/* Shared company mailbox: the existing eBay inbox keeps its own controller. */
.messages-tabs{display:flex;gap:8px;margin:12px 0 18px;border-bottom:1px solid var(--design-line,#b8c4cc);padding-bottom:10px}
.messages-tabs button,.mail-panel button{min-height:44px;padding:9px 14px;border:1px solid var(--design-control-line,#758088);border-radius:8px;background:var(--design-surface,#fff);color:var(--design-text,#172a3a);font:inherit;cursor:pointer}
.messages-tabs button[aria-selected=true],.mail-panel #mail-send,.mail-panel #mail-connect-save{background:var(--design-action,#235b78);color:var(--design-action-text,#fff);border-color:var(--design-action,#235b78)}
.mail-panel [hidden],#ebay-messages-panel[hidden],#mail-panel[hidden]{display:none!important}
.mail-panel{color:var(--design-text,#172a3a);min-width:0}
.mail-panel button:disabled{opacity:.6;cursor:default}
.mail-panel :is(button,input,select,textarea,summary):focus-visible,.messages-tabs button:focus-visible{outline:3px solid var(--design-action,#235b78);outline-offset:3px}
.mail-toolbar{display:flex;flex-wrap:wrap;align-items:end;gap:10px}
.mail-panel label{display:grid;gap:7px;min-width:0;font-size:14px;color:var(--design-text,#172a3a)}
.mail-toolbar label{flex:1;min-width:min(240px,100%)}
.mail-panel :is(input,select,textarea){box-sizing:border-box;width:100%;min-width:0;min-height:44px;padding:10px;border:1px solid var(--design-control-line,#758088);border-radius:7px;background:var(--design-surface,#fff);color:var(--design-text,#172a3a);font:inherit;font-size:16px}
.mail-panel input::placeholder,.mail-panel textarea::placeholder{color:var(--design-muted,#53616b);opacity:1}
#mail-connection-status,#mail-meta,#mail-reply-to,#mail-reply-reason,#mail-server-hint{font-size:14px;line-height:1.5;color:var(--design-muted,#53616b);overflow-wrap:anywhere}
.mail-shell{display:grid;grid-template-columns:minmax(240px,33%) minmax(0,1fr);border:1px solid var(--design-line,#b8c4cc);border-radius:10px;background:var(--design-surface,#fff);overflow:hidden;min-height:360px}
.mail-sidebar{min-width:0;border-right:1px solid var(--design-line,#b8c4cc);padding:12px;max-height:850px;overflow:auto}
.mail-search-row{display:flex;gap:8px;margin-top:7px}.mail-search-row input{flex:1}
.mail-panel .mail-checkbox{display:flex;align-items:center;gap:8px;margin:10px 0}.mail-checkbox input{width:20px;min-height:20px;height:20px;accent-color:var(--design-action,#235b78)}
#mail-list{display:grid;gap:4px}.mail-panel .mail-item{display:grid;grid-template-columns:minmax(0,1fr);text-align:left;gap:5px;min-height:80px;border-color:transparent;border-bottom-color:var(--design-line,#b8c4cc);border-radius:3px;max-width:100%;overflow-wrap:anywhere}
.mail-item[aria-pressed=true]{outline:2px solid var(--design-action,#235b78);outline-offset:-2px;background:var(--design-subtle,#f1f3f4)}
.mail-item small,.mail-item time{color:var(--design-muted,#53616b);font-size:13px}.mail-item time{font-size:12px}.mail-item .mail-unread{font-size:12px;color:var(--design-action,#235b78)}
.mail-reader{padding:18px;min-width:0}.mail-reader-head{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}.mail-reader h3{font-size:20px;margin:18px 0 8px;overflow-wrap:anywhere}
.mail-body,.mail-history-body{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.65;font-size:15px}
#mail-attachments{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}#mail-attachments button{max-width:100%;overflow-wrap:anywhere;text-align:left}
#mail-history>div{padding:14px;margin:12px 0;background:var(--design-subtle,#f1f3f4);border-left:3px solid var(--design-action,#235b78)}#mail-history small{color:var(--design-muted,#53616b);font-size:13px}
#mail-reply-form{margin-top:20px;border-top:1px solid var(--design-line,#b8c4cc);padding-top:18px}#mail-reply-status{font-size:14px;line-height:1.5;overflow-wrap:anywhere;min-height:22px}.mail-reply-actions{display:flex;justify-content:end;gap:10px;flex-wrap:wrap}.mail-empty{padding:15px;line-height:1.5;color:var(--design-muted,#53616b)}
#mail-connect-dialog{box-sizing:border-box;width:min(520px,94vw);max-height:92dvh;border:1px solid var(--design-line,#b8c4cc);border-radius:14px;background:var(--design-surface,#fff);color:var(--design-text,#172a3a);padding:22px;overflow:auto}#mail-connect-dialog::backdrop{background:#101820b0}
.mail-dialog-head{display:flex;align-items:start;justify-content:space-between;gap:12px}.mail-dialog-head h2{margin:5px 0;font-size:22px;color:inherit}.mail-dialog-head button{min-width:44px}.mail-panel #mail-connect-form{display:grid;gap:14px}.mail-panel #mail-connect-form p{margin:0;font-size:14px;line-height:1.5}.mail-panel #mail-connect-form summary{min-height:44px;display:flex;align-items:center;cursor:pointer}.mail-dialog-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between}
@media(max-width:760px){.mail-shell{display:block}.mail-sidebar{border:0;max-height:none}.mail-reader{display:none}.mail-shell.mail-thread-open .mail-sidebar{display:none}.mail-shell.mail-thread-open .mail-reader{display:block}.mail-reader{padding:12px}.mail-toolbar{align-items:stretch}.mail-toolbar label{flex-basis:100%}.mail-toolbar button{flex:1}.mail-search-row{flex-wrap:wrap}.mail-search-row input{flex-basis:150px}.mail-dialog-head h2{font-size:20px}#mail-connect-dialog{padding:16px}.mail-panel{padding-bottom:12px}}
/* Reset the legacy global aside surface in both themes. */
.mail-shell .mail-sidebar{background:var(--design-surface,#fff);color:var(--design-text,#172a3a);border-left:0;margin:0}