:root{--navy:#102846;--blue:#173c66;--blue2:#244f80;--page:#edf1f6;--line:#d6e0eb;--muted:#66798f;--white:#fff;--shadow:0 16px 40px rgba(16,40,70,.11)}
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden;font-family:Arial,Helvetica,sans-serif;color:var(--navy);background:var(--page)}
button{font:inherit}
.app-shell{min-height:100vh;display:grid;grid-template-columns:292px minmax(0,1fr)}
.sidebar{position:sticky;top:0;height:100vh;padding:26px 18px 20px;background:linear-gradient(180deg,#102b4c 0%,#173c66 72%,#133457 100%);color:#fff;display:flex;flex-direction:column;box-shadow:8px 0 30px rgba(16,40,70,.12);z-index:2}
.brand{display:flex;align-items:center;gap:13px;padding:0 9px 26px;border-bottom:1px solid rgba(255,255,255,.14)}
.brand-mark{width:42px;height:42px;border-radius:12px;background:#fff;color:var(--blue);display:grid;place-items:center;font-size:24px;font-weight:900;box-shadow:0 6px 18px rgba(0,0,0,.16)}
.brand strong,.brand span{display:block}.brand strong{font-size:21px;letter-spacing:.04em}.brand span{margin-top:2px;font-size:12px;color:#cbd8e6;letter-spacing:.04em}
.nav-list{display:grid;gap:8px;margin-top:24px}
.nav-item{width:100%;border:0;border-radius:12px;padding:13px 12px;background:transparent;color:#dbe6f1;text-align:left;display:grid;grid-template-columns:32px 1fr;gap:9px;cursor:pointer;transition:.18s ease}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}.nav-item.active{background:#fff;color:var(--navy);box-shadow:0 9px 24px rgba(0,0,0,.15)}
.nav-number{font-size:11px;font-weight:900;letter-spacing:.08em;margin-top:3px;color:#91abc5}.active .nav-number{color:var(--blue2)}
.nav-item strong,.nav-item small{display:block}.nav-item strong{font-size:15px}.nav-item small{font-size:11px;line-height:1.35;margin-top:3px;color:inherit;opacity:.72}
.external-tools{margin-top:auto;padding:18px 8px 4px;border-top:1px solid rgba(255,255,255,.14)}
.external-tools p{margin:0 0 9px;color:#aebfd1;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.external-tools button{width:100%;margin:6px 0;border:1px solid rgba(255,255,255,.3);border-radius:9px;padding:10px 12px;background:rgba(255,255,255,.08);color:#fff;text-align:left;font-weight:800;cursor:pointer}.external-tools button span{float:right}.external-tools button:hover{background:#fff;color:var(--blue)}
.sidebar-foot{padding:13px 8px 0;color:#aebfd1;font-size:11px}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#50c878;margin-right:7px;box-shadow:0 0 0 3px rgba(80,200,120,.15)}
.workspace{min-width:0;height:100vh;padding:0 24px 24px;overflow:hidden}
.topbar{height:96px;display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:1500px;margin:0 auto}
.eyebrow{margin:0 0 4px;color:var(--muted);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.12em}.topbar h1{margin:0;font-size:27px}
.top-actions{display:flex;gap:10px}.top-actions button{border:1px solid #bfcddd;border-radius:9px;padding:10px 15px;background:#fff;color:var(--navy);font-weight:800;cursor:pointer}.top-actions button.primary{background:var(--blue);border-color:var(--blue);color:#fff}.top-actions button:hover{transform:translateY(-1px);box-shadow:0 5px 14px rgba(16,40,70,.12)}
.panel{height:calc(100vh - 112px);max-width:1500px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);overflow:hidden}
#moduleFrame{display:block;width:100%;height:100%;border:0;background:#e9edf2}
.loading-bar{height:3px;max-width:1500px;margin:-3px auto 0;position:relative;z-index:3;overflow:hidden}.loading-bar.active:after{content:"";display:block;width:35%;height:100%;background:#2f6eaa;animation:load 1s infinite ease-in-out}@keyframes load{from{transform:translateX(-110%)}to{transform:translateX(310%)}}
@media(max-width:900px){html,body{height:auto;min-height:100%;overflow:auto}.app-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto;padding:14px}.brand{padding-bottom:13px}.nav-list{grid-template-columns:repeat(2,1fr);margin-top:13px}.external-tools,.sidebar-foot{display:none}.workspace{height:auto;padding:0 12px 16px;overflow:visible}.topbar{height:auto;min-height:90px}.top-actions{display:none}.panel{height:calc(100vh - 110px);min-height:650px}}
@media(max-width:560px){.nav-list{grid-template-columns:1fr}.nav-item small{display:none}.topbar h1{font-size:23px}}