:root{--blue:#2DA7E0;--green:#59C135;--yellow:#FFC83D;--red:#FF4B4B;--bg:#0b1220;--panel:#101a2e;--text:#e6eefb;--muted:#93a4c7;--card:#0f1a33;--border:rgba(255,255,255,.08)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,var(--bg),#070c16);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto}a{color:inherit;text-decoration:none}.container{display:flex;min-height:100vh}.sidebar{width:260px;background:#101a2ee6;border-right:1px solid var(--border);padding:16px;position:sticky;top:0;height:100vh}.brand{display:flex;gap:10px;align-items:center;margin-bottom:16px}.brand-badge{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--green));display:flex;align-items:center;justify-content:center;font-weight:800}.nav a{display:block;padding:10px 12px;border-radius:12px;color:var(--muted);margin:4px 0}.nav a.active{background:#2da7e02e;color:var(--text);border:1px solid rgba(45,167,224,.25)}.main{flex:1;padding:18px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card{background:#0f1a33d1;border:1px solid var(--border);border-radius:18px;padding:16px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.input{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:#0003;color:var(--text)}.btn{padding:10px 12px;border-radius:12px;border:1px solid rgba(45,167,224,.35);background:#2da7e033;color:var(--text);cursor:pointer}.btn.secondary{border-color:#ffffff1f;background:#ffffff0f}.row{display:flex;gap:10px;flex-wrap:wrap}.small{font-size:12px;color:var(--muted)}.btn.danger{border-color:#ff4b4b73;background:#ff4b4b2e}