:root{--sidebar:#111827;--sidebar-2:#1f2937;--sidebar-ink:#cbd5e1;--ink:#1f2933;--muted:#64748b;--line:#e2e8f0;--accent:#2563eb}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font:14px/1.45 Segoe UI,system-ui,Arial,sans-serif;color:var(--ink);background:#f1f5f9}.login-wrap{height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a,#1e293b)}.login-card{background:#fff;border-radius:14px;padding:32px;width:340px;box-shadow:0 20px 60px #00000059;display:flex;flex-direction:column;gap:12px}.brand{font-size:26px;font-weight:800;letter-spacing:.02em}.brand-sub{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.09em;margin-bottom:8px}.login-card label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}.login-card input{font:14px inherit;padding:9px 11px;border:1px solid var(--line);border-radius:8px}.login-card input:focus{outline:none;border-color:var(--accent)}.login-err{color:#b91c1c;font-size:12.5px}.login-hint{font-size:11.5px;color:var(--muted);margin-top:4px}.btn-primary{margin-top:6px;background:var(--accent);color:#fff;border:none;border-radius:8px;padding:10px;font:14px inherit;font-weight:600;cursor:pointer}.btn-primary:disabled{opacity:.6;cursor:default}.shell{display:flex;height:100%}.sidebar{width:240px;background:var(--sidebar);color:var(--sidebar-ink);display:flex;flex-direction:column;transition:width .15s;flex-shrink:0}.sidebar.collapsed{width:60px}.sidebar-head{display:flex;align-items:center;gap:10px;padding:16px 14px;border-bottom:1px solid var(--sidebar-2)}.logo{color:#60a5fa;font-size:18px}.logo-text{font-weight:800;font-size:16px;color:#fff;flex:1}.collapse-btn{margin-left:auto;background:none;border:none;color:var(--sidebar-ink);cursor:pointer;font-size:14px}.modules{padding:8px 0;overflow-y:auto;flex:1}.module-row{width:100%;display:flex;align-items:center;gap:10px;background:none;border:none;color:var(--sidebar-ink);padding:9px 16px;cursor:pointer;font:13px inherit;text-align:left}.module-row:hover:not(:disabled){background:var(--sidebar-2);color:#fff}.module.disabled{opacity:.4}.module-icon{width:18px;text-align:center;flex-shrink:0}.module-label{flex:1;white-space:nowrap;overflow:hidden}.chev{font-size:10px;color:#64748b}.screen-row{width:100%;background:none;border:none;color:var(--sidebar-ink);padding:7px 16px 7px 44px;cursor:pointer;font:12.5px inherit;text-align:left}.screen-row:hover{background:var(--sidebar-2);color:#fff}.screen-row.active{background:var(--accent);color:#fff;font-weight:600}.content{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{height:52px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:#fff;border-bottom:1px solid var(--line)}.crumb{font-weight:600;color:var(--ink)}.user{display:flex;align-items:center;gap:12px}.user-email{font-size:12.5px;color:var(--muted)}.btn-ghost{background:none;border:1px solid var(--line);border-radius:7px;padding:6px 11px;cursor:pointer;font:12.5px inherit;color:var(--ink)}.btn-ghost:hover{background:#f8fafc}.module-panel{flex:1;min-height:0;background:#f1f5f9}.embed{width:100%;height:100%;border:none;background:#fff;display:block}.placeholder{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--muted);text-align:center;padding:24px}.ph-title{font-size:18px;font-weight:700;color:var(--ink)}.ph-hint{max-width:460px;font-size:12.5px}.btn-open{margin-top:8px;background:var(--accent);color:#fff;text-decoration:none;border-radius:8px;padding:10px 16px;font-weight:600;font-size:13px}.btn-open:hover{filter:brightness(1.08)}.loading{height:100%;display:flex;align-items:center;justify-content:center;color:#64748b}