/* 第二階段：一致的交易社群介面；沿用 Bootstrap 與品牌橘色。 */
:root{--community-ink:#23352e;--community-muted:#708078;--community-line:#e3eae5;--community-soft:#edf4ef;--community-green:#276b52}
body{background:#f6f8f6}
#mainNav{box-shadow:0 2px 8px #172b2312}
#mainNav .nav-link{white-space:nowrap}
/* 搜尋留在頁面內容區，導覽列不再放第二個輸入框。 */
#mainNav>.container{column-gap:1rem}
#mainNav .navbar-brand{margin-right:0;min-width:0;white-space:nowrap}
#mainNav .brand-text{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#mainNav .nav-mobile-controls{flex-shrink:0}
#mainNav .nav-account{min-height:40px}
#mainNav .dropdown-menu{max-width:calc(100vw - 24px)}
#mainNav .dropdown-header .fw-bold,#mainNav .dropdown-header .text-muted{white-space:normal;overflow-wrap:anywhere}
@media(min-width:992px){
 #navMain{min-width:0;flex:1 1 auto;justify-content:flex-end}
 #mainNav .navbar-brand{flex:0 1 auto;max-width:35%}
 #navMain>.navbar-nav{flex:0 0 auto;gap:.35rem!important}
 #navMain>.navbar-nav>.nav-item{flex-shrink:0}
 #navMain .nav-link:not(.nav-account){padding:.6rem .75rem}
}
@media(max-width:991.98px){
 #mainNav>.container{column-gap:.5rem}
 #mainNav .navbar-brand{max-width:calc(100% - 88px)}
 #mainNav .brand-text{font-size:clamp(1rem,4vw,1.18rem);letter-spacing:0}
 #navMain{flex-basis:100%;padding-top:.6rem}
 #navMain>.navbar-nav{align-items:stretch;gap:.35rem!important;padding:.4rem 0}
 #navMain .nav-link{padding:.65rem .75rem}
 #navMain .nav-account{padding:.4rem .75rem!important}
 #navMain .nav-item>.btn{margin:.15rem 0!important;padding:.55rem .85rem}
}
.form-card,.filter-card,.item-card,.items-page-header{border-color:var(--community-line);box-shadow:0 3px 14px #22382d05}
.item-card:hover{border-color:#d1dfd5;box-shadow:0 5px 18px #22382d0e}
.item-card .card-title a{color:var(--community-ink)}
.market-intro{background:linear-gradient(110deg,#fff 35%,#f0f6f0);border-color:var(--community-line)}
.market-intro h1{color:var(--community-ink);letter-spacing:-.035em}
.market-search{border-color:#d6e2d9;box-shadow:0 4px 20px #273f3208}
.market-shortcuts a{background:#eaf1eb;color:#365644}
.section-title{font-size:1.2rem}
.items-header-icon{background:#eaf3ed;color:var(--community-green);box-shadow:none}
.browse-chip{background:#eef5ef;color:#38604b;border-color:#dce9de}
.items-page-header{box-shadow:none}
.save-search-strip{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.1rem;border:1px solid #e1eade;border-radius:14px;background:#f0f5ec;margin-bottom:1rem}
.save-search-strip strong{display:block;color:#364f36;font-size:.88rem}
.save-search-strip span{display:block;color:#6b7e65;font-size:.78rem;margin-top:.2rem}
.save-search-strip form,.save-search-strip>a{flex-shrink:0}
.community-container{max-width:1120px}
.community-heading{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:1.5rem 0 1.75rem}
.community-heading h1{font-size:clamp(1.6rem,3vw,2rem);font-weight:800;color:var(--community-ink);margin-bottom:.5rem}
.community-heading p:not(.market-eyebrow){margin:0;max-width:620px;line-height:1.8;color:var(--community-muted);font-size:.9rem}
.community-heading>a{flex-shrink:0}
.community-section-bar{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1rem;font-size:.85rem}
.community-panel,.saved-card{background:#fff;border:1px solid var(--community-line);border-radius:18px;padding:1.5rem}
.saved-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.saved-card{min-width:0;display:flex;flex-direction:column;gap:1rem;box-shadow:0 4px 16px #22382d03}
.saved-card h2{font-size:1.1rem;font-weight:750;margin:0;color:var(--community-ink);overflow-wrap:anywhere}
