:root{color-scheme:light dark;--bg: #ffffff;--bg-raised: #f2f3f5;--bg-sunken: #e7e9ed;--border: #dfe2e7;--text: #16181d;--text-muted: #6b6f78;--accent: #3b73e0;--accent-text: #ffffff;--bubble-own: #3b73e0;--bubble-other: #eef0f3;--danger: #d64545;--radius-lg: 18px;--radius-md: 12px;--radius-sm: 8px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #0e0f13;--bg-raised: #16181d;--bg-sunken: #0a0b0e;--border: #24262c;--text: #eef0f3;--text-muted: #8b8f98;--accent: #4f8cff;--accent-text: #ffffff;--bubble-own: #2a5fd9;--bubble-other: #1f2126;--danger: #f26363}}:root[data-theme=dark]{--bg: #0e0f13;--bg-raised: #16181d;--bg-sunken: #0a0b0e;--border: #24262c;--text: #eef0f3;--text-muted: #8b8f98;--accent: #4f8cff;--accent-text: #ffffff;--bubble-own: #2a5fd9;--bubble-other: #1f2126;--danger: #f26363}*{box-sizing:border-box}html,body,#app{height:100%;margin:0;background:var(--bg);color:var(--text);overscroll-behavior:none;overflow:hidden}button{font:inherit;color:inherit;cursor:pointer}input{font:inherit}.icon-button{background:transparent;border:none;width:40px;height:40px;min-width:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.icon-button:active{background:var(--bg-sunken)}.app{display:flex;height:100%;height:100dvh;overflow:hidden}.sidebar,.main{height:100%;display:flex;flex-direction:column;min-width:0}.sidebar{width:100%;flex-shrink:0;border-right:1px solid var(--border)}.main{width:100%;flex-shrink:0}.app:not(.room-open) .main{display:none}.app.room-open .sidebar{display:none}.back-button{display:inline-flex}@media (min-width: 768px){.app .sidebar,.app.room-open .sidebar{display:flex;width:340px}.app .main,.app:not(.room-open) .main{display:flex;flex:1}.back-button{display:none}}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:calc(env(safe-area-inset-top) + 14px) 16px 10px;flex-shrink:0}.sidebar-header h1{font-size:22px;margin:0}.sidebar-header-actions{display:flex;align-items:center;gap:8px}.profile-menu{position:relative}.profile-menu-trigger{background:transparent;border:none;padding:0;display:flex;border-radius:50%}.profile-menu-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius-md);padding:4px;display:flex;flex-direction:column;min-width:140px;box-shadow:0 8px 24px #0003;z-index:50}.profile-menu-item{background:transparent;border:none;color:var(--text);text-align:left;padding:10px 12px;border-radius:var(--radius-sm);font-size:14px}.profile-menu-item:active{background:var(--bg-sunken)}.profile-menu-item.danger{color:var(--danger)}.theme-toggle{display:flex;background:var(--bg-raised);border:1px solid var(--border);border-radius:999px;padding:2px;gap:2px}.theme-toggle button{background:transparent;border:none;color:var(--text-muted);font-size:12px;font-weight:600;padding:6px 10px;border-radius:999px}.theme-toggle button.active{background:var(--accent);color:var(--accent-text)}.homeserver-locked{margin:0;padding:10px 12px;border-radius:var(--radius-md);background:var(--bg-raised);border:1px solid var(--border);color:var(--text-muted);font-size:13px}.room-list{list-style:none;margin:0;padding:4px 8px;overflow-y:auto;flex:1}.room-list-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted);padding:24px;text-align:center}.room-item{width:100%;display:flex;align-items:center;gap:12px;padding:10px 8px;border:none;background:transparent;border-radius:var(--radius-md);text-align:left}.room-item:active,.room-item.selected{background:var(--bg-raised)}.room-item-copy{display:flex;flex-direction:column;min-width:0;flex:1}.room-name{font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.room-preview{font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.unread-badge{background:var(--accent);color:var(--accent-text);border-radius:10px;min-width:20px;height:20px;padding:0 6px;font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;flex-shrink:0}.avatar{border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;flex-shrink:0}.avatar-image{object-fit:cover}.timeline-container{display:flex;flex-direction:column;height:100%;min-height:0}.timeline-header{display:flex;align-items:center;gap:10px;padding:calc(env(safe-area-inset-top) + 10px) 12px 10px;border-bottom:1px solid