/* The two channels share presentation; each retains its own scoped controller. */
#messages-section {
  --chat-incoming:var(--design-surface);--chat-outgoing:#e7f0e8;--chat-canvas:#f3f5f2;
  --chat-mail:#376655;--chat-mail-soft:#eaf2ed;--chat-ebay:#7b5a2c;--chat-ebay-soft:#f6eddd;
  border:0;background:transparent;box-shadow:none;padding:0;color:var(--design-text);
}
:root[data-theme="dark"] #messages-section {--chat-outgoing:#263f36;--chat-canvas:#14212a;--chat-mail:#b1d7c2;--chat-mail-soft:#253d35;--chat-ebay:#ebcf9d;--chat-ebay-soft:#3b3427}
@media(prefers-color-scheme:dark){:root:not([data-theme]) #messages-section{--chat-outgoing:#263f36;--chat-canvas:#14212a;--chat-mail:#b1d7c2;--chat-mail-soft:#253d35;--chat-ebay:#ebcf9d;--chat-ebay-soft:#3b3427}}
#messages-section .message-sr-only {position:absolute!important;width:1px!important;height:1px!important;overflow:hidden;clip-path:inset(50%);white-space:nowrap;margin:-1px!important;padding:0!important;border:0!important}
#messages-section .messages-hub-head {padding:0 0 24px;background:transparent;border:0;display:flex;align-items:center;justify-content:space-between;gap:18px}
#messages-section .messages-hub-head .eyebrow {color:var(--design-muted);font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}
#messages-section .messages-hub-head h2 {margin:7px 0 8px;font-size:34px;line-height:1.15;letter-spacing:-.035em;color:var(--design-text)}
#messages-section .messages-hub-head p {margin:0;color:var(--design-muted);font-size:15px;line-height:1.5}
#messages-section .messages-hub-signature {padding:10px 15px;border:1px solid var(--design-line);border-radius:99px;font-size:13px;color:var(--design-muted);white-space:nowrap}
#messages-section .messages-columns {display:grid;grid-template-columns:minmax(0,1fr);gap:22px;align-items:start}
#messages-section.messages-split .messages-columns {grid-template-columns:repeat(2,minmax(0,1fr))}
#messages-section .message-channel {display:flex;flex-direction:column;height:clamp(650px,calc(100dvh - 240px),860px);min-width:0;padding:0;border:1px solid var(--design-line);border-radius:22px;overflow:hidden;background:var(--design-surface);box-shadow:0 8px 28px #14253108;color:var(--design-text)}
#messages-section .channel-heading {display:flex;align-items:center;gap:13px;padding:19px 20px 16px;border:0;background:var(--design-surface);flex-shrink:0}
#messages-section .channel-symbol {display:grid;place-items:center;width:48px;height:48px;border-radius:16px;flex:0 0 48px}
#messages-section svg {width:22px;height:22px;flex-shrink:0}
#messages-section .channel-symbol svg {width:26px;height:26px}
#messages-section .mail-symbol {background:var(--chat-mail-soft);color:var(--chat-mail)}
#messages-section .ebay-symbol {background:var(--chat-ebay-soft);color:var(--chat-ebay)}
#messages-section .channel-heading>div {flex:1;min-width:0}
#messages-section .channel-heading h3 {font-size:21px;line-height:1.2;margin:0 0 5px;color:var(--design-text);letter-spacing:-.02em}
#messages-section .channel-heading p {font-size:13px;color:var(--design-muted);margin:0}
#messages-section .channel-icon-button,#messages-section #conversation-refresh {display:inline-flex;align-items:center;justify-content:center;flex:0 0 44px;width:44px;height:44px;min-height:44px;min-width:44px;padding:0;border:1px solid var(--design-line);border-radius:13px;background:var(--design-surface);color:var(--design-text);font-size:23px;cursor:pointer}
#messages-section .channel-icon-button:hover,#messages-section #conversation-refresh:hover {background:var(--design-subtle)}
#messages-section .channel-toolbar {display:flex;align-items:center;gap:8px;min-height:66px;padding:0 20px 15px;border-bottom:1px solid var(--design-line);box-sizing:border-box;flex-shrink:0}
#messages-section .mail-toolbar label {flex:1;min-width:0;margin:0}
#messages-section .mail-toolbar select {border-radius:12px;border-color:var(--design-control-line);background:var(--design-subtle);padding:10px 28px 10px 12px;font-size:14px;font-weight:600;color:var(--design-text)}
#messages-section .ebay-wordmark {display:grid;place-items:center;font-size:23px;font-weight:700;letter-spacing:-1.3px;color:var(--chat-ebay);border:1px solid var(--design-line);border-radius:12px;width:66px;height:44px;background:var(--chat-ebay-soft)}
#messages-section .ebay-channel-toolbar>span:last-child {display:grid;gap:2px;color:var(--design-text);font-size:14px;font-weight:600}
#messages-section .ebay-channel-toolbar small {font-size:12px;color:var(--design-muted);font-weight:400}
#messages-section .mail-shell,#messages-section .conversation-shell {display:block;height:auto;min-height:0;flex:1;min-width:0;overflow:hidden;border:0;border-radius:0;background:var(--design-surface)}
