:root{--bg-app:#f4f2ee;--bg-sidebar:#faf9f6;--bg-main:#fff;--bg-header:#f5f3ef;--bg-field:#fff;--border:#eae7e0;--border-soft:#ece9e2;--border-bubble:#ececea;--accent:#e8662a;--accent-hover:#d65a22;--accent-soft:#fbe6d6;--accent-text:#b65a26;--text:#1c1b19;--text-strong:#221f1b;--text-message:#2a2722;--muted:#9b958a;--muted-2:#a8a298;--count:#bdb7ab;--bubble:#f3f2f0;--bubble-own:#fbe3d3;--active:#efe9df;--active-border:#e6ddcf;--font-sans:"IBM Plex Sans", system-ui, -apple-system, sans-serif;--font-mono:"IBM Plex Mono", ui-monospace, monospace;font-family:var(--font-sans);color:var(--text);background-color:var(--bg-app);-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0}button{cursor:pointer;font-family:inherit}input{font-family:inherit}.app-centered{text-align:center;justify-content:center;align-items:center;min-height:100vh;padding:1.5rem;display:flex}.app-stack{background-color:var(--bg-main);border:1px solid var(--border);text-align:left;border-radius:16px;flex-direction:column;align-items:stretch;gap:.85rem;width:340px;max-width:100%;padding:2rem;display:flex}.app-stack h1{margin:0;font-size:1.4rem}.app-stack label{color:var(--muted);font-size:.8rem;font-weight:600}.app-muted{color:var(--muted)}.app-error{color:#b91c1c}.btn-primary,.app-stack button[type=submit]{background-color:var(--accent);color:#fff;border:1px solid #0000;border-radius:9px;padding:.6rem 1rem;font-size:.95rem;font-weight:600}.btn-primary:hover,.app-stack button[type=submit]:hover{background-color:var(--accent-hover)}.btn-ghost{color:var(--text);border:1px solid var(--border-soft);background:0 0;border-radius:9px;padding:.5rem .9rem;font-size:.85rem;font-weight:500}.btn-ghost:hover{background-color:var(--bg-app)}input[type=text],input:not([type]),.app-stack input,.field{border:1px solid var(--border-soft);background-color:var(--bg-field);color:var(--text);border-radius:9px;padding:.55rem .7rem;font-size:.95rem}input:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}.app{flex-direction:column;height:100vh;display:flex}.appbar{background-color:var(--bg-main);border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;height:58px;padding:0 22px;display:flex}.appbar-brand{align-items:center;gap:12px;display:flex}.appbar-logo{width:auto;height:40px;display:block}.chat-pill{background-color:var(--accent-soft);color:var(--accent-text);border-radius:7px;padding:4px 11px;font-size:.78rem;font-weight:600}.appbar-right{align-items:center;gap:14px;display:flex}.appbar-user{text-align:right;line-height:1.15}.appbar-user-name{color:var(--text);font-size:.78rem;font-weight:600}.appbar-user-email{color:var(--muted);font-size:.7rem}.appbar-icon{background-color:var(--bg-main);border:1px solid var(--border-soft);width:36px;height:36px;color:var(--text);border-radius:9px;justify-content:center;align-items:center;display:inline-flex}.appbar-signout{background-color:var(--bg-main);border:1px solid var(--border-soft);height:34px;color:var(--text);border-radius:9px;align-items:center;gap:6px;padding:0 14px;font-size:.82rem;font-weight:500;display:inline-flex}.appbar-signout:hover{background-color:var(--bg-app)}.app-body{flex:1;min-height:0;display:flex;position:relative}.mobile-bar,.drawer-backdrop{display:none}.avatar{font-family:var(--font-mono);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:600;line-height:1;display:inline-flex}.sidebar{background-color:var(--bg-sidebar);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;gap:10px;width:312px;padding:16px;display:flex;overflow-y:auto}.search-button{background-color:var(--bg-field);border:1px solid var(--border-soft);width:100%;height:40px;color:var(--muted);text-align:left;border-radius:10px;align-items:center;gap:9px;padding:0 12px;font-size:.85rem;display:flex}.hidden-filter{background-color:var(--bg-field);border:1px solid var(--border-soft);font-family:var(--font-mono);color:var(--muted-2);border-radius:8px;align-self:flex-start;align-items:center;gap:7px;padding:5px 10px;font-size:.72rem;font-weight:600;display:inline-flex}.hidden-filter[aria-pressed=true]{background-color:var(--active);color:var(--text);border-color:var(--active-border)}.sidebar-section{justify-content:space-between;align-items:center;margin-top:10px;padding:0 