:root{--page: #f8fafc;--surface: #ffffff;--surface-alt: #f1f5f9;--border: #e2e8f0;--text: #0f172a;--text-muted: #94a3b8;--text-sub: #64748b;--primary: #2563eb;--admin: #f59e0b;--danger: #dc2626;--online: #10b981;--radius: 10px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,sans-serif;background:var(--page);color:var(--text)}button{font-family:inherit;cursor:pointer}input{font-family:inherit}a{color:inherit;text-decoration:none}.loading-screen{height:100vh}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.btn-primary{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:600}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border);border-radius:8px;padding:9px 14px;font-size:13px;font-weight:500}.input{border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:14px;width:100%;background:#fff;color:var(--text)}.input:focus{outline:none;border-color:var(--primary)}.field-label{font-size:12px;font-weight:600;color:var(--text-sub)}.badge-admin{font-size:10px;font-weight:700;color:var(--admin);background:#f59e0b26;padding:2px 6px;border-radius:5px}.dot{width:8px;height:8px;border-radius:50%;display:inline-block}.dot-online{background:var(--online)}.dot-offline{background:var(--text-muted)}.page-title{font-size:20px;font-weight:700;margin-bottom:20px}.page-fill{height:calc(100vh - 32px);display:flex;flex-direction:column}.empty-hint{font-size:12px;color:var(--text-muted);padding:8px 10px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a66;display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}.auth-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px}.auth-logo{width:52px;height:52px;border-radius:14px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin-bottom:12px}.auth-card{width:100%;max-width:360px;padding:18px}.desktop-shell{display:flex;height:100vh}.desktop-sidebar{width:220px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);padding:16px 12px;display:flex;flex-direction:column;gap:16px}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:0 6px;margin-bottom:4px}.brand-mark{width:30px;height:30px;border-radius:8px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}.sidebar-link{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;font-size:13px;font-weight:500;color:var(--text-sub)}.sidebar-link.active{background:#2563eb14;color:var(--primary)}.sidebar-profile{display:flex;align-items:center;gap:10px;padding:8px;border-radius:8px}.sidebar-profile.active,.sidebar-profile:hover{background:var(--surface-alt)}.desktop-main{flex:1;overflow-y:auto;padding:24px 28px}.mobile-shell{display:flex;flex-direction:column;height:100vh}.mobile-content{flex:1;overflow-y:auto;padding:16px 16px 8px}.mobile-tabbar{display:flex;border-top:1px solid var(--border);background:var(--surface);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}.mobile-tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 2px;color:var(--text-muted)}.mobile-tab.active{color:var(--primary)}.chats-layout{display:flex;gap:16px;height:calc(100vh - 32px)}.chats-sidebar{width:300px;flex-shrink:0;display:flex;flex-direction:column;overflow:hidden}.chats-thread{flex:1;display:flex;flex-direction:column;overflow:hidden}.tab-link{background:none;border:none;font-size:13px;font-weight:600;color:var(--text-muted);padding:0 0 4px;border-bottom:2px solid transparent}.tab-link.active{color:var(--primary);border-color:var(--primary)}.chat-row{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:10px 16px;background:none;border:none;border-bottom:1px solid var(--border)}.chat-row:hover{background:var(--surface-alt)}.thread-header{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center}.thread-body{flex:1;overflow-y:auto;padding:16px 18px;display:flex;flex-direction:column;gap:10px}.thread-placeholder{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:13px}@media (max-width: 767px){.chats-layout{height:100%}.chats-sidebar,.chats-thread{width:100%}}.monitor-layout{display:flex;gap:16px;height:calc(100vh - 32px)}.monitor-col{width:220px;flex-shrink:0;overflow-y:auto;padding:8px}.monitor-thread{flex:1;display:flex;flex-direction:column;overflow:hidden;padding:0}.col-heading{font-size:11px;font-weight:600;color:var(--text-muted);padding:8px 10px;text-transform:uppercase}.list-btn{display:flex;align-items:center;gap:8px;width:100%;text-align:left;padding:9px 10px;border-radius:8px;border:none;background:transparent;font-size:13px;font-weight:500;color:var(--text)}.list-btn.active{background:#2563eb14;color:var(--primary)}@media (max-width: 767px){.monitor-layout{flex-direction:column;height:auto}.monitor-col{width:100%}}.team-row{display:grid;grid-template-columns:1.5fr 1.5fr 110px 100px 130px;gap:12px;padding:12px 16px;font-size:13px;border-bottom:1px solid var(--border);align-items:center}.team-row-head{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;padding:10px 16px}@media (max-width: 767px){.team-row,.team-row-head{grid-template-columns:1fr;gap:4px}.team-row-head{display:none}}.settings-link-row{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;font-size:14px}.settings-link-row:hover{background:var(--surface-alt)}