var(--border);flex-shrink:0}.timeline-title-button{display:flex;align-items:center;gap:10px;background:transparent;border:none;color:inherit;min-width:0;flex:1;text-align:left;padding:4px}.timeline-room-name{font-weight:600;font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.header-text-button{background:transparent;border:none;color:var(--accent);font-size:14px;font-weight:500;padding:6px 8px;flex-shrink:0}.header-text-button.danger{color:var(--danger)}.timeline{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:2px}.message-row{display:flex;align-items:flex-end;gap:8px;max-width:88%;margin:6px 0}.message-row.own{margin-left:auto;flex-direction:row-reverse}.message-bubble{background:var(--bubble-other);border-radius:var(--radius-lg);padding:8px 12px;min-width:0;position:relative}.message-row.own .message-bubble{background:var(--bubble-own);color:var(--accent-text)}.sender{font-size:12px;font-weight:600;color:var(--text-muted);margin-bottom:2px}.body{white-space:pre-wrap;word-break:break-word;font-size:15px;line-height:1.35}.message-time{font-size:11px;opacity:.7;margin-top:3px;text-align:right}.message-image{max-width:100%;border-radius:var(--radius-md);display:block}.file-link{color:inherit;text-decoration:underline}.attachment-loading,.attachment-error{font-size:13px;font-style:italic;opacity:.75}.attachment-error{color:var(--danger);font-style:normal}.reactions{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}.reactions button{background:var(--bg-sunken);border:1px solid var(--border);color:var(--text);border-radius:12px;padding:2px 8px;font-size:12px}.reactions button.reacted{border-color:var(--accent);background:#4f8cff26}.message-footer{display:flex;align-items:center;justify-content:flex-end;gap:4px;margin-top:3px}.read-receipts{display:flex;align-items:center;justify-content:flex-end;gap:2px;margin-top:2px}.read-receipts .avatar{border:1px solid var(--bg);margin-left:-6px}.read-receipts .avatar:first-child{margin-left:0}.read-receipts-more{font-size:10px;color:inherit;opacity:.7;margin-left:2px}.message-menu-trigger{background:transparent;border:none;color:inherit;opacity:.6;font-size:15px;line-height:1;padding:2px 4px}.message-menu{position:fixed;background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius-md);padding:6px;display:flex;flex-direction:column;gap:2px;box-shadow:0 8px 24px #00000040;color:var(--text);z-index:30}.message-menu-reactions{display:flex;gap:4px;padding:2px 2px 8px;margin-bottom:4px;border-bottom:1px solid var(--border)}.message-menu-reactions button{background:transparent;border:none;font-size:18px;padding:2px 4px;border-radius:6px}.message-menu-reactions button:active{background:var(--bg-sunken)}.message-menu-item{background:transparent;border:none;color:var(--text);text-align:left;padding:8px 10px;border-radius:var(--radius-sm);font-size:14px}.message-menu-item:active{background:var(--bg-sunken)}.typing-indicator{padding:2px 16px;font-size:12px;color:var(--text-muted);min-height:18px}.system-message{text-align:center;font-size:12px;color:var(--text-muted);margin:8px 0}.invite-prompt{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:24px;text-align:center}.invite-prompt h2{margin:4px 0 0;font-size:18px}.invite-prompt-actions{display:flex;gap:10px;margin-top:12px}.invite-prompt-actions button{padding:10px 20px;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--bg-raised);color:var(--text);font-size:14px;font-weight:500}.invite-prompt-actions button.invite-accept-button{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}.composer-wrap{border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom);flex-shrink:0}.composer-banner{display:flex;align-items:center;justify-content:space-between;padding:6px 12px;font-size:13px;color:var(--text-muted);background:var(--bg-raised);border-bottom:1px solid var(--border)}.composer{display:flex;align-items:center;gap:6px;padding:8px 10px}.composer-input{flex:1;padding:10px 14px;border-radius:20px;border:1px solid var(--border);background:var(--bg-raised);color:var(--text);min-width:0;font-size:16px}.send-button{background:var(--accent);color:var(--accent-text);border:none;width:40px;height:40px;min-width:40px;border-radius:50%;font-size:18px;flex-shrink:0}.send-button:disabled{opacity:.4}.login{max-width:340px;margin:0 auto;height:100%;display:flex;flex-direction:column;justify-content:center;gap:14px;padding:24px}.login h1{margin:0 0 8px}.login label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--text-muted)}.login