:root{--bg:#f4f7f9;--panel:#fff;--text:#18242d;--muted:#667681;--line:#dce4e8;--nav:#12323a;--accent:#087f69;--accent2:#0b6d5d;--danger:#b42318;--shadow:0 10px 30px rgba(18,50,58,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}a{color:inherit}button,.button,input,select{font:inherit}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(145deg,#eff6f5,#f7f9fb)}.auth-card{width:min(440px,100%);background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:var(--shadow)}.brand-mark,.logo span{display:grid;place-items:center;background:var(--accent);color:#fff;font-weight:800}.brand-mark{width:48px;height:48px;border-radius:12px;margin-bottom:20px}.auth-card h1{margin:0 0 8px}.auth-card p{color:var(--muted);margin:0 0 24px}.app-shell{min-height:100vh;display:grid;grid-template-columns:250px minmax(0,1fr)}.sidebar{background:var(--nav);color:#d9e7e9;padding:22px 16px;display:flex;flex-direction:column;min-height:100vh}.logo{display:flex;gap:12px;align-items:center;text-decoration:none;padding:0 8px 22px}.logo span{width:38px;height:38px;border-radius:10px}.logo strong{font-size:14px;line-height:1.25}.sidebar nav{display:grid;gap:4px}.sidebar nav a{padding:11px 12px;border-radius:9px;text-decoration:none;color:#c9d9dc}.sidebar nav a:hover,.sidebar nav a.active{background:rgba(255,255,255,.1);color:#fff}.sidebar-user{margin-top:auto;padding:18px 10px 4px;border-top:1px solid rgba(255,255,255,.12);display:grid;gap:4px}.sidebar-user small{color:#9fb5ba}.sidebar-user a{margin-top:8px;color:#fff;font-size:13px}.main{min-width:0}.topbar{padding:24px 30px 15px}.topbar h1{margin:0;font-size:26px}.topbar p{margin:4px 0 0;color:var(--muted);font-size:13px}.content{padding:0 30px 30px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:18px}.stats article,.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:0 3px 16px rgba(18,50,58,.04)}.stats article{padding:20px}.stats span,.stats small{display:block;color:var(--muted)}.stats strong{display:block;font-size:25px;margin:7px 0}.panel{padding:22px;margin-bottom:18px}.panel h2{margin:0 0 8px}.panel>p,.panel-head p{color:var(--muted);margin:4px 0 18px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:15px}.details{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.details div{padding:14px;background:#f8fafb;border-radius:10px}.details dt{font-size:12px;color:var(--muted);text-transform:uppercase}.details dd{margin:5px 0 0;font-weight:700}.empty{text-align:center;padding:40px 18px;color:var(--muted)}.empty h2,.empty h3{color:var(--text);margin:0 0 8px}.empty.tall{padding:110px 20px}.explorer-frame-wrap{height:calc(100vh - 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