body{background:#f4f7f5}.sidebar{width:230px;min-height:calc(100vh - 56px);background:#173f2a}.sidebar a{display:block;color:#fff;text-decoration:none;padding:11px 12px;border-radius:8px;margin-bottom:5px}.sidebar a:hover{background:#2f6f4e}.kpi{border:0;border-left:5px solid #198754}.login-bg{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#173f2a,#2f6f4e)}.login-card{width:390px}.logo-placeholder{border:2px dashed #198754;padding:18px;margin:auto auto 15px;width:150px;color:#198754;font-weight:700}