2px;display:flex}.sidebar-section-title{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2);font-size:.66rem;font-weight:600}.sidebar-section-meta{align-items:center;gap:8px;display:flex}.sidebar-section-count{font-family:var(--font-mono);color:var(--count);font-size:.7rem}.sidebar-add{background-color:var(--accent);color:#fff;border:none;border-radius:7px;justify-content:center;align-items:center;width:26px;height:26px;padding:0;font-size:1rem;line-height:1;display:inline-flex}.sidebar-add:hover{background-color:var(--accent-hover)}.list{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.row{align-items:stretch;display:flex;position:relative}.row-select{text-align:left;color:inherit;background:0 0;border:none;border-radius:0;flex:1;align-items:center;gap:11px;min-width:0;padding:9px 12px;display:flex}button.row-select{cursor:pointer}button.row-select:hover,.row--active button.row-select{background-color:var(--active)}.row--active:before{content:"";background-color:var(--accent);width:3px;position:absolute;top:0;bottom:0;left:0}.row--hidden .room-square,.row--hidden .row-main{opacity:.5}.room-square{width:40px;height:40px;font-family:var(--font-mono);color:#00000080;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;font-size:1rem;font-weight:600;display:inline-flex}.row-main{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.row-title{align-items:center;gap:6px;display:flex}.row-name{color:var(--text-strong);white-space:nowrap;text-overflow:ellipsis;font-size:.85rem;font-weight:600;overflow:hidden}.row-members{align-items:center;gap:2px;display:flex}.row-members .avatar{border:2px solid var(--bg-sidebar);margin-right:-6px}.row-member-count{color:var(--muted-2);margin-left:10px;font-size:.7rem}.unread{background-color:var(--accent);color:#fff;min-width:19px;height:19px;font-family:var(--font-mono);border-radius:10px;justify-content:center;align-self:center;align-items:center;margin-left:auto;padding:0 6px;font-size:.7rem;font-weight:700;display:inline-flex}.row-show{border:1px solid var(--border-soft);color:var(--muted);background:0 0;border-radius:7px;align-self:center;margin-left:auto;padding:3px 10px;font-size:.72rem;font-weight:600}.row-show:hover{background-color:var(--bg-app);color:var(--text)}.main{background-color:var(--bg-main);flex-direction:column;flex:1;min-width:0;display:flex}.conversation{flex-direction:column;flex:1;min-height:0;display:flex}.conversation-header{background-color:var(--bg-header);border-bottom:1px solid #dcd4c4;flex-shrink:0;align-items:center;gap:13px;height:64px;padding:0 26px;display:flex}.conversation-square{width:40px;height:40px;font-family:var(--font-mono);color:#00000080;border-radius:11px;flex-shrink:0;justify-content:center;align-items:center;font-size:1rem;font-weight:600;display:inline-flex}.conversation-title{flex:1;min-width:0}.conversation-title h2{margin:0;font-size:1.1rem;font-weight:600}.conversation-subtitle{color:var(--muted);font-size:.78rem}.avatar-cluster{background-color:var(--bg-main);border:1px solid var(--border);border-radius:999px;align-items:center;padding:4px 13px 4px 9px;display:flex}.avatar-cluster .avatar{border:2px solid var(--bg-main);margin-right:-8px}.avatar-cluster-overflow{color:var(--muted);letter-spacing:.05em;margin-left:14px;font-size:.8rem}.header-menu{position:relative}.header-menu-trigger{width:34px;height:34px;color:var(--muted);background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;font-size:1.1rem;display:inline-flex}.header-menu-trigger:hover{background-color:var(--bg-app)}.menu{z-index:20;background-color:var(--bg-main);border:1px solid var(--border);border-radius:12px;flex-direction:column;min-width:220px;padding:6px;display:flex;position:absolute;top:40px;right:0;box-shadow:0 12px 32px #1c1b1924}.menu-item{text-align:left;color:var(--text);background:0 0;border:none;border-radius:8px;align-items:center;gap:9px;padding:9px 11px;font-size:.88rem;display:flex}.menu-item:hover{background-color:var(--bg-app)}.context-menu-backdrop{z-index:50;position:fixed;inset:0}.context-menu{background-color:var(--bg-main);border:1px solid var(--border);border-radius:12px;min-width:210px;padding:6px;position:fixed;box-shadow:0 