.community-icon,.community-empty-icon{display:inline-flex;justify-content:center;align-items:center;background:#edf5ed;color:var(--community-green);width:42px;height:42px;border-radius:13px}
.status-pill{display:inline-flex;align-items:center;background:#edf6ef;color:#397552;font-size:.72rem;border-radius:30px;padding:.35rem .7rem;align-self:flex-start}
.status-pill.muted{background:#f0f1f0;color:#7b827c}
.saved-criteria{display:flex;flex-wrap:wrap;gap:.4rem;min-height:30px}
.saved-criteria span{padding:.3rem .6rem;background:#f5f7f4;color:#60745e;border-radius:7px;font-size:.78rem;overflow-wrap:anywhere;max-width:100%}
.saved-card p{margin:0}.saved-actions{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;justify-content:space-between;margin-top:auto;padding-top:1rem;border-top:1px solid #eff2ed}
.saved-actions form{display:flex;gap:.35rem}
.community-empty{text-align:center;padding:3rem 1rem;color:var(--community-muted)}
.community-empty h2{font-size:1.15rem;font-weight:750;color:var(--community-ink);margin:1rem 0 .6rem}
.community-empty p{font-size:.87rem;line-height:1.8;max-width:420px;margin:0 auto 1rem}
.community-empty-icon{width:70px;height:70px;border-radius:23px;font-size:1.65rem}
.blocked-row{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--community-line)}
.blocked-row:last-child{border:0}.blocked-row strong{overflow-wrap:anywhere}
.trust-badges{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.8rem}
.trust-badges span{font-size:.75rem;color:#367052;background:#eaf4ed;border:1px solid #dbeadf;padding:.3rem .6rem;border-radius:7px}
.community-profile .user-public-header{background:#fff;color:var(--community-ink);border-bottom:1px solid var(--community-line);padding:2.5rem 0}
.community-profile .user-public-header h2{color:var(--community-ink)!important;overflow-wrap:anywhere}
.community-profile .user-stats-badge{background:#f4f7f3;border:1px solid #e3eae0;min-width:90px}
.community-profile .user-stats-badge .num{color:var(--community-green)}
.community-profile .user-stats-badge .lbl{color:#6b7d6b}
.profile-meta{color:var(--community-muted);font-size:.85rem}
.profile-actions{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap;margin-top:1.2rem}
.profile-note{font-size:.78rem;color:var(--community-muted);margin-top:.65rem}
.community-chat-shell{max-width:1320px;padding-top:12px}
.msg-page-wrap{height:calc(100dvh - 130px);display:flex;overflow:hidden;border:1px solid var(--community-line);border-radius:18px;background:#fff;min-height:0}
.msg-list-pane{width:320px;flex-shrink:0;flex-direction:column;border-right:1px solid var(--community-line);min-height:0}
.msg-chat-pane{min-width:0;flex:1;flex-direction:column;min-height:0}
.chat-list-heading{padding:1.25rem;display:flex;align-items:center;gap:.5rem;border-bottom:1px solid var(--community-line);flex-shrink:0}
.chat-list-heading h1{font-size:1.2rem;font-weight:800;margin:0}.chat-list-heading .market-eyebrow{font-size:.68rem;line-height:1.6}
.chat-conversation-list{overflow-y:auto;min-height:0;flex:1}
.chat-conversation{display:flex;gap:.75rem;align-items:center;padding:1rem;border-bottom:1px solid #f0f3ef;color:var(--community-ink)}
.chat-conversation:hover,.chat-conversation.active{background:#f1f6ef;color:var(--community-ink)}
.chat-conversation.active{box-shadow:inset 3px 0 var(--primary)}
.chat-conversation img{border-radius:50%;object-fit:cover;flex-shrink:0}
.chat-conversation-body{display:flex;flex-direction:column;gap:.2rem;min-width:0;flex:1}
.chat-conversation-body strong,.chat-conversation-body>span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:.86rem}
.chat-conversation-body>span{color:#7e8b80;font-size:.78rem}.chat-conversation-body small{font-size:.67rem;color:#8b958b}