#messages-section .mail-sidebar,#messages-section .conversation-sidebar {display:flex;flex-direction:column;padding:0;margin:0;height:100%;max-height:none;min-height:0;border:0;background:var(--design-surface);color:var(--design-text);overflow:hidden}
#messages-section .mail-reader,#messages-section .conversation-thread {display:none}
#messages-section .mail-shell.mail-thread-open .mail-sidebar,#messages-section .conversation-shell.thread-open .conversation-sidebar {display:none}
#messages-section .mail-shell.mail-thread-open .mail-reader,#messages-section .conversation-shell.thread-open .conversation-thread {display:grid;grid-template-rows:auto minmax(70px,1fr) auto;height:100%;min-height:0;padding:0;min-width:0;overflow:hidden;background:var(--chat-canvas)}
#messages-section .channel-search {margin:0;padding:14px 20px 10px;display:block;border:0;background:var(--design-surface);flex-shrink:0}
#messages-section .mail-search-row {margin:0;display:flex;gap:7px}
#messages-section .channel-search input[type=search] {box-sizing:border-box;width:100%;min-width:0;min-height:44px;border:1px solid var(--design-control-line);border-radius:12px;background:var(--design-subtle);padding:10px 12px;font-size:15px;color:var(--design-text);font-family:inherit}
#messages-section .channel-search input::placeholder {color:var(--design-muted);opacity:1}
#messages-section .mail-search-row button {padding:8px 12px;border-radius:12px;font-size:13px;min-height:44px}
#messages-section .mail-checkbox,#messages-section .channel-search-caption {display:flex;align-items:center;gap:8px;min-height:24px;margin:10px 0 0;color:var(--design-muted);font-size:13px;line-height:1.4}
#messages-section .mail-checkbox input {width:17px;height:17px;min-height:17px;margin:0}
#messages-section #mail-list,#messages-section .conversation-list {display:flex;flex-direction:column;gap:0;padding:0 8px 12px;min-height:0;overflow:auto;max-height:none;overscroll-behavior:contain;scrollbar-width:thin}
#messages-section .message-list-row {display:grid;grid-template-columns:46px minmax(0,1fr);align-items:center;gap:12px;width:100%;min-height:99px;max-width:100%;padding:16px 12px;border:0;border-radius:14px;box-shadow:none;background:var(--design-surface);text-align:left;color:var(--design-text);cursor:pointer;outline-offset:-3px}
#messages-section .message-list-row:hover,#messages-section .message-list-row[aria-pressed=true] {background:var(--design-subtle);box-shadow:none}
#messages-section .message-avatar {display:grid;place-items:center;width:46px;height:46px;border-radius:17px;background:var(--chat-mail-soft);color:var(--chat-mail);font-size:15px;font-weight:700;flex-shrink:0}
#messages-section .channel-ebay .message-avatar {background:var(--chat-ebay-soft);color:var(--chat-ebay)}
#messages-section .message-row-copy {display:grid;min-width:0;gap:6px}
#messages-section .message-row-top {display:flex;align-items:baseline;justify-content:space-between;gap:9px;min-width:0}
#messages-section .message-row-top b {font-size:15px;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:650}
#messages-section .is-unread .message-row-top b {font-weight:800}
#messages-section .message-row-top time {flex-shrink:0;font-size:12px;color:var(--design-muted);line-height:1.3}
#messages-section .message-row-subject {display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;line-height:1.4;color:var(--design-text);font-style:normal}
#messages-section .message-row-detail {display:flex;align-items:center;justify-content:space-between;gap:6px;min-width:0;font-size:12px;color:var(--design-muted);line-height:1.3;font-style:normal;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#messages-section .message-row-detail>span:first-child {overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#messages-section .message-unread {font-size:11px;padding:3px 7px;border-radius:99px;background:var(--chat-mail-soft);color:var(--chat-mail);font-weight:700;flex-shrink:0}
#messages-section .channel-ebay .message-unread {color:var(--chat-ebay);background:var(--chat-ebay-soft)}
#messages-section .message-draft {font-weight:700;color:var(--design-accent-text)}
#messages-section .channel-connection-status {flex-shrink:0;min-height:19px;margin:0;padding:11px 18px;border-top:1px solid var(--design-line);font-size:12px;line-height:1.5;color:var(--design-muted);background:var(--design-surface);overflow-wrap:anywhere;display:block}
#messages-section .chat-thread-heading,#messages-section .conversation-thread>header {display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:12px 16px;background:var(--design-surface);border:0;border-bottom:1px solid var(--design-line);min-width:0}
