:root{--primary: #2D5A2D;--primary-light: #E8F5E8;--accent: #1D9E75;--danger: #EF4444;--warning: #F59E0B;--bg: #f8f9fa;--surface: #ffffff;--text: #1a1a1a;--text-secondary: #6b7280;--border: #e5e7eb;--sidebar-width: 240px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.btn{padding:10px 20px;border-radius:8px;border:none;cursor:pointer;font-weight:600;font-size:14px;transition:opacity .15s}.btn:hover{opacity:.85}.btn-primary{background:var(--primary);color:#fff}.btn-accent{background:var(--accent);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text)}.btn-sm{padding:6px 14px;font-size:13px}.card{background:var(--surface);border-radius:12px;padding:20px;border:1px solid var(--border)}.input{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:8px;font-size:14px;outline:none;background:#fff}.input:focus{border-color:var(--primary)}.label{font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px;display:block}.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700}.badge-green{background:var(--primary-light);color:var(--primary)}.badge-yellow{background:#fef3c7;color:#92400e}.badge-red{background:#fee2e2;color:#991b1b}.badge-blue{background:#dbeafe;color:#1e40af}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:#1a1a2e;padding:20px 0;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:transform .25s ease}.main-content{flex:1;margin-left:var(--sidebar-width);padding:24px;min-height:100vh;overflow-x:hidden}.menu-toggle{display:none;position:fixed;top:12px;left:12px;z-index:200;background:var(--primary);color:#fff;border:none;border-radius:8px;width:40px;height:40px;font-size:20px;cursor:pointer;align-items:center;justify-content:center}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:90}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.flex-col{display:flex;flex-direction:column;gap:12px}.flex-row{display:flex;gap:12px;align-items:center}.flex-wrap{flex-wrap:wrap}.flex-between{display:flex;justify-content:space-between;align-items:center}.chat-layout{display:flex;gap:16px;height:calc(100vh - 120px);min-height:400px}.chat-sidebar{width:280px;min-width:280px;overflow:auto}.chat-main{flex:1;display:flex;flex-direction:column}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#1a1a2e;padding:20px}.auth-card{width:100%;max-width:480px;padding:32px}.page-header{margin-bottom:24px}.page-header h1{font-size:24px;font-weight:800;margin:0}@media (max-width: 1024px){.grid-3{grid-template-columns:repeat(2,1fr)}.chat-sidebar{width:220px;min-width:220px}}@media (max-width: 768px){:root{--sidebar-width: 0px}.menu-toggle{display:flex}.sidebar{transform:translate(-100%);width:260px}.sidebar.open{transform:translate(0)}.sidebar-overlay.open{display:block}.main-content{margin-left:0;padding:60px 16px 16px}.grid-2,.grid-3{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-cards{grid-template-columns:1fr}.chat-layout{flex-direction:column;height:auto}.chat-sidebar{width:100%;min-width:0;max-height:200px}.chat-main{min-height:400px}.auth-card{padding:24px 20px}.page-header h1{font-size:20px}.btn{padding:10px 16px;font-size:13px}.flex-between{flex-wrap:wrap;gap:12px}.hide-mobile{display:none}}@media (max-width: 480px){.grid-4{grid-template-columns:1fr}.auth-card{padding:20px 16px}.card{padding:16px}}