.chat-welcome{margin:auto}.chat-heading{display:flex;align-items:center;gap:.75rem;padding:.9rem 1.2rem;border-bottom:1px solid var(--community-line);flex-shrink:0}
.chat-heading-name{flex:1;min-width:0;display:flex;flex-direction:column}.chat-heading-name strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-heading-name small{color:var(--community-muted);font-size:.74rem}
.chat-item-strip{display:flex;align-items:center;gap:.7rem;padding:.7rem 1.2rem;background:#fafbf8;color:var(--community-ink);border-bottom:1px solid var(--community-line);flex-shrink:0}
.chat-item-strip img{border-radius:9px;object-fit:cover;flex-shrink:0}.chat-item-strip>span{display:flex;min-width:0;flex:1;flex-direction:column}
.chat-item-strip strong{font-size:.8rem;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.chat-item-strip small{font-size:.72rem;color:#6a7c66}
.chat-safety{padding:.5rem 1.2rem;background:#fff9eb;color:#8a703d;font-size:.72rem;flex-shrink:0}
.chat-trade-strip{display:flex;gap:.5rem;align-items:center;padding:.5rem 1.2rem;background:#eef5e8;color:#5b7750;font-size:.74rem;flex-shrink:0;border-bottom:1px solid #e2ebd9}
.chat-trade-strip[hidden]{display:none}.chat-trade-label{white-space:nowrap;font-weight:700}.chat-trade-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.chat-trade-strip small{white-space:nowrap}
.chat-timeline{flex:1;min-height:0;overflow-y:auto;padding:1.2rem;background:#f8faf7;display:flex;flex-direction:column;gap:.8rem}
.chat-message{display:flex;align-items:flex-start;flex-direction:column;gap:.25rem;flex-shrink:0}
.chat-message.mine{align-items:flex-end}.chat-bubble{max-width:82%;background:#fff;border:1px solid #e6ece2;border-radius:15px 15px 15px 4px;padding:.7rem .9rem;color:#354735;font-size:.88rem;line-height:1.75;overflow-wrap:anywhere;white-space:pre-wrap}
.chat-message.mine .chat-bubble{background:#e7f1e3;border-color:#deead8;border-radius:15px 15px 4px 15px}
.chat-message>small{font-size:.65rem;color:#8a9684;padding:0 .2rem}.chat-read{color:#5a8852}
.chat-link{color:inherit;text-decoration:underline;overflow-wrap:anywhere}.chat-link-warning{padding:.4rem .55rem;background:#fff4d6;color:#85612b;font-size:.7rem;border-radius:7px;margin-top:.4rem}
.chat-photo{display:block;max-width:100%;max-height:250px;object-fit:contain;border-radius:9px;margin-bottom:.3rem}
.chat-history{align-self:center;flex-shrink:0}.chat-empty-note{text-align:center;color:#8b9787;font-size:.8rem;margin:auto 1rem;line-height:1.8}
.msg-input-area{padding:.8rem 1rem calc(.8rem + env(safe-area-inset-bottom,0px));border-top:1px solid var(--community-line);background:#fff;flex-shrink:0}
.msg-input-area fieldset{border:0;min-width:0}.msg-input-area fieldset:disabled{opacity:.6}
.chat-quick-replies{display:flex;gap:.4rem;overflow-x:auto;padding-bottom:.6rem;scrollbar-width:thin}
.quick-reply{border:1px solid #e5ebdf;background:#fafbf8;color:#738568;padding:.35rem .65rem;border-radius:20px;font-size:.72rem;white-space:nowrap;flex-shrink:0}
.quick-reply:hover{background:#edf4e7}.chat-composer{display:flex;align-items:flex-end;gap:.6rem}
.chat-composer textarea{flex:1;min-width:0;border:1px solid #e0e8d9;background:#fafbf9;border-radius:15px;padding:.55rem .8rem;resize:none;font-size:16px;line-height:1.5;min-height:44px;max-height:96px}
.chat-composer textarea:focus{outline:2px solid #bed4b3;outline-offset:1px;background:#fff}
.chat-upload,.chat-composer .btn{width:44px;height:44px;display:flex;align-items:center;justify-content:center;flex-shrink:0;border-radius:13px;margin:0;cursor:pointer}
