:400;color:var(--gold-dark)}
.cl-items{flex:1;overflow-y:auto}
.cl-loading,.cl-empty{padding:40px 18px;text-align:center;color:var(--text-3);font-size:13px;line-height:2}
.cl-item{display:flex;gap:11px;padding:13px 16px;border-bottom:1px solid #f2f4f9;cursor:pointer;transition:background .15s;position:relative}
.cl-item:active,.cl-item:hover{background:#f6f8fd}
.cl-item.on{background:#eef3fc}
.cl-ava{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0;overflow:hidden;font-size:17px}
.cl-ava img{width:100%;height:100%;object-fit:cover}
.cl-body{flex:1;min-width:0}
.cl-line1{display:flex;align-items:center;gap:6px}
.cl-name{font-weight:600;font-size:14px;color:var(--text);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cl-time{font-size:11px;color:var(--text-3);flex-shrink:0}
.cl-line2{display:flex;align-items:center;gap:6px;margin-top:3px}
.cl-last{font-size:12.5px;color:var(--text-2);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cl-badge{background:var(--red);color:#fff;font-size:10px;min-width:17px;height:17px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;padding:0 5px;flex-shrink:0}
.cl-status{font-size:11px;color:var(--primary);flex-shrink:0}

/* ---------- 聊天窗 ---------- */
.chat-room{display:flex;flex-direction:column;overflow:hidden;position:relative}
.cr-empty{margin:auto;text-align:center;color:var(--text-3);line-height:2.2}
.cre-ico{font-size:52px}
.cr-empty small{font-size:12px}
.cr-box{flex:1;display:flex;flex-direction:column;min-height:0;min-width:0;height:100%}
.cr-head{display:flex;align-items:center;gap:10px;padding:13px 18px;border-bottom:1px solid var(--border);background:#fff}
.cr-back{display:none;width:30px;height:30px;border-radius:50%;background:#f0f3f9;color:var(--primary);font-size:22px;line-height:1;align-items:center;justify-content:center;flex-shrink:0}
.cr-head-main{min-width:0}
.cr-title{font-weight:700;font-size:15px;color:var(--primary)}
.cr-sub{font-size:12px;color:var(--text-2);margin-top:1px}
.cr-msgs{flex:1;overflow-y:auto;padding:18px;background:#f5f7fb;min-width:0}

/* 时间分隔 */
.m-time{text-align:center;margin:12px auto;color:#fff;background:rgba(20,36,80,.16);font-size:11px;padding:3px 12px;border-radius:11px;width:fit-content}
/* 系统消息 */
.m-sys{text-align:center;margin:8px auto;color:#fff;background:rgba(20,36,80,.16);font-size:12px;padding:5px 14px;border-radius:12px;max-width:86%;line-height:1.6}
/* 消息行 */
.m-row{display:flex;gap:9px;margin-bottom:15px;max-width:78%;width:fit-content}
.m-row.me{flex-direction:row-reverse;margin-left:auto}
.m-col{min-width:0}
.m-ava{width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;overflow:hidden;font-weight:600}
.m-ava img{width:100%;height:100%;object-fit:cover}
.m-row.me .m-ava{background:var(--gold)}
.m-col{min-width:0}
.m-row.me .m-col{display:flex;flex-direction:column;align-items:flex-end}
.m-meta{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--text-3);margin-bottom:4px}
.m-meta b{font-size:12px;color:var(--text-2);font-weight:600}
.m-role{font-size:10px;color:#fff;padding:1px 6px;border-radius:4px;line-height:1.5}
.m-role.buyer{background:#3d7fd6}.m-role.seller{background:var(--green)}.m-role.kefu{background:var(--gold)}
.m-bubble{background:#fff;border-radius:4px 12px 12px 12px;padding:9px 13px;font-size:14px;line-height:1.65;word-break:break-word;box-shadow:0 1px 3px rgba(20,40,90,.06);display:inline-block;text-align:left;white-space:pre-wrap}
.m-row.me .m-bubble{background:var(--primary);color:#fff;border-radius:12px 4px 12px 12px}
.m-bubble.m-img{padding:4px;background:transparent;box-shadow:none}
.m-bubble img{max-width:220px;max-height:280px;border-radius:10px;cursor:pointer;display:block}
.m-row.me .m-bubble.m-img{background:transparent}