input{padding:12px 14px;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--bg-raised);color:var(--text);font-size:16px}.login button[type=submit]{background:var(--accent);color:var(--accent-text);border:none;padding:14px;border-radius:var(--radius-md);font-weight:600;font-size:16px;margin-top:8px}.login button[type=submit]:disabled{opacity:.6}.error{color:var(--danger);font-size:13px;margin:0}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;padding:16px;z-index:100}.modal{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;width:100%;max-width:380px;display:flex;flex-direction:column;gap:14px}.modal h2{margin:0;font-size:18px}.modal label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--text-muted)}.modal input,.modal textarea{padding:10px 12px;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--bg-raised);color:var(--text);font-size:16px;font-family:inherit;resize:vertical}.segmented{display:flex;background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius-md);padding:3px;gap:3px}.segmented button{flex:1;background:transparent;border:none;color:var(--text-muted);font-size:14px;font-weight:500;padding:8px;border-radius:9px}.segmented button.active{background:var(--accent);color:var(--accent-text)}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}.modal-actions button{padding:10px 16px;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--bg-raised);color:var(--text);font-size:14px}.modal-actions button[type=submit]{background:var(--accent);color:var(--accent-text);border-color:var(--accent);font-weight:600}.modal-actions button[type=submit]:disabled{opacity:.5}.modal-danger-button{background:var(--danger);color:#fff;border-color:var(--danger);font-weight:600}.modal-danger-button:disabled{opacity:.5}.member-list{list-style:none;margin:0;padding:0;max-height:50vh;overflow-y:auto;display:flex;flex-direction:column;gap:4px}.member-row{display:flex;align-items:center;gap:10px;padding:6px 4px}.member-copy{display:flex;flex-direction:column;min-width:0;flex:1}.member-name{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.member-id{font-size:12px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.member-badge{font-size:11px;color:var(--text-muted);background:var(--bg-raised);border:1px solid var(--border);border-radius:999px;padding:2px 8px;flex-shrink:0}.member-actions{display:flex;gap:4px;flex-shrink:0}.user-search-results{list-style:none;margin:0;padding:0;max-height:200px;overflow-y:auto;display:flex;flex-direction:column;gap:2px}.user-search-result{display:flex;align-items:center;gap:10px;width:100%;background:transparent;border:none;color:inherit;text-align:left;padding:6px 4px;border-radius:var(--radius-sm)}.user-search-result:hover,.user-search-result:active{background:var(--bg-raised)}.settings-pane{display:flex;flex-direction:column;height:100%;min-height:0}.settings-content{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:24px}.settings-section{display:flex;flex-direction:column;gap:10px}.settings-section h3{margin:0;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted)}.settings-section>button{align-self:flex-start;background:var(--bg-raised);border:1px solid var(--border);color:var(--text);padding:10px 16px;border-radius:var(--radius-md);font-size:14px;font-weight:500}.profile-settings-row{display:flex;align-items:center;gap:16px}.profile-settings-copy{display:flex;flex-direction:column;gap:6px;min-width:0}.profile-settings-copy button{align-self:flex-start;background:var(--bg-raised);border:1px solid var(--border);color:var(--text);padding:6px 12px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;margin-top:2px}.profile-settings-copy button.inline-text-button{background:transparent;border:none;color:var(--accent);padding:0;font-size:13px;font-weight:500;margin:0}.profile-name-edit{display:flex;flex-direction:column;gap:6px}.profile-name-edit input{padding:6px 10px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-raised);color:var(--text);font-size:14px}.profile-name-edit-actions{display:flex;gap:6px}.profile-name-edit-actions button{margin-top:0}.settings-hint{margin:0;font-size:13px;color:var(--text-muted)}.settings-section>button.danger-button{color:var(--danger)}.loading,.empty-state{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-muted)}