12px 32px #1c1b1929}.context-menu-title{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2);padding:6px 10px 5px;font-size:.62rem;font-weight:600}.context-menu-item{text-align:left;width:100%;color:var(--text);background:0 0;border:none;border-radius:8px;align-items:center;gap:9px;padding:8px 10px;font-size:.88rem;display:flex}.context-menu-item:hover{background-color:var(--bg-app)}.message-list{flex-direction:column;flex:1;gap:14px;padding:20px 26px;display:flex;overflow-y:auto}.date-divider{font-family:var(--font-mono);color:var(--muted);align-self:stretch;align-items:center;gap:14px;margin:4px 0;font-size:.72rem;display:flex}.date-divider:before,.date-divider:after{content:"";background-color:var(--border);flex:1;height:1px}.message{gap:12px;max-width:720px;display:flex}.message-avatar-slot{flex-shrink:0;width:34px}.message-content{flex-direction:column;gap:4px;min-width:0;display:flex}.message-meta{align-items:baseline;gap:8px;display:flex}.message-author{color:#3a362f;font-size:.8rem;font-weight:600}.message-time{font-family:var(--font-mono);color:var(--muted);font-size:.7rem}.message-bubble{background-color:var(--bubble);border:1px solid var(--border-bubble);color:var(--text-message);border-radius:14px;width:fit-content;padding:10px 14px;font-size:.9rem;line-height:1.4}.message--own{flex-direction:row-reverse;align-self:flex-end}.message--own .message-content{align-items:flex-end}.message--own .message-meta{flex-direction:row-reverse}.message--own .message-bubble{background-color:var(--bubble-own);border-color:#f6d6c1}.message--highlighted .message-bubble{box-shadow:0 0 0 2px var(--accent)}.message--grouped{margin-top:-10px}.composer{align-items:center;gap:10px;padding:14px 26px 18px;display:flex}.composer input{background-color:var(--bg-main);border:1px solid var(--border);border-radius:14px;flex:1;height:48px;padding:0 18px}.composer-send{background-color:var(--accent);color:#fff;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.05rem;display:inline-flex}.composer-send:disabled{cursor:default;background-color:#d9d2c8}.empty-state{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:14px;padding:2rem;display:flex}.empty-state-icon{background-color:var(--accent-soft);width:64px;height:64px;color:var(--accent);border-radius:18px;justify-content:center;align-items:center;font-size:1.6rem;display:inline-flex}.empty-state-text{max-width:360px;color:var(--muted)}.empty-state-actions{gap:10px;display:flex}.people-grid-heading{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2);margin-top:12px;font-size:.66rem;font-weight:600}.people-grid{grid-template-columns:repeat(2,minmax(0,200px));gap:10px;display:grid}.people-grid button{background-color:var(--bg-main);border:1px solid var(--border);color:var(--text);text-align:left;border-radius:12px;align-items:center;gap:10px;padding:10px 14px;font-size:.88rem;display:flex}.people-grid button:hover{border-color:var(--active-border);background-color:var(--bg-app)}.modal-overlay{z-index:40;background-color:#1c1b1952;justify-content:center;align-items:flex-start;padding-top:12vh;display:flex;position:fixed;inset:0}.modal{background-color:var(--bg-main);border:1px solid var(--border);border-radius:16px;flex-direction:column;gap:12px;width:460px;max-width:calc(100vw - 2rem);padding:22px;display:flex;box-shadow:0 24px 60px #1c1b1938}.modal h2{margin:0;font-size:1.05rem}.modal-header{justify-content:space-between;align-items:center;display:flex}.modal-close{color:var(--muted);background:0 0;border:none;padding:0 4px;font-size:1.4rem;line-height:1}.modal-close:hover{color:var(--text)}.invite-room-list{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.invite-room-row{border-radius:10px;align-items:center;gap:11px;padding:8px 6px;display:flex}.invite-room-row:hover{background-color:var(--bg-app)}.invite-room-row .room-square{width:34px;height:34px;font-size:.9rem}.invite-room-name{color:var(--text-strong);flex:1;font-size:.92rem;font-weight:600}.invite-room-count{color:var(--muted-2);font-size:.78rem}.invite-room-member{color:#6c9a6a;font-size:.82rem;font-weight:600}.invite-create{border-top:1px solid