#messages-section .mail-reader-head {display:flex;width:100%;justify-content:space-between;flex-wrap:wrap;gap:6px}
#messages-section .chat-thread-heading h3 {margin:3px 0 0;color:var(--design-text);font-size:16px;line-height:1.45;overflow-wrap:anywhere;font-weight:700;max-height:4.4em;overflow:auto}
#messages-section .mail-reader-head button,#messages-section .conversation-back,#messages-section .ebay-reply-button {display:inline-flex;align-items:center;min-height:40px;padding:8px 10px;border:1px solid var(--design-line);border-radius:10px;background:var(--design-surface);color:var(--design-text);font-size:12px;font-weight:600;box-sizing:border-box;cursor:pointer}
#messages-section .conversation-thread>header>div {flex-basis:100%;min-width:0;display:grid;gap:4px}
#messages-section .conversation-thread .ebay-reply-button {margin-left:auto}
#messages-section #mail-meta,#messages-section #conversation-thread-meta {font-size:12px;line-height:1.5;overflow-wrap:anywhere;margin:0;color:var(--design-muted)}
#messages-section .mail-chat-scroll,#messages-section .conversation-messages {display:flex;flex-direction:column;gap:13px;min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;padding:20px 16px;background:var(--chat-canvas)}
#messages-section .message-bubble {width:fit-content;max-width:94%;box-sizing:border-box;margin:0;padding:14px 16px;border:1px solid var(--design-line);border-radius:17px;background:var(--chat-incoming);color:var(--design-text);box-shadow:0 2px 3px #182a3205;gap:9px;overflow-wrap:anywhere}
#messages-section .message-bubble.incoming {border-top-left-radius:4px;align-self:flex-start}
#messages-section .message-bubble.outgoing {border-bottom-right-radius:4px;align-self:flex-end;background:var(--chat-outgoing)}
#messages-section .message-bubble p,#messages-section .mail-body {font-size:15px;line-height:1.65;margin:0;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--design-text)}
#messages-section .message-bubble small,#messages-section .message-bubble time {font-size:12px;line-height:1.5;color:var(--design-muted)}
#messages-section #mail-history {display:flex;flex-direction:column;gap:13px}
#messages-section #mail-history:empty,#messages-section #mail-attachments:empty,#messages-section #mail-reply-reason:empty {display:none}
#messages-section #mail-attachments {margin:5px 0 0;gap:6px}
#messages-section #mail-attachments button {padding:8px 10px;min-height:40px;font-size:12px;border-radius:10px;background:var(--design-subtle);color:var(--design-text)}
#messages-section .ebay-message-item {padding:9px 12px;border-radius:10px;font-size:12px;background:var(--design-surface);color:var(--design-muted);border-color:var(--design-line)}
#messages-section .ebay-history-note,#messages-section #mail-reply-reason {font-size:12px;color:var(--design-muted);line-height:1.5}
#messages-section #mail-reply-form,#messages-section #ebay-reply-form {display:grid;gap:7px;margin:0;padding:13px 16px 15px;border:0;border-top:1px solid var(--design-line);background:var(--design-surface)}
#messages-section #mail-reply-form>label,#messages-section #ebay-reply-form>label {font-size:13px;font-weight:700;color:var(--design-text)}
#messages-section #mail-reply-to {font-size:12px;line-height:1.4;margin:0;color:var(--design-muted);overflow-wrap:anywhere}
#messages-section #mail-reply-body,#messages-section #ebay-reply-body {width:100%;min-height:78px;max-height:150px;margin:0;padding:11px 12px;box-sizing:border-box;resize:vertical;border:1px solid var(--design-control-line);border-radius:13px;background:var(--design-subtle);color:var(--design-text);font:inherit;font-size:16px;line-height:1.45}
#messages-section #mail-reply-status,#messages-section #ebay-reply-status {min-height:0;font-size:13px;line-height:1.4;margin:0;color:var(--design-text)}
#messages-section #mail-reply-status:empty,#messages-section #ebay-reply-status:empty {display:none}
#messages-section .ebay-reply-help {display:flex;justify-content:space-between;gap:12px;color:var(--design-muted)}
#messages-section .ebay-reply-help small {font-size:12px;line-height:1.4}
#messages-section .mail-reply-actions,#messages-section .ebay-reply-actions {display:flex;align-items:center;justify-content:flex-end;gap:8px;margin-top:3px;flex-wrap:wrap}
#messages-section .mail-reply-actions button,#messages-section .ebay-reply-actions button {min-height:44px;padding:10px 15px;border-radius:12px;font-size:13px;font-weight:700}
#messages-section #mail-send,#messages-section #ebay-reply-send {background:var(--design-action);border:1px solid var(--design-action);color:var(--design-action-text)}