/* 撤回消息与撤回按钮（10分钟内本人消息可撤回） */
.m-recall{color:#aab2c0;font-style:italic;font-size:13px;padding:2px 4px}
.m-ops{display:none;margin-top:3px;justify-content:flex-end}
.m-row.me:hover .m-ops{display:flex}
.m-recall-btn{border:none;background:transparent;color:#9aa4b8;font-size:12px;cursor:pointer;padding:2px 4px;font-family:inherit}
.m-recall-btn:hover{color:var(--primary);text-decoration:underline}
@media(hover:none){.m-ops{display:flex!important}}

/* 输入栏 */
.cr-input{display:flex;align-items:flex-end;gap:10px;padding:12px 16px;border-top:1px solid var(--border);background:#fff}
.ci-img{flex-shrink:0;height:38px;padding:0 14px;border-radius:9px;background:#f0f3f9;color:var(--primary);font-size:13px;font-weight:600}
.cr-input textarea{flex:1;border:1px solid var(--border);border-radius:10px;padding:9px 13px;resize:none;max-height:110px;line-height:1.5;font-size:14px;background:#fafbfe}
.cr-input textarea:focus{border-color:var(--primary);background:#fff}
.ci-send{flex-shrink:0;height:38px;padding:0 20px;border-radius:9px;background:var(--orange-grad);color:#fff;font-weight:700;font-size:14px}
.ci-send:disabled{opacity:.5}

/* 表情/图片工具按钮 + 表情面板（订单群聊与在线客服共用） */
.cr-input,.kf-input{position:relative}
.ci-emoji{flex-shrink:0;width:38px;height:38px;border-radius:9px;background:#f0f3f9;color:var(--primary);font-size:19px;line-height:1;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer}
.ci-emoji:active,.ci-img:active{background:#e4eaf5}
.kf-input .kf-tool{flex-shrink:0;width:40px;height:40px;border-radius:10px;background:#f0f3f9;color:var(--primary);font-size:13px;font-weight:600;border:none;font-family:inherit;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0}
.kf-input .kf-tool.emoji{font-size:19px;font-weight:400}
.emoji-panel{position:absolute;left:12px;bottom:calc(100% + 8px);z-index:50;width:min(336px,calc(100vw - 24px));max-height:228px;overflow-y:auto;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 8px 28px rgba(20,40,90,.16);padding:8px;display:grid;grid-template-columns:repeat(8,1fr);gap:2px}
.emoji-item{width:100%;aspect-ratio:1;border:none;background:transparent;font-size:19px;line-height:1;border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0}
.emoji-item:hover{background:#f0f3f9}
@media(max-width:768px){.emoji-panel{left:8px;bottom:calc(100% + 6px);grid-template-columns:repeat(8,1fr)}}

/* ============================================================
   手机端（参考 mddjclub H5：全屏两级、底部固定、安全区）
   ============================================================ */
@media(max-width:768px){
  .chat-page{padding:0}
  .chat-wrap{display:block;grid-template-columns:none;gap:0;height:calc(100vh - 56px);height:calc(100dvh - 56px);min-height:0;position:relative}
  .chat-list,.chat-room{border-radius:0;box-shadow:none;height:100%}
  .chat-room{display:none}
  .chat-wrap.show-room .chat-list{display:none}
  .chat-wrap.show-room .chat-room{display:flex}
  .cr-back{display:inline-flex}
  .cl-title{padding:14px 16px;font-size:15px;position:-webkit-sticky;position:sticky;top:0;background:#fff;z-index:2}
  .cr-head{padding:11px 14px;position:-webkit-sticky;position:sticky;top:0;z-index:2}
  .cr-msgs{padding:14px 12px}
  .m-row{max-width:88%}
  .m-ava{width:36px;height:36px;font-size:14px}
  .m-bubble img{max-width:160px;max-height:220px}
  .cr-input{padding:10px 12px;padding-bottom:calc(10px + constant(safe-area-inset-bottom));padding-bottom:calc(10px + env(safe-area-inset-bottom));position:-webkit-sticky;position:sticky;bottom:0}
  .ci-send{padding:0 16px}
}