var(--border-soft);flex-direction:column;gap:8px;padding-top:12px;display:flex}.invite-create-row{gap:10px;display:flex}.invite-create-row input{flex:1}.modal label{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2);font-size:.68rem;font-weight:600}.modal input{width:100%}.modal-hint{color:var(--muted);font-size:.8rem}.modal-actions{justify-content:flex-end;gap:10px;margin-top:4px;display:flex}.search-modal{gap:0;width:640px;padding:0;overflow:hidden}.search-input-row{border-bottom:1px solid var(--border-soft);align-items:center;gap:12px;padding:15px 20px;display:flex}.search-input-icon{color:var(--muted);display:inline-flex}.search-modal-input{color:var(--text);background:0 0;border:none;outline:none;flex:1;padding:0;font-size:1rem}.search-modal-input:focus{border:none;outline:none}.search-esc{font-family:var(--font-mono);color:var(--muted);border:1px solid var(--border-soft);border-radius:6px;flex-shrink:0;padding:2px 8px;font-size:.68rem}.search-count{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2);padding:14px 22px 4px;font-size:.66rem;font-weight:600}.search-results{flex-direction:column;gap:2px;max-height:440px;margin:0;padding:6px 10px 10px;list-style:none;display:flex;overflow-y:auto}.search-prompt{text-align:center;flex-direction:column;align-items:center;gap:5px;padding:48px 24px 56px;display:flex}.search-prompt-icon{background-color:var(--bg-app);width:56px;height:56px;color:var(--muted-2);border-radius:50%;justify-content:center;align-items:center;margin-bottom:8px;display:inline-flex}.search-prompt-title{color:var(--text);margin:0;font-weight:600}.search-prompt-text{color:var(--muted);margin:0;font-size:.85rem}.people-list{flex-direction:column;gap:4px;max-height:360px;margin:0;padding:0;list-style:none;display:flex;overflow-y:auto}.people-row{border-radius:10px;align-items:center;gap:10px;padding:7px 6px;display:flex}.people-row:hover{background-color:var(--bg-app)}.people-name{flex:1;font-size:.9rem}.people-row button{border:1px solid var(--border-soft);color:var(--accent-text);background:0 0;border-radius:8px;padding:4px 12px;font-size:.8rem;font-weight:600}.people-row button:hover{background-color:var(--accent-soft)}.search-result{text-align:left;background:0 0;border:none;border-radius:12px;gap:12px;width:100%;padding:11px 12px;display:flex}.search-result:hover{background-color:var(--bg-app)}.search-result-main{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.search-result-head{align-items:baseline;gap:8px;display:flex}.search-result-author{color:var(--text-strong);font-size:.88rem;font-weight:600}.search-result-context{color:var(--muted);font-size:.8rem}.search-result-time{font-family:var(--font-mono);color:var(--muted-2);flex-shrink:0;margin-left:auto;font-size:.72rem}.search-result-body{color:var(--text-message);font-size:.88rem;line-height:1.4}.search-highlight{background-color:var(--accent-soft);color:var(--accent-text);border-radius:3px;padding:0 2px}.already-in-room{flex-wrap:wrap;align-items:center;gap:4px;display:flex}@media (width<=767px){.appbar{gap:10px;padding:0 14px}.appbar-right{gap:10px}.appbar-bell,.appbar-user-email,.appbar-signout-label{display:none}.appbar-signout{padding:0 10px}.sidebar{z-index:60;width:86%;max-width:340px;transition:transform .22s;position:fixed;top:58px;bottom:0;left:0;transform:translate(-100%);box-shadow:0 16px 44px #1c1b194d}.app--drawer-open .sidebar{transform:translate(0)}.drawer-backdrop{z-index:55;opacity:0;pointer-events:none;background-color:#1c1b1959;transition:opacity .22s;display:block;position:fixed;inset:58px 0 0}.app--drawer-open .drawer-backdrop{opacity:1;pointer-events:auto}.mobile-bar{background-color:var(--bg-main);border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:10px;padding:9px 14px;display:flex}.mobile-menu-button{background-color:var(--bg-main);border:1px solid var(--border-soft);color:var(--text);border-radius:9px;align-items:center;gap:8px;padding:7px 13px;font-size:.85rem;font-weight:600;display:inline-flex}.conversation-header{gap:11px;padding:0 14px}.avatar-cluster{display:none}.message-list{padding:16px 14px}.message{max-width:100%}.message-bubble{overflow-wrap:anywhere}.composer{padding:12px 14px 16px}.people-grid{grid-template-columns:1fr}.search-modal,.modal{width:100%}}