#messages-section .mail-empty,#messages-section .conversation-empty {display:grid;place-items:center;flex:1;min-height:150px;margin:0;padding:30px;font-size:14px;color:var(--design-muted);line-height:1.7;text-align:center}
#messages-section #mail-more {border-radius:10px;align-self:center;margin:8px;font-size:13px}
#messages-section :is(button,input,select,textarea,a,summary):focus-visible {outline:3px solid var(--design-action);outline-offset:2px}
#messages-section .message-list-row:focus-visible {outline-offset:-3px}
#messages-section .messages-tabs {display:flex;gap:5px;margin:0 0 16px;padding:5px;border:1px solid var(--design-line);border-radius:15px;background:var(--design-subtle)}
#messages-section .messages-tabs button {flex:1;display:flex;align-items:center;justify-content:center;gap:8px;min-width:0;min-height:46px;padding:10px 12px;border:0;border-radius:10px;background:transparent;color:var(--design-muted);font-size:14px;font-weight:700}
#messages-section .messages-tabs button[aria-selected=true] {background:var(--design-surface);color:var(--design-text);box-shadow:0 2px 5px #12242f12}
#messages-section .channel-unread-count {display:inline-grid;place-items:center;min-width:20px;min-height:20px;padding:0 4px;border-radius:8px;background:var(--design-action);color:var(--design-action-text);font-size:11px}
@media(max-width:999px){
 #messages-section .messages-hub-signature{display:none}
 #messages-section .messages-hub-head{padding-bottom:18px}
 #messages-section .messages-hub-head h2{font-size:28px}
 #messages-section .message-channel{height:auto;min-height:440px;border-radius:18px}
 #messages-section .mail-shell,#messages-section .conversation-shell{flex:1;overflow:visible}
 #messages-section .mail-sidebar,#messages-section .conversation-sidebar{height:auto;min-height:250px;overflow:visible}
 #messages-section #mail-list,#messages-section .conversation-list{max-height:60dvh;overflow:auto}
 #messages-section .mail-shell.mail-thread-open .mail-reader,#messages-section .conversation-shell.thread-open .conversation-thread{height:auto;grid-template-rows:auto auto auto;overflow:visible}
 #messages-section .mail-chat-scroll,#messages-section .conversation-messages{overflow:visible;max-height:none;min-height:120px}
 #messages-section .channel-heading{padding:16px;gap:10px}
 #messages-section .channel-toolbar{padding:0 16px 12px;min-height:60px}
 #messages-section .mail-toolbar label{flex-basis:auto}
 #messages-section .mail-toolbar button{flex:0 0 44px}
 #messages-section .channel-search{padding:12px 14px 8px}
 #messages-section .mail-search-row{flex-wrap:nowrap}
 #messages-section .mail-search-row input{flex-basis:0}
 #messages-section #mail-reply-form,#messages-section #ebay-reply-form{padding:13px 12px max(16px,env(safe-area-inset-bottom))}
 #messages-section .channel-connection-status{padding:10px 14px}
}
@media(max-width:400px){
 #messages-section .messages-hub-head h2{font-size:25px}
 #messages-section .messages-hub-head p{font-size:14px}
 #messages-section .message-list-row{grid-template-columns:38px minmax(0,1fr);padding:14px 7px;gap:9px;min-height:94px}
 #messages-section .message-avatar{width:38px;height:38px;border-radius:13px;font-size:13px}
 #messages-section .message-row-top b{font-size:14px}
 #messages-section .message-row-top time{font-size:11px}
 #messages-section .message-unread{font-size:10px;padding:3px 5px}
 #messages-section .mail-chat-scroll,#messages-section .conversation-messages{padding:15px 10px}
 #messages-section .message-bubble{max-width:97%;padding:12px}
}
@media(prefers-reduced-motion:reduce){#messages-section *,#messages-section *::before,#messages-section *::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

#messages-section #mail-subject,#messages-section #mail-meta{flex-basis:100%}
#messages-section .mail-empty{align-content:center;gap:12px}
#messages-section .mail-empty b{font-size:17px;color:var(--design-text)}
#messages-section .mail-empty p{margin:0;max-width:300px}
#messages-section [data-mail-connect-empty]{background:var(--design-action);color:var(--design-action-text);border-color:var(--design-action);border-radius:12px;margin-top:6px}
/* Keep enough reading space above the composer on laptop screens. */
#messages-section .message-channel{height:clamp(800px,calc(100dvh - 210px),900px)}
#messages-section .channel-heading>div{display:block}
#messages-section .chat-thread-heading,#messages-section .mail-reader-head{flex-direction:row}
#messages-section .mail-reader-head{align-items:center}
@media(max-width:999px){#messages-section .message-channel{height:auto}}