:root,[data-theme=light]{--accent: #2a6bd6;--accent-hover: #1e54ad;--accent-text: #2a6bd6;--accent-soft: #e1eaf9;--bg-rail: #f3f2ee;--bg-sidebar: #ffffff;--bg-chat: #e4e7e1;--bg-head: #ffffff;--bg-field: #f1f0ec;--bg-composer: #ffffff;--bg-bubble-in: #ffffff;--bg-bubble-out: #d9e4f8;--bg-primary: #ffffff;--bg-secondary: #f1f0ec;--text-primary: #15171c;--text-secondary: #5f636c;--text-muted: #5f636c;--text-bubble-out: #15171c;--meta-in: #5f636c;--meta-out: #4b5563;--reply-in: #eaf0fb;--reply-out: #bbd0f2;--reply-name: #255ebc;--reply-name-out: #255ebc;--pill: #5c6059;--pill-fg: #ffffff;--placeholder: #d3d7d0;--badge-muted: #6b6f78;--border: #e3e2dc;--danger: #d23b3b;--shadow: rgba(0, 0, 0, .08);--online: #2fa86a;--input-bg: #ffffff}[data-theme=dark]{--accent: #2a6bd6;--accent-hover: #3a7ae3;--accent-text: #7ba3e6;--accent-soft: #182c4d;--bg-rail: #111318;--bg-sidebar: #171a20;--bg-chat: #0e1014;--bg-head: #171a20;--bg-field: #20242c;--bg-composer: #1e222a;--bg-bubble-in: 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16px;text-align:center;font-size:14px;color:var(--text-muted)}.info-file{display:flex;align-items:center;gap:12px;width:100%;padding:8px;border:0;border-radius:12px;background:transparent;color:var(--text-primary);text-align:left}.info-file:hover,.info-link:hover{background:var(--bg-field)}.info-file-icon{flex-shrink:0;width:44px;height:44px;border-radius:12px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center}.info-file-name{font-weight:600;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.info-link{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;font-size:14px;text-decoration:none}.info-link span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.info-section-title{margin:16px 6px 8px;font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.member-list{list-style:none;margin:0;padding:0}.member-item{display:flex;align-items:center;gap:12px;padding:8px 6px;border-radius:12px}.member-item:hover{background:var(--bg-field)}.member-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.member-name{font-weight:600;font-size:14.5px}.member-role{font-size:12.5px;color:var(--text-muted)}.member-actions{display:flex;flex-direction:column;gap:4px}.add-members input{width:100%;height:40px;padding:0 14px;margin-bottom:8px;border:1px solid transparent;border-radius:20px;background:var(--bg-field);color:var(--text-primary);outline:none}@media(max-width:900px){.info-panel{position:fixed;inset:0 0 0 auto;width:min(360px,100%);z-index:800;box-shadow:-8px 0 24px var(--shadow)}}@media(max-width:720px){.rail{display:none}.sidebar{width:100%;border-right:0}.main-panel,.app-shell.has-chat .sidebar{display:none}.app-shell.has-chat .main-panel,.chat-back,.mobile-only{display:flex}.mobile-only .rail-btn{width:40px;height:40px;border-radius:12px}.chat-header{padding-left:4px}.messages-inner{padding:0 10px}.message-bubble{max-width:85%}.input-area{padding:6px 8px 10px}}