.chat-upload{background:#f1f5eb;color:#6b8557;font-size:1.15rem}.chat-upload:focus-within{outline:2px solid var(--primary)}
.chat-composer-hint{display:flex;justify-content:space-between;gap:.5rem;margin-top:.4rem;font-size:.65rem;color:#98a28f}
.chat-attachment-preview{display:flex;align-items:center;gap:.6rem;padding:.5rem;border:1px solid #e4ebdf;border-radius:10px;margin-bottom:.6rem}
.chat-attachment-preview img{width:52px;height:52px;object-fit:cover;border-radius:7px}.chat-attachment-preview span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:.8rem}
.chat-attachment-preview[hidden],.chat-history[hidden],.chat-error[hidden],.chat-unavailable[hidden]{display:none}
.chat-error,.chat-unavailable{font-size:.78rem;padding:.5rem .6rem;border-radius:8px;line-height:1.6;margin:0 0 .5rem}
.chat-error{background:#fff0ed;color:#a74936}.chat-unavailable{background:#f3f4f1;color:#727c6c}
.messages-page .site-footer,.messages-page .pwa-install-bar,.messages-page .btn-back-top{display:none!important}
.messages-page .cookie-bar{bottom:calc(var(--composer-height,150px) + 12px);z-index:1038}
.messages-page .toast-container{bottom:160px!important}
.chat-compact .chat-safety,.chat-compact .chat-item-strip,.chat-compact .chat-quick-replies,.chat-compact .chat-composer-hint,.chat-compact .chat-trade-strip{display:none}
.chat-compact .chat-heading{padding:.4rem .7rem}
.chat-compact .msg-input-area{padding:.45rem .7rem calc(.45rem + env(safe-area-inset-bottom,0px))}
@media(max-width:991.98px){.msg-list-pane{width:260px}.chat-list-heading{padding:1rem}.chat-heading{padding:.8rem 1rem}.community-chat-shell{padding-top:8px}}
@media(max-width:767.98px){
 .community-heading{align-items:flex-start;flex-direction:column;gap:1rem;padding:.8rem 0 1.5rem}
 .saved-grid{grid-template-columns:minmax(0,1fr)}.saved-card,.community-panel{padding:1.15rem}.save-search-strip{padding:.85rem;gap:.65rem}.save-search-strip strong{font-size:.8rem}.save-search-strip span{font-size:.72rem}
 .community-profile .user-public-header{padding:1.5rem 0}.community-profile .user-stats-badge{min-width:80px}.community-profile .user-avatar{width:72px!important;height:72px!important}
 .community-chat-shell{padding:0;max-width:none}.msg-page-wrap{border-radius:0;border:0}.msg-list-pane{width:100%;border:0}.msg-chat-pane{width:100%;flex:1;min-width:0}.chat-list-heading{padding:1rem}
 .chat-timeline{padding:.85rem;gap:.7rem}.chat-bubble{max-width:88%;font-size:.88rem}.chat-heading{padding:.65rem .8rem;gap:.5rem}.chat-safety{padding:.45rem .8rem;font-size:.68rem}.chat-item-strip{padding:.55rem .8rem}
 .msg-input-area{padding:.65rem .75rem calc(.65rem + env(safe-area-inset-bottom,0px))}.chat-composer{gap:.45rem}.chat-composer-hint{font-size:.6rem}.chat-photo{max-height:210px}
}
@media(prefers-reduced-motion:reduce){.item-card,.btn,.chat-conversation{transition:none}}

.delivery-steps{display:flex;list-style:none;padding:1.3rem 0;margin:0;gap:.7rem}.delivery-steps li{flex:1;display:flex;align-items:center;gap:.5rem;color:#8b9787;font-size:.85rem}.delivery-steps li span{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;flex-shrink:0;border-radius:50%;background:#eef1eb}.delivery-steps .done{color:#367552;font-weight:700}.delivery-steps .done span{background:#e1efdf}.delivery-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.delivery-summary dt{font-size:.75rem;color:#86917f;font-weight:400}.delivery-summary dd{margin:.25rem 0 0;overflow-wrap:anywhere;font-size:.9rem}@media(max-width:575.98px){.delivery-steps{gap:.35rem}.delivery-steps li{flex-direction:column;font-size:.75rem;align-items:flex-start}.delivery-summary{grid-template-columns:minmax(0,1fr)}}