/* Message/media components share the same identity as every portal. */
.secure-media-thumb{display:block;position:relative;margin-top:8px;border-radius:13px;overflow:hidden;border:1px solid var(--identity-border);background:var(--identity-surface-soft);text-decoration:none;max-width:260px}
.secure-media-thumb img{display:block;width:100%;max-height:220px;object-fit:cover;background:var(--identity-surface-soft)}
.secure-media-thumb span{display:block;padding:7px 9px;font-size:10px;color:var(--identity-muted);text-align:center}
.secure-media-lightbox{position:fixed;z-index:99999;inset:0;background:color-mix(in srgb,var(--identity-background) 97%,transparent);display:none;align-items:center;justify-content:center;padding:56px 16px 24px}
.secure-media-lightbox.is-open{display:flex}
.secure-media-lightbox img{display:block;max-width:min(96vw,1280px);max-height:84vh;object-fit:contain;border-radius:10px;box-shadow:0 20px 80px color-mix(in srgb,var(--identity-shadow-color) 55%,transparent);transform-origin:center;transition:transform .16s ease}
.secure-media-lightbox__bar{position:absolute;top:max(12px,env(safe-area-inset-top));right:14px;left:14px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.secure-media-lightbox__group{display:flex;gap:8px}
.secure-media-lightbox button{border:1px solid var(--identity-border);background:var(--identity-surface);color:var(--identity-primary-text);border-radius:12px;min-width:42px;height:42px;padding:0 12px;font:inherit;cursor:pointer}
.secure-media-lightbox button:hover{background:var(--identity-primary-hover);color:var(--identity-on-primary)}
.secure-media-lightbox__name{color:var(--identity-text);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:55vw}
.tp-chat{display:flex;flex-direction:column;gap:9px;min-height:260px;max-height:58vh;overflow-y:auto;padding:16px 4px;overscroll-behavior:contain}
.tp-chat-bubble{max-width:min(78%,620px);border:1px solid var(--identity-border);border-radius:17px;padding:11px 13px;background:var(--identity-surface);color:var(--identity-text)}
.tp-chat-bubble.is-mine{align-self:flex-start;background:var(--identity-primary-soft);border-color:var(--identity-border-strong);border-bottom-left-radius:5px}
.tp-chat-bubble.is-other{align-self:flex-end;border-bottom-right-radius:5px}
.tp-chat-sender{font-size:10px;font-weight:900;color:var(--identity-primary-text)}
.tp-chat-bubble p{white-space:pre-wrap;margin:5px 0;color:var(--identity-text);line-height:1.75}
.tp-chat-bubble time{display:block;margin-top:6px;font-size:9px;color:var(--identity-muted)}
.tp-chat-head{display:flex;align-items:center;gap:10px;padding:13px 14px;border:1px solid var(--identity-border);border-radius:18px;background:var(--identity-surface);margin-bottom:12px;color:var(--identity-text)}
.tp-chat-head h1{margin:0;font-size:17px}.tp-chat-head p{margin:2px 0 0;font-size:11px;color:var(--identity-muted)}
.tp-chat-back{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;text-decoration:none;color:var(--identity-primary-text);background:var(--identity-primary-soft)}
.tp-chat-composer{position:sticky;bottom:10px;padding:11px;border:1px solid var(--identity-border);border-radius:18px;background:var(--identity-surface);backdrop-filter:blur(14px)}
.tp-chat-composer .tp-textarea{min-height:72px}.tp-chat-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:8px}
.tp-message-list{display:grid;gap:9px}.tp-message-card{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:11px;padding:12px;text-decoration:none}
.tp-message-avatar{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--identity-primary-soft);color:var(--identity-primary-text);font-weight:950}
.tp-message-copy{display:grid;min-width:0}.tp-message-copy strong{color:var(--identity-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tp-message-copy small{color:var(--identity-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tp-message-time{font-size:9px;color:var(--identity-muted);white-space:nowrap}
@media(max-width:600px){.tp-chat-bubble{max-width:88%}.secure-media-thumb{max-width:230px}.tp-message-card{grid-template-columns:40px 1fr}.tp-message-time{grid-column:2}.tp-chat-actions{display:grid;grid-template-columns:1fr 1fr}.tp-chat-actions .tp-